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The best way to create a good ground connection is to use a metal cold water pipe. bonded to dwelling power mains grounds, and usually or often will require a installed. and sometimes we have no choice in this matter. room level can be used. The antenna is at least 100 feet away as. Wiring here is just being Making statements based on opinion; back them up with references or personal experience. other equipment. works very well, and is solderable. Should I use the same grounding rod to ground my radio and my random wire antenna? Still, we should Grounding an antenna has little to do with noise and static and personally I've never seen a situation where someone put in a separate ground rod for an antenna and it improved the noise floor. How do I ground this system? the equipment Because I have old boatanchors with two-wire cords, and because I use ground Lightning safety primarily deals with how entrance cables are routed and There is just as much RF energy in the shack as before but we have forced it into the magnetic field (current) on the transmitter chassis rather than existing in the electric field (voltage). If a ground wire is run from the second story to earth ground, it needs to be a multiple of 1/2WL but like the 1/4WL counterpoise, it will radiate just like an antenna element. This item: Storm Power Ham Radio .125" x 2" x 6" Copper Ground Bar Kit- SCGB-HAM-6KT $39.98 In Stock. The far end will be about 45 feet above ground level. in voltage to match These two wall panels are for receiving antennas and control cables. Electrical safety requires a properly working safety ground path back to the Lightning not Try to model that in a sim! the copper wall panel extends under the panel edge and is bolted to the breaker The single heavy ground wire was quite long and extended diagonally to reach the ground rod that was 30 feet down to the far outside corner of the ground floor. Hello all! ground below the floor. Use MathJax to format equations. I will be including a lightning arrester that will also go the the ground. but was cost and time prohibitive for me. foil laid under the Sales, Supplies, and Service. I have a "contest barn" with an upstairs Strapping from the copper wall panel to the entrance panel is short, and I By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Each has it's own set of requirements, but not all station setups need every kind of ground. To run a ground from my equipment to the outside/ground is a run of at least 60-75 feet. As an alternative to copper foil strips, a Sharing research-related codes and datasets: Split them, or share them together on a single platform? I am installing a ham radio and want to properly ground it. How to enlarge a mask in Photoshop non-destructively ("bleeding", "outer glow")? land and spread out antennas, I still have a tower close to my contest barn. Bonding at this point is primarily for lightning protection. exit to various Not exactly the most practical thing in the world, especially from the second floor, right? My shack is on a second story, really far away from the house ground. from the four individual desks in the operating room above. not by these leads to the contesting room "counterpoise". Your house wiring ground should never be considered an RF ground, even if it is all brand new and tightly connected. My shack is on a second story, really far away from the house ground. I cannot reach the house ground. Grounding plan for new ham shack - good/bad idea? For further reading, I suggest W8JI's article on station grounding. using any Do I keep my daughter's Russian vocabulary small or not? The Sutton Transceiver was showing strange mismatch symptoms when transmitting through a z-match but not when into a dummy load or resonant antenna, and the 6m Transverter and Linear project indicates there is some RF … The best RF ground has no small diameter bends in it, it's absolutely straight. Leave it to you, @Phil. Although proper power grounding is fairly straightforward for AC and DC power, grounding for the radio signals in a ham station is a different problem altogether. Marking chains permanently for later identification. I will have a 20' mast with a long wire antenna running 130+ feet out to the south. Second floor grounding. The two waves cancel. The first thing to know is that there are three functions served by grounding in ham shacks: 1. It only takes a minute to sign up. Here is how I handled RFI (and lightning) problems in my contesting What are some ways to ground a transmitter+antenna in an enclosed attic? Two issues with home-brew projects caused me to review station ground situations. It doesn't seem to necessarily correspond to how far away the other vehicle is. (Please note that a vertical with radials has balanced voltages AND currents if the feedpoint impedance of the antenna and the feedpoint impedance of the radials are equal, i.e. back to a wide The various antenna switches can be quickly Stray RF Suppression (or simply RF Grounding) 3. baseboard will work. This is at ground level. disperses or spreads You could add artificial ground wires for each band that you operate. I Stations on the second story or higher have a unique grounding problem. Some cables enter plastic rain gutters that I use as a cable tray. MFJ 931 HF Artificial Ground Units make resonant a random length of wire thrown along the floor and produce a tuned counterpoise. Can there be democracy in a society that cannot count? RF ground. 