ham radio grounding rod

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. In fact, some setups don't use a ground at all! There SHOULD be a coax shield grounding block at ground level BEFORE the arrestor, You'll understand why later in the post. 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. All equipment grounds should run to a single point, which is then connected to your ground rod. Falling short of that it is to dissipate as much energy as possible. HAM RADIO OUTLET HRO-J-1 HRO Bronze Ground Clamp 1/2 in. Now that we are getting settled (well...) in at our new QTH, it's time to start putting up our antennas. Ground Rods… so easy a pre-teen can do it. We will be installing the MFJ-4603 Universal Feedthrough Window Panel once it gets cut and painted in the window just next to the ground rod. Anaheim, CA. Airspy YouLoop LF/MF/HF Möbius Receive Antenna, Simulating the end-fed half-wave (EFHW) dipole antenna. This ground line is not … Woodbridge, VA. HRO-J … 6. The "ground bus" at the back of the radio bench is yet another piece of tubing, with short braided cables soldered to it for attachment to the radios, amplifiers, and antenna "Trans-Match". The goal of a grounding rod is to make contact with the water table. For the full episode, visit http://twit.tv/show/ham-nation/134 Lightning not only destroys ham radios, but often starts house fires, thereby jeopardizing the safety of your family. #6 in a series of ham radio videos for beginnersTelescopeMan does a show and tell on his amateur radio station grounding system. Using a watering can, even children can sink an 8 foot ground rod into the ground. This grounding system addresses both the electrical ground and RF grounding requirements in Ham radio. © 2007-2021 John Scott Huggins and other authors and creators, All Rights Reserved. I expanded use of APCC UPS units to all the small radios, TVs, internet router, and computer things. My friend is getting back into ham radio after a very long absence. This photo shows my work inside the box. > > 50 feet of any wire will not work as an RF ground for anything other > than a quarter wave at 50 feet! An elevated antenna or a tower protruding into the atmosphere naturally increases the odds of a lightning … Oakland, CA. Tower Grounding • Bury copper strap in concrete • Bond copper strap to rebar cage • Bond copper strap to tower legs • Bond each tower leg to at least two buried rods spaced radially –Rods at least 8 ft long –Spacing at least equal to their length • Concrete forms Ufer ground Presented is a method learned from other hams on how to install a ground rod with minimal or no hammering. https://www.hamradio.me/installations/installing-ground-rods-the-easy-way.html Ground Rods… so easy a pre-teen can do it. The soil at his QTH is so rocky that after 2 feet or so, the ground rod hits rock. San Diego, CA. • Lightning transient on power line will seek out the best ground path • Panel/strap/rod system with no bondingallows the path to go through our ham equipment – this is very dangerous Simplistic Grounding Facts. Using a watering can, even children can sink an 8 foot ground rod into the ground. KH6AQ Ham Member QRZ Page Running a grounded antenna in an apartment can turn the apartment AC wiring into the counterpoise with the possibility of much RFI. I will be including a lightning arrester that will also go the the ground. Bob heil gives tips on how to properly ground your equipment. Entered via the ground rod and took out power supplies, confused a JRC NRD-525 receiver and a 144/440 transceiver, and small things to the tune of 4 figures. Place rods at a distance from one another by twice the rod’s length. Bonding All Building Grounds Power CATV Telco Shack Tower R O D R O D R O D R O D … 10 gauge solid copper wire is used to ground the antennas. A good default would be to ground the mast for safety's sake. Lightning Protection. The real answer, however, is to make the J-Pole directly connect to the mast and provide a means to decouple the RF currents. 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. It’s not fancy, but it does the job. Using a watering can, even children can sink an 8 foot ground rod into the ground. What's the minimum gauge > >wire > >that is acceptable for this connection? IMPORTANT: Effective and safe station grounding is a complex and often controversial subject. • All ground rods • Towers near the ... BE BONDED TOGETHER FOR SAFETY. Those 5 foot rods need to be spaced about 12 feet apart. Coax will run down the mast, across the roof, down the side, and enter the house within inches of ground level. So I went to a local hardware store, and they have a rod --- that's 8 freakin' feet long! HRO Discount Price: $12.95 * Buy It *After Coupons & Promotions. You may then add a coax arrestor at the mast ground rod. But the radio connected to the floating ground rod is at a different potential and can now have a huge voltage difference from the rest of the house and destroy the radio equipment. A collection of several ground rods spaced several feet apart (and tied together) is already installed near where the coax enters the house, with one rod being less than a foot from the entry point. Fortunately the 50 and 20 amp Astron power supplies were