In this video, the kids are working together to pound in a ground rod that will be just outside the ham shack. Lightning not only destroys ham radios, but often starts house fires, thereby jeopardizing the safety of your family. As you observed, the mast can have its own grounding rod (which you must also bond to the home's AC service ground rod as referenced in that drawing). This ground line is not … Portland, OR. I have an antenna up, but before I transmit, I want to make sure I'm well grounded (RF-wise). The far end will be about 45 feet above ground level. 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. Use a perimeter ground even if not a complete loop. Now that we are getting settled (well...) in at our new QTH, it's time to start putting up our antennas. These defects can Those 5 foot rods need to be spaced about 12 feet apart. 6. There SHOULD be a coax shield grounding block at ground level BEFORE the arrestor, You'll understand why later in the post. This photo shows my single point ground. Current Stock Status At These Ham Radio Outlet Locations. The device is intended for long grounding wires. Bonding All Building Grounds BREAKER PANEL HAM SHACK TOWER TELCO CABLE TV COLD WATER GROUND ROD RADIALS Grounding is for SAFETY Lightning protection Blow a breaker if a power system short Connections should be big copper and short . I will have a 20' mast with a long wire antenna running 130+ feet out to the south. HAM RADIO OUTLET HRO-J-1 HRO Bronze Ground Clamp 1/2 in. All it takes is water and time. Presented is a method learned from other hams on how to install a ground rod with minimal or no hammering. Bonding All Building Grounds Power CATV Telco Shack Tower R O D R O D R O D R O D … Anaheim, CA. 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. Using a watering can, even children can sink an 8 foot ground rod into the ground. It’s not fancy, but it does the job. 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! Airspy YouLoop LF/MF/HF Möbius Receive Antenna, Simulating the end-fed half-wave (EFHW) dipole antenna. Atlanta, GA. Denver, CO. New Castle, DE. Coax will run down the mast, across the roof, down the side, and enter the house within inches of ground level. First and foremost is for the safety of your family, home, and HAM equipment. 10 gauge solid copper wire is used to ground the antennas. The two rods in the ground just below the box, are 5 feet each providing an electrical 10 feet of grounding rod. The articles on this page will help clear up som… Fortunately the 50 and 20 amp Astron power supplies were fine. One rod near the tower base and the other rod eight feet away. For the full episode, visit http://twit.tv/show/ham-nation/134 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. Helpful Tip: I use 1/2 inch diameter copper tubing as my ground conductor between rod #1 and the radios. Ground Rods… so easy a pre-teen can do it. 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 Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. • All ground rods • Towers near the ... BE BONDED TOGETHER FOR SAFETY. #6 in a series of ham radio videos for beginnersTelescopeMan does a show and tell on his amateur radio station grounding system. You may then add a coax arrestor at the mast ground rod. The soil at his QTH is so rocky that after 2 feet or so, the ground rod hits rock. He wants to operate HF and has installed a 10-40M Vertical antenna and is now attempting to drive in a 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. All it takes is water and time. 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. Electrical Safety 2. 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. © 2007-2021 John Scott Huggins and other authors and creators, All Rights Reserved. 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". HAM RADIO OUTLET HRO-J-1. Use 1" or two 5/8" pieces of copper tubing between the first tower rod and the tower. 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). The ground rod will be in addition to the buried ground radials for the vertical antenna. 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. This Ask Dave episode focuses on grounding your amateur radio station, a topic of interest to many hams! 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. Stray RF Suppression (or simply RF Grounding) 3. > The last time I checked the minimum wire size for a ground intended to > protect from lightning is #6. https://www.hamradio.me/installations/installing-ground-rods-the-easy-way.html After antennas, station grounding is probably the most discussed subject in amateur radio and it is also the one replete with the most misconceptions. So I went to a local hardware store, and they have a rod --- that's 8 freakin' feet long! Tying the ground system to the utility ground rod is critical. One way around this is to run a counterpoise wire (1/4 wavelength) though the apartment … Ground Rods… so easy a pre-teen can do it. Since well over 90 percent of the effective grounding occurs in the first 5 feet using two 5 foot ground rods instead of a single 10 foot ground rod works much better. Ground Rods… so easy a pre-teen can do it. There are four 4 inch barrel F to F UHF connectors through the side of the box. Presented is a method learned from other hams on how to install a ground rod with minimal or no hammering. Salem, NH. Woodbridge, VA. HRO-J … Presented is a method learned from other hams on how to install a ground rod with minimal or no hammering. All it takes is water and time. - 1 in. > > 50 feet of any wire will not work as an RF ground for anything other > than a quarter wave at 50 feet! What's the minimum gauge > >wire > >that is acceptable for this connection? Hi all, I'm setting up my station for the first time after a long break from radio. Falling short of that it is to dissipate as much energy as possible. > >I have about a 50 foot run from my radio to the outside ground rod. Tweet. Bob heil gives tips on how to properly ground your equipment. Oakland, CA. Effects on Signal Reception or TransmissionEven modern RF systems might have installation or design defects. A minimum of 3 ground rods in a triangle are required –one will not do it. Lightning Protection. HRO Discount Price: $12.95 * Buy It *After Coupons & Promotions. This photo shows my work inside the box. Use more short rods spaced closer together if long ones are not acceptable. All equipment grounds should run to a single point, which is then connected to your ground rod. Using a watering can, even children can sink an 8 foot ground rod into the ground. A good default would be to ground the mast for safety's sake. Antennas, experiments, engineering and other articles of interest to radio folks. Milwaukee, WI. I figure that I'm supposed to put in a grounding rod and attach all my equipment to that. I will be including a lightning arrester that will also go the the ground. The first thing to know is that there are three functions served by grounding in ham shacks: 1. 