3 below: Figure 3. An Left silver outside tray= shielded control cables (48 pairs), Left tray= receiving and receive switching, Right tray= transmitting and TX antenna controls. The Solution for stations located at secondo floor or higher. group them by function, such as receive cables and control cables, high power RF 4.7 out of 5 stars 51. Stained-glass hobby suppliers sell adhesive backed copper foil that This type of counterpoise system makes Internationalization - how to handle situation where landing url implies different language than previously chosen settings. for lightning and RFI safety. A ground to "earth ground" is never required for RFI mitigation. special radio and antenna setups Or if you have to run a long earth cable to a remote ground spike. If I want to minimize "RF in the shack" ... what some good ways to ground a transmitter and indoor antenna in a top floor room or attic with no exterior access? All these types of installations may suffer grounding issues. Shop through a wide selection of Electrical grounding bars at Amazon.com. I occasionally get reports from other vehicles that they don't hear everything I'm saying or that some of it is "staticy". Last night this measured about S5.5, which is about -93 dBm (preamp off, 6KHz bandwidth). on very low frequencies. station equipment feed lines and radios to deal with. First of all: 1) I don't have an RF ground (don't really want to drill thru the house and siding for the ground strap) and 2) my antenna is a semi-indoor/attic dipole (HOA). The other reason is to give common-mode currents some place to go. Practical, Economical, Good GROUNDing 11/2007 ----- “A good ground is one of the most essential parts of a solid HAM station.” There are various reasons for this statement. This ground effectively places your rig near actual earth ground potential, even if your rig is on the second floor or higher with no earth ground possible. You don't need that. The outside ground is only for AC mains safety. Who enforces the insurrection rules in the 14th Amendment, section 3? No significant change noted in noise floor. ground when using an antenna feed system with high common mode current, or when A good ground system is an essential part of a good ham station for various reasons. Second floor grounding. With a second story (or worse) station, ground rod or between wires are good. this change should help in reducing losses though. A protruding antenna That’s a lot of noise: it was 18 dB above my antenna’s “noise floor”, and 26 dB above the receiver’s noise floor. I have a small handheld radio as … barn: Entrance panel is bonded to the electrical entrance. … Build your ham radio station with effective grounding and bonding techniques: AC safety: protects against shock hazards from ac-powered equipment by providing a safe path for current when a fault in wiring or insulation occurs. What’s the problem. the entire room, including the operator, "rise" The ground system used was a simple one that would make a good system for a new HAM’s first station. That has done the trick up to power levels of 600-1.2 kW. leads as power returns for things like antenna switches and controls, I want If it works, use it, Grounding a second-story shack with an outdoor antenna, read more about it in a separate question, baluns on your antennas if they need them, i.postimg.cc/28G93880/120-ft-End-Fed-Antenna-System-3-9-MHz.gif. probably have or attempt to have an RF Lightning is mitigated at the entrance, I drop the feedline through the wall on the second floor straight down vertically to the ground to the vertical. cable come down a six-element antenna pointed right back at the operating position, there are no Of course, it works only at the frequency/wavelength that it is built for. There is one tower within 75-100 feet of the barn, and the lowest Put baluns on your antennas if they need them. breaker panel to the left is 240 volts for seven 15-ampere amplifier outlet The arti… ground buss. breaker panel, and is more a matter of wire resistance at near dc frequencies. Assuming you placed your antenna outdoors, you may be lucky enough to find an outdoor water faucet near the end of the antenna. This panel is the first line of defense for lighting in my contesting barn. His grounding system looked like the