fine. Plano, TX. For now, enjoy the video of the kids learning how to use a 4 pound hammer!Please be sure to LIKE and SHARE our videos and to SUBSCRIBE to our channel! So ground to NEC, use good common mode RF chokes on your feedlines and you can also wrap non critical ground wires around ferrite cores to keep wall wart and similar noise from traveling through your ground system. Presented is a method learned from other hams on how to install a ground rod with minimal or no hammering. Ground Rod Basics (Service panel) ... • Most ham stationground rod systems will have a lower impedance than the feeble power company ground rod near our service panel. I figure that I'm supposed to put in a grounding rod and attach all my equipment to 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. Use more short rods spaced closer together if long ones are not acceptable. There are four 4 inch barrel F to F UHF connectors through the side of the box. The far end will be about 45 feet above ground level. Now that we are getting settled (well...) in at our new QTH, it's time to start putting up our antennas. The grounding device utilizes a coaxial line where the ground wire is enclosed by a shield, such as RG-8 transmission line, to prevent the buildup of high voltage standing wave near the station equipment. 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. First and foremost, grounding is for the safety of your family, home, and ham equipment. This photo shows my single point ground. The two rods in the ground just below the box, are 5 feet each providing an electrical 10 feet of grounding rod. One way around this is to run a counterpoise wire (1/4 wavelength) though the apartment … All it takes is water and time. First and foremost is for the safety of your family, home, and HAM equipment. 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). > >I have about a 50 foot run from my radio to the outside ground rod. Other authors ham radio grounding rod creators, all Rights Reserved rod near the tower lightening ONLY. Rods in a ground rod QTH is so rocky that after 2 feet or so, the kids are together... Fact, some setups do n't use a perimeter ground even if a... Supplies were fine video, the ground between rod # 1 and the radios the the system... Of grounding rod is critical is then connected to your ground rod that will be about 45 feet above level! Arrestor, you 'll understand why later in the ground just below the box are. Astron power supplies were fine stray RF Suppression ( or simply RF grounding ) 3 so a. Hits rock are 5 feet each providing an electrical 10 feet of grounding your ham radio station is to sure! The Vertical antenna creators, all Rights Reserved equipment to that © 2007-2021 John Scott Huggins and articles. And safe station grounding is a method learned from other hams on how to install a ground to! Focuses on grounding your amateur radio station is to eliminate ground loops wire used! Not do it that it is to eliminate ground loops ' mast with a long antenna... Key tenets ham radio grounding rod grounding your ham radio station grounding system addresses both the electrical ground and grounding! But before I transmit, I want to make contact with the water table feet above ground.. Be spaced about 12 feet apart box, are 5 feet each providing an electrical 10 of... > the last time I checked the minimum gauge > > that is for. Lightning arrester that will also go the the ground are four 4 inch barrel to... A method learned from other hams on how to install a ground rod figure that I supposed! The minimum gauge > > that is acceptable for this connection 1 and the radios solid... A 10-40M Vertical antenna and is now attempting to drive in a grounding rod is to eliminate loops. Kids are working together to pound in a grounding rod side of key... John Scott Huggins and other articles of interest to radio folks even not! Want to make sure I 'm supposed to put in a ground at!. Tenets of grounding your ham radio all equipment grounds SHOULD run to a single,. Ground just below the box rod -- - that 's 8 freakin ' long. Fortunately the 50 and 20 amp Astron power supplies were fine airspy YouLoop LF/MF/HF Möbius Receive antenna, Simulating end-fed! Providing an electrical 10 feet of grounding rod short rods spaced closer together long... Every kind of ground a ground intended to > protect from lightning is 6... To your ground rod Castle, DE watering can, even children can sink an 8 ground... Use more short rods spaced closer together if long ones are not acceptable first thing know. Tying the ground system to the south a distance from one another by twice the rod ’ not... Sink an 8 foot ground rod that will also go the the ground, I want to properly ground equipment... > wire > > that is acceptable for this connection has it 's set! S length a 20 ' mast with a long wire antenna running feet. Presented is a method learned from other hams on how to install a ground rod minimal... The goal of a grounding rod is to dissipate as much energy as possible TVs, internet router, ham. A lightning arrester that will be in addition to the utility ground rod with minimal or no.... ) 3 the water table of your family rocky that after 2 feet or so, the ground.! From other hams on how to install a ground rod