I buy my copper ground rods from the local electrical wholesale house at the city sales counter. About half the price of the ones at Lowes(no Home Depot here) and better made. 73 Don K5AQ
The MFJ unit is the 731 and it can be tuned to null the BC station. I have a 10KW AM station less than a mile from me so measurements are real fun, particularly on 160. The unit can be used with any
I agree that a lot of radials are desirable. I now have 32 each longer than a quarter wavelength, BUT at my previous location on a tiny city lot I had two(2) laid alongside my sprinkler lines snaking
Dale, I have used this scheme for years with my Tailtwister. I use two 40mf 250 in parallel with another pair back to back. Each pair has a 1N4005 across it to short them on the reverse half of the c
Pete, Try Max-Gain Systems at www.mgs4u.com/. 73 Don K5AQ ________________________________________________________________________ Where do you get ICE bandpass filters & beverage matching boxes? The
Dick, You might consider making each antenna reversible using 2-wire construction a la W8JI. I have four of these in operation and two more under construction. They show excellent performance. I reco
Con, I don't have a new one, but the 17th edition of the ARRL Antenna Book has a discussion of the terminated sloping V on page 13-9. Suggest you look at whatever edition you have. 73 Don K5AQ List S
Jack, Why not consider a delta-loop design since you already have a triangle? 73 Don K5AQ List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline an
The files open well for me. 73 Don K5AQ List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline and more. Also check out our self supporting towers
I'll second Tom's comment on RX vs TX on loose solder joints in PL259. Just cured an intermittent RX problem on my WARC beam that had plagued me for several weeks. After checking all over the shack f
Rich, I have used an LM354 crankup for some 15 years with loading wires for 80, 75 and 160 on the three corners. It worked fine in north Texas with two(yes 2) radials and even better here in southeas
Steve, I've had an A3WS for about eight years and never had any problems with the traps. They take 1000 watts on 12/17 and 100-150 on 30 and never flinch. I think you may have something other than a
Tom, Use a length of PVC pipe long enough to reach across the driveway. Put a hose fitting on one end(available with the PVC at the home improvement store). Put a cap on the other end of the PVC in w
Mike, Antenna loads(using 3/16"HS guywire{ a) without guys above hinge 20PSF Std 8 sqft SBH 8 SAH 6 SASH 6 Weight(lbs) Std and SBH 160 SAH and SABH 115 b) with guys at apex std and SBH 20 sqft 160 lb
Nat, Am copying the whole reflector since maybe others are interested. I took an R5 to Estonia in 1997 where I operated for two weeks as ES5AQ. The antenna, mounted on a two-story dormitory on a hill