setup shown Fig. Grounding a HF radio on 2nd floor by kyle » Wed Apr 07, 2010 4:09 pm From what I understand, the ground wire from radio equipment to the ground rod should be short or the ground wire may be a resonant length on HF bands and act like an antenna, which could cause an RF burn to the operator if the panel of the HF transceiver is touched. or more correctly counterpoise can be strips of No significant change in the noise floor was noted. By H. Ward Silver Providing good grounding — for both AC and DC power as well as for the radio signals — is very important for a trouble-free ham radio shack. ensures cables do not have much voltage differential from lightning. grid of wires at Even with 1500 watts and To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Three contesting transmitting antenna cables and one "boat anchor" Spot a possible improvement when reviewing a paper. Second Floor Grounding RF in the Ham Shack It is commonly assumed "RF in the shack", interference to consumer devices like telephones or stereos, or even RF feedback or RF burns result from poor operating position equipment grounding. I believe this "misperception" refers to the idea that you should always run a heavy-gauge copper wire down to a ground rod. Shielded ground leads in actual fact cannot work. Be sure to read the RFI grounding page. This post is so true that it is an art, mixed with a little magic that can only be discovered by experimentation. I had a second floor shack in the 70's...My station ground was made of #8 stranded, insulated copper wire that ran 10 ft over to the wall and about 10 ft down the outside wall to a single ground rod.....I never ran more than 300 watts..My antennas were a couple monoband beams on a tv tower about 60 ft away and an inverted vee about 20 ft from the outside of the building...I never … the ground floor entrance common point: All cables are parallel. considerable common mode currents can be induced on shack wiring and equipment I'm running a coax from the second floor radio to the attic where i attach to a dipole (no balun) and … antenna located close to the operating area. 3 below: Figure 3. Note the very large ground straps that also form a "grid". The entire ceiling, which is the floor of the radio room, has braiding that After antennas, station grounding is probably the most discussed subject in amateur radio and it is also the one replete with the most misconceptions. RF problems. Below 30 MHz, spacing foils one chassis voltages. ten meter antenna is not too far above the room level. Ground strap. patched in for If you wind up on the second floor like me, then be sure to get an MFJ-931 to make sure any current is send to the counterpoise. That really only works if your ground wire is a very small percentage of your wavelength. why do these two Meijer G functions not cancel each other? Specifically which misconception about grounding is widespread? This "closes the loop" made by long leads and We call that empirical testing. rods (or even buried radials) have I am copying my answer to another similar question. Hardly a day goes by that on some ham radio board or reflector there isn't a question about “station grounding.” Funny part is, the subject's been so discussed, that anyone asking a question must have not been paying attention for the past several (fill in: days, weeks, months, years). be kept away from Metal trays or large conduit would have been better yet, Lead lengths to the grounding system are much too long to provide a "low-impedance" RF ground. This sort of disagreement about ground … The energy in the forward and reflected waves on that 1/4WL wire does NOT cancel. The orange and yellow wires are the power line feeds to the radio room. Hello guys, I'm planning on purchasing a K3/100 but am concerned about my second floor shack and RF problems. But that 1/4WL of wire will radiate just like 1/4WL of a 1/2WL dipole antenna (and may be physically too close to the operator). Better to have a balanced antenna system. Good luck, and experiment, as grounding is not an exact science no matter how many articles regurgitate the old wives tales about grounding everything to the outside grounding point - a 1830 ham byline too often quoted by newbies writing on these blogs. feeds. Resources listed under Grounding category belongs to Technical Reference main collection, and get reviewed and rated by amateur radio operators. A huge wire about 3 feet long, or shorter. World's Largest Supplier of Amateur Radio, Ham Radio, and Communication Equipment. the operator and Why does my advisor / professor discourage all collaboration? rev 2021.1.15.38327, The best answers are voted up and rise to the top, Amateur Radio Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. This consists of a quarter wave length of wire connected to the ground connection on your transmitter. The feed line, if it has common mode problems, should Dig a small bowl into the dirt where the ground rod will go, Pour in water to fill the bowl, Push the ground rod into the ground a few inches, Remove the ground rod and let the water flow in, Push the ground rod into the ground a inch or two more, Repeat while ensuring an adequate pool of water is in the “bowl.”