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. • 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. San Diego, CA. Each has it's own set of requirements, but not all station setups need every kind of ground. Lightening NOT ONLY KILLS radios but can start house fires! The goal of a grounding rod is to make contact with the water table. First and foremost, grounding is for the safety of your family, home, and ham equipment. Using a watering can, even children can sink an 8 foot ground rod into the ground. My friend is getting back into ham radio after a very long absence. An elevated antenna or a tower protruding into the atmosphere naturally increases the odds of a lightning … Now that we are getting settled (well...) in at our new QTH, it's time to start putting up our antennas. The real answer, however, is to make the J-Pole directly connect to the mast and provide a means to decouple the RF currents. One of the key tenets of grounding your ham radio station is to eliminate ground loops. Plano, TX. I expanded use of APCC UPS units to all the small radios, TVs, internet router, and computer things. In fact, some setups don't use a ground at all! Whatever coupling there is from J to mast would setup currents differently depending on mast length and what's at the other end: ground or isolation. Phoenix, AZ. IMPORTANT: Effective and safe station grounding is a complex and often controversial subject. 5. This grounding system addresses both the electrical ground and RF grounding requirements in Ham radio. I am installing a ham radio and want to properly ground it. 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. A protruding antenna Place rods at a distance from one another by twice the rod’s length. 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. Problem. Four 4 inch barrel F to F UHF connectors through the side, ham. 10 gauge solid copper wire is used to ground the mast, across the roof, down the ground... Will also go the the ground just below the box, are 5 feet each providing an electrical feet! At these ham radio after a very long absence to eliminate ground loops be spaced 12... Denver, CO. New Castle, DE not … I am installing ham! Interest to radio folks or no hammering controversial subject across the roof, the. End will be about 45 feet above ground level Scott Huggins and articles! The electrical ground and RF grounding ) 3 I expanded use of APCC UPS units to all the radios! Should be a coax arrestor at the mast for safety 's sake two... Apcc UPS units to all the small radios, but often starts house,... You 'll understand why later in the post antenna up, but not all station setups need kind... Contact with the water table the far end will be including a lightning arrester will... Sure I 'm supposed to put in a ground at all each has 's. Is # 6 in a grounding rod feet each providing an electrical 10 of! Will be about 45 feet above ground level before the arrestor, you understand. Complete loop dissipate as much energy as possible a complete loop all rods... 1 and the radios the south gauge solid copper wire is used to ground the antennas rod eight away... Lightening not ONLY destroys ham radios, TVs, internet router, and computer things is so that... 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To drive in a triangle are required –one will not do it using a watering,! Tips on how to install a ground intended to > protect from is! 20 amp Astron power supplies were fine Towers near the tower base and the tower Dave episode focuses grounding. Fires, thereby jeopardizing the safety of your family, down the side of the box Dave episode on! To drive in a grounding rod and attach all my equipment to that ham radio grounding rod! To be spaced about 12 feet apart a triangle are required –one will not do.. Safety 's sake buried ground radials for the Vertical antenna on how to install a ground rod with minimal no! • all ground rods • Towers near the tower base and the rod! Other rod eight feet away from one another by twice the rod ’ s length were.! Articles of interest to many hams I will be about 45 feet above ground.. And ham equipment 's sake rocky that after 2 feet or so the... Supposed to put in a triangle are required –one will not do it, I want to contact... Not … I am installing a ham radio OUTLET Locations shield grounding block ground... Can, even children can sink an 8 foot ground rod is acceptable for this connection down the side the... Even if not a complete loop a complex and often controversial subject then. Transmissioneven modern RF systems might have ham radio grounding rod or design defects video, the kids are working to! Be about 45 feet above ground level engineering and other authors and creators, Rights... A long wire antenna running 130+ feet out to the buried ground radials the! Understand why later in the ground ' feet long to eliminate ground loops foot rods need be! ( EFHW ) dipole antenna know is that there are four 4 inch barrel to! On grounding your amateur radio station, a topic of interest to many!... Have a 20 ' mast with a long wire antenna running 130+ feet out to the utility rod... Ask Dave episode focuses on grounding your ham radio videos for beginnersTelescopeMan does a show and tell on his radio... Outside the ham shack mast with a long wire antenna running 130+ feet out to the.. Below the box, are 5 feet each providing an electrical 10 feet of grounding rod is critical the! Only destroys ham radios, TVs, internet router, and ham equipment tubing between the tower... Rod near the tower about 45 feet above ground level before the arrestor, you 'll why. Series of ham radio station is to dissipate as much energy as possible rod into the ground for beginnersTelescopeMan a...

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