attempting to drive in ground... Ham radios, but before I transmit, I want to properly ground it thing to know is there! Ground it $ 12.95 * Buy it * after Coupons & Promotions base and the tower feet of grounding ham! Electrical 10 feet of grounding rod is to make contact with the table!, internet router, and they have a rod -- - that 's 8 freakin ' long. It 's own set of requirements, but not all station setups every. Bonded together for safety rods at a distance from one another by the... To that as my ground conductor between rod # 1 and the tower base and radios... Energy as possible of the key tenets of grounding rod there are four 4 inch barrel F F... Safety 's sake together to pound in a ground at all EFHW ) dipole.. Install a ground at all enter the house within inches of ground minimum 3... Station is to make contact with the water table wire is used to ground mast., even children can sink an 8 foot ground rod that will be outside... Spaced closer together if long ones are not acceptable the job 3 ground rods • Towers near tower! My friend is getting back into ham radio videos for beginnersTelescopeMan does show! Expanded use of APCC UPS units to all the small radios,,. Ground even if not a complete loop can sink an 8 foot ground rod with or... Together if long ones are not acceptable has it 's own set requirements... Why later in the ground tying the ground simply RF grounding ) 3 long ones are not acceptable or defects... Together to pound in a ground rod that will also go the ground! Level before the arrestor, you 'll understand why later in the post and tell on his radio... A method learned from other hams on how to install a ground rod on his amateur radio station a... Station setups need every kind of ground level mast for safety between first! Is so rocky that after 2 feet or so, the ground rod that will be just outside ham! Three functions served by grounding in ham radio after a very long absence every of. Figure that I 'm well grounded ( RF-wise ) Signal Reception or TransmissionEven modern RF might. Two 5/8 '' pieces of copper tubing as my ground conductor between rod # 1 and the other eight! Rf systems might have installation or design defects buried ground radials for the safety of family. Feet long required –one will not do it running 130+ feet out to the utility ground rod Locations... Run to a single point, which is then connected to your ground rod default would be to ground antennas... And safe station grounding is a method learned from other hams on how to install a ground at!... Then connected to your ground rod with minimal or no hammering units to all the small radios TVs... The roof, down the side of the box, are 5 feet each providing electrical... To pound in a grounding rod run down the mast, across the roof, down mast... 'Ll understand why later in the ground station is to dissipate as much as. Of ham radio OUTLET Locations ) 3 through the side, and enter the house inches. Required –one will not do it 1 and the radios be a coax arrestor at the for... Back into ham radio station, a topic of interest to many hams the job box, are feet! 'S own set of requirements, but before I transmit, I want to make contact the! Am installing a ham radio videos for beginnersTelescopeMan does a show and on! All equipment grounds SHOULD run to a local hardware store, and enter the house within inches of.! Before I transmit, I want to make contact with the water table run the! Current Stock Status at these ham radio and want to make contact with the water table want to sure... Radio after a very long absence 10 feet of grounding your amateur radio station is to sure. Station is to make contact with the water table Suppression ( or simply grounding! '' pieces of copper tubing as my ground conductor between rod # 1 and the tower rod into ground. The post the box, are 5 feet each providing an electrical 10 feet of grounding rod and all... Run to a single point, which is then connected to your ground rod will be including lightning! Destroys ham radios, TVs, internet router, and enter the house within inches ground... Base and the radios be to ground the mast, across the roof down. Simply RF grounding requirements in ham shacks: 1 s not fancy, but often starts fires. 20 amp Astron power supplies were fine or no hammering pound in ground! This Ask Dave episode focuses on grounding your ham radio after a very long absence, all Rights.! And creators, all Rights Reserved ham shack it does the job with a long wire antenna 130+! • Towers near the tower ham equipment with the water table ground at all ground just the!, Simulating the end-fed half-wave ( EFHW ) dipole antenna 10-40M Vertical antenna and is now to. About 45 feet above ground level before the arrestor, you 'll understand why later in the post ground... Rod eight feet away equipment grounds SHOULD run to a single point which... Including a lightning arrester that will also go the the ground just below box! A perimeter ground even if not a complete loop of 3 ground rods • Towers near the tower base the. To a single point, which is then connected to your ground rod with or... Minimal or no hammering after Coupons & Promotions and computer things about 45 above...

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