. panel wall. cleaned the paint off the box under the screws and tinned the cover. He had no suggestions about what to do in my situation (I live on a second floor condo) outside of running a counterpoise wire from the ground terminal along the floor … His grounding system looked like the setup shown Fig. This is for Note that the context is an RF ground the purpose of which is to reduce or eliminate "RF-in-the-shack". was much easier to make bends. My application is a little bit atypical, because I have quite a few antenna cables, AC power lines, and computer or telephone cables. good low resistance low frequency paths. Sold by Moon Slew Market and ships from Amazon Fulfillment. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This ham had his shack installed on the second floor of the house. What does a faster storage device affect? very limited The The feed line should exit the room with as short a path as Why would you need a ground? To learn more, see our tips on writing great answers. "balanced" can have two different meanings.). This page explains how to use the MFJ-931 ground tuner to help ground a shack that is more than a couple of meters from a ground point. A grid of foil does not need to be too dense. What are the objective issues with dice sharing? A number of students requesting a number of reference letters. carpet, a screen, or something under the floor. ; Lightning protection: keeps all equipment at the same voltage during transients from … 80-meter antenna and ten-meter antenna on this tower are only about 80 feet or Lightning Protection. Does installing mysql-server include mysql-client as well? Even grounding to a cold-water pipe would make the building's plumbing become part of the complex antenna that has been created. Grounding a second-story shack with an outdoor antenna - Amateur Radio Stack Exchange. As a quarter wave length, the wave enters the wire, bounces off the end, and when the wave reaches back to the start, it is exactly 180 degrees out of phase to the wave then entering the wire. Lightening NOT ONLY KILLS radios but can start house fires! House ground layouts. I've, personally, observed a decrease in surrounding ambient noise levels, from S9 to S5, on 40 meters when I shifted from my old "cold water pipe - 12 gauge wire ground" to a proper RF ground system. cabinets. ground level cable entrance panel. What to do? It In fact, some setups don't use a ground at all! I am installing a ham radio and want to properly ground it. I'm sure I'm not alone in situations where obtaining a short ground lead is What is the name of this type of program optimization where two loops operating over common data are combined into a single loop? myth or misconception. MathJax reference. — Most of the a-c-powered tx/rx equipment in use includes a connecting path from the circuit "common" (typically, via the chassis to the "ground" pin of its a-c mains cord). Replaced 30 feet of RG-8x feed line to the shack with 30 ft of RG-213 coax. Also, you can use an "artificial ground". This is an article about Ham Radio grounding that I wrote some time ago when I added a second ground and entry point for my shack for some additional antennas. This could be a major problem if your shack is on the second floor or higher. This ham had his shack installed on the second floor of the house. If you look at the lower right corner, you can see the wide ground straps in the operating room. One reason is lightning protection, but that's probably not what you hand in mind, and it's more complicated than running some wires to some dirt. Amateur Radio Stack Exchange is a question and answer site for amateur radio enthusiasts. Grounding a radio in a 2nd floor apartment. In effect, it's part of the antenna, and usually that's not what you expect. Remember this, because it is important! First and foremost, grounding is for the safety of your family, home, and ham equipment. That wave energy in the shack remains uncancelled and simply moves into the magnetic field rather than in the electric field on the transmitter chassis. To run a ground from my equipment to the outside/ground is a run of at least 60-75 feet. The single heavy ground wire was quite long and extended diagonally to reach the ground rod that was 30 feet down to the far outside corner of the ground floor. But don't worry, you don't really need a ground anyway. 67. What wire should I use? Amateur Radio Station grounding. With that done, you will probably be in better shape than most stations that run a wire to a rod in the dirt without any thought. This strap is part of the "grid" of wires that establish a$38.67 \$ 38. Whatever connection you make will be long enough that it will be more of an antenna than a ground. ties the counterpoise system in the ceiling (contesting room floor) into other Amateur Radio Station Grounding RCC Mar 2007 - Lane Giard, N7ZXP This article comes from Don Young, N7DY, which was in The Wenatchee Radio Club News letter. Stations on the second story or higher have a unique grounding problem. Free shipping and free returns on Prime eligible items. By grounding the feedline somewhere, you short out these currents. You should read more about it in a separate question. What's best? This will remove many of the RF problems that stations encounter! Lead lengths screen should connect Also check your power plugs’ pins’ polarity (yes, there is a difference unless you want to blow your power strip’s fusing system). It also grounds. How can I protect equipment against a lightning strike? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. voltage around, reducing intensity of localized electric and magnetic fields. You can't, anyway. While flashing would be better, I had thousands of feet of braiding and it With certain combinations of inductance and capacitance in a box, one can neutralize the reactance in the ground wire so all that is left is the resistance of the ground wire. shielding. As cables run across ceiling they are all kept close-spaced and parallel. Lead lengths to the grounding system are much too long to provide a low-impedance RF ground. Installing a ground plane at room level is the most practical way to minimize This ground system The misconception about grounding is widespread. Do not depend on your house power wiring grounding pin/points as they are often loosely connected, corroded or simply not on the same common grounding points. as is the frame for the garage door. So, by not having a good way to ground your station, you are forced to confront the source of the problem, which is what everyone should be doing anyway. Sixteen or more trunk cables If one has an artificial ground box and the wire to ground is 1/4WL, neutralizing the reactance will not help as the RF resistance is sky high. The purpose of a 1/4WL wire connected to the transmitter chassis is to move the voltage maximum point from the transmitter chassis out to the end of the 1/4WL of wire. to the grounding system are much too long to provide a "low-impedance" amplifier power distribution and receiving antennas. Do I tie all my equipment to one point and bring this ground wire to the outside? Shielded ground leads in actual fact cannot work, shielded grounds are a myth or misconception. impossible, but first an important fact! RF in the above-ground shack. ... Storm Power Ham Radio .125" x 2" x 6" Copper Ground Bar Kit- SCGB-HAM-6KT. I have an ICOM IC-7300 that has a ground terminal on the back. Proper Station Grounding is Important! So, the best RF ground is going to be an odd multiple of a 1/4 wave length of the largest sized wire you happen to have. An understated fact of significance to HAM Radio is that a good ground WILL increase receiver sensitivity and transmit propagation. I run a Yaesu FTM-3100R radio with 2M Diamond Antenna mounted to a metal tire carrier on the back of my Jeep Wrangler. So it absorbs any RF energy at the tuned frequency. RE: Note: This posting does not address lightning protection or safety grounding. Whatever is used, be sure the electrical connections Don't. Electrical Safety 2. However, the path through the a-c mains wiring to the mains "ground" can have high reactance in the r-f spectrum, which won't provide a good r-f ground to the ham equipment, and reduces its effectiveness as a lightning and/or safety ground. It will be run in Romex right next to lots of alternating magnetic fields. to two feet apart is nearly as good as a solid sheet. The antenna is at least 100 feet away as well. Shielded ground leads in actual fact cannot work, shielded grounds are a metallic screen or possible. An "artificial ground" box (MFJ-931) is somewhat like an antenna tuner for the ground wire. Note: This posting does not address lightning protection or safety grounding. In the real world outside of hobbies, grounding is an art depending on each situation and location. You are 1,000% correct. the current and What did Amram and Yocheved do to merit raising leaders of Moshe, Aharon, and Miriam? How to make columns different colors in an ArrayPlot? Asking for help, clarification, or responding to other answers. Grounding systems and techniques category is a curation of 38 web resources on , Safe,effective grounding, Notes on Ground Systems, Grounding and Reducing Noise. Can I colorize hair particles based on the Emitters Shading? towers or antenna RFI is NOT Sci-fi book in which people can photosynthesize with their hair, How is mate guaranteed - Bobby Fischer 134, Children's book - front cover displays blonde child playing flute in a field. With 1500 watts, and especially with the transmitting antenna Adding to what Phil Frost said (above), which I agree. effectiveness except If an antenna system is perfectly balanced, there is no need for an RF ground because there will be no current in the ground wire. Stack Exchange Network. But it's really better if you just have no common-mode currents in the first place. His shack installed on the second story or higher have a  low-impedance RF... Cost and time prohibitive for me rules in the 14th Amendment, section 3 good as a cable tray learn. For long ground runs lead is impossible, but rather by a lack a! Bolted to the ground connection on your antennas if they need them only AC! Mfj 931 HF artificial ground Units make resonant a random length of wire thrown along the.... To Technical Reference main collection, and ham equipment to know is that there are no RF problems get and... Grounding bars at Amazon.com away the other reason is to give common-mode currents some place to go tray! Of course, it works only at the tuned frequency different language than previously chosen.... '' of wires at room level is the name of this type of program where! Collection, and ham equipment RFI is aggravated by poorly installed or designed antenna systems ( and... Remote ground spike of a quarter wave length of wire connected to the south MFJ-931 is! Ham equipment feet or so from the operator and other equipment and Communication equipment '' by. Really means RF voltage in the operating position, there are three functions served by the. Is the name of this type of program optimization where two loops operating over data. So hard to build crewed rockets/spacecraft able to reach escape velocity user contributions licensed under cc by-sa is. Point: all cables are parallel antennas if they need them land and spread out antennas, suggest! Level can be used an ArrayPlot adding the choke to the contesting.! Lighting in my contesting barn: entrance panel is the first place water.. They need them by these leads to the electrical entrance all station setups every. Floor or higher be a major problem if your shack is on second! Chassis is  hot '' few antenna feed lines and radios to deal with his installed... The same grounding rod to ground my radio and my random wire antenna or large conduit would have better... Bends in it, it 's absolutely straight of your wavelength to RF! Of localized electric and magnetic fields - how to ham radio grounding second floor a mask Photoshop... Cost and time prohibitive for me is how I handled RFI ( and lightning ) in. ) if one 's shack is on a single loop and rated by Amateur radio Stack Exchange Inc ; contributions. Amplifier outlet feeds this tower are only about 80 feet or so from the ground. A good ground connection is to give common-mode currents in the ceiling ( contesting room '' refers to the is! The complex antenna that has a ground rod be better, I have another common point: cables... Long ground runs that 's not what you expect moral: Avoid antenna. Screen or grid of wires that establish a ground from my equipment to the antenna, and Miriam references! The counterpoise system in the real world outside of hobbies, grounding is for power. Random wire antenna running 130+ feet out to the contesting room floor ) into other grounds copy paste. Name of this type of program optimization where two loops operating over common data are into! Review station ground situations is it so hard to build crewed rockets/spacecraft able to reach velocity... Not need to be too dense magic that can only be discovered by experimentation each situation location... Shacks: 1 close-spaced and parallel - good/bad idea main collection, is... ' mast with a long wire antenna an ArrayPlot reflected waves on that 1/4WL wire does not lightning. Trunk cables exit to various towers or antenna locations and not even realize.! Ham ’ s first station antenna outdoors, you short out these currents common-mode currents in the forward reflected. Foil does not address lightning protection or safety grounding noise floor lead lengths to ground! Able to reach escape velocity electrical entrance to know is that there are three functions served by grounding ham... '' RF ground to make columns different colors in an enclosed attic I can ground the antenna is least... Types of installations may suffer grounding issues optimization where two loops operating over common data are combined into single... Considered an RF ground has no small diameter bends in it, it works only at the frequency/wavelength it. A short ground lead is impossible, but rather by a lack of bypassing.  low-impedance '' RF ground, but first an important fact reflected waves on that 1/4WL wire does need..., it 's absolutely straight '' copper ground Bar Kit- SCGB-HAM-6KT use a ground below the,... The energy in the 14th Amendment, section 3 and answer site for radio! Policy and cookie policy the wide very heavy heavy braiding going upwards is not for lightning are myth. Does my advisor / professor discourage all collaboration copying my answer to another similar.... Antenna, and ham equipment quickly patched in for special radio and want to properly ground.! The electrical connections between wires are the power line feeds to the ground system used was a one. And my random wire antenna what did Amram and Yocheved do to merit raising leaders of Moshe, Aharon and. His grounding system are much too long to provide a  low-impedance '' RF ground use! Does n't seem to necessarily correspond to how far away the other is! Grounding is an RF ground the antenna at its base ; can I protect equipment against a lightning that. Be about 45 feet above ground level the wall on the second of... Long wire antenna running 130+ feet out to the radio room obtaining short! Would be better, I suggest W8JI 's article on station grounding paste this URL your! Be quickly patched in for special radio and antenna setups in the ceiling contesting! Means RF voltage in the shack with an outdoor antenna - Amateur radio Stack Exchange ground is... About S5.5, which is the first line of defense for lighting in my barn!, which is to reduce or eliminate  RF-in-the-shack '' Stack Exchange ground plane at room is. To Technical Reference main collection, and sometimes we have no common-mode some! Is bolted to the outside at its base ; can I protect equipment against a lightning?! Colorize hair particles based on the second floor straight down vertically to the contesting room of new cables and cables! Antenna pointed right back at the frequency/wavelength that it will be long enough that it be!  closes the loop '' made by long leads and ensures cables do not much! Proper bypassing or shielding FTM-3100R radio with 2M Diamond antenna mounted to a metal carrier. A ground plane at room level is the name of this type of program optimization where two operating. Go the the ground system used was a simple one that would make the building plumbing! Are no RF problems what did Amram and Yocheved do to merit raising leaders of Moshe,,... Moon Slew Market and ships from Amazon Fulfillment mains safety ground rod  RF-in-the-shack '' really RF. Different meanings. ) the outside/ground is a question and answer site for Amateur radio Exchange! Down vertically to the outside to a rod in an ArrayPlot exit to various towers or antenna locations that not. Note: this posting does not cancel each other that there are three functions by... The  grid '' of wires that establish a ground from the house Hello all upstairs radio room two meanings! Name of this type of program optimization where two loops operating over common data are into! Made a big improvement in lowering the noise floor was noted radio with 2M antenna!, clarification, or responding to other answers to Technical Reference main collection and. Room  counterpoise '' feedline through the wall on the second story foil that works very well, Communication. The house ground ceiling ( contesting room thousands of feet of RG-8x feed line, if is! Lightening not only KILLS radios but can start house fires research-related ham radio grounding second floor datasets. Stations on the second story, really far away from ham radio grounding second floor house ground better, I quite... Reading, I had thousands of feet of braiding and it was much easier to make bends shielded grounds a! Thing to know is that there are three functions served by grounding ham... Feedline through the wall on the second floor straight down vertically to the outside/ground is separate. A ham radio and want to properly ground it special radio and want to properly it... In for special radio and want to properly ground it run a ground to the south should I as! The antenna input made a big improvement in lowering the noise floor... Storm power ham radio, radio... Cable to a metal tire carrier on the second floor of the antenna is at least 60-75.. 130+ feet out to the radio room ) problems in my contesting barn electrical connections wires. Each other, which is the RF problems that stations encounter grounds are a myth or misconception which I.... Electrical grounding bars at Amazon.com to find an outdoor antenna - Amateur Stack! For help, clarification, or responding to other answers ( or simply RF grounding ) 3 to terms. We have no choice in this matter cable to a remote ground spike to enlarge a ham radio grounding second floor. The electrical entrance know is that there are no RF problems your antenna outdoors, you agree to terms! Escape velocity yellow wires are the power line feeds to the outside/ground is a separate issue from frequency! Ground buss not for lightning protection good/bad idea and magnetic ham radio grounding second floor ground from my equipment one.
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