Depends. What structure holds the thrust bearing? What structure holds the rotor? What is the weight of the antenna array and mast? What is the weight bearing capacity of the rotor? Which tower? If y
If you can get a small truck there your local tow truck guy is a much less expensive choice 73 -de "Curly" John NI0K QRZ.com<https://www.qrz.com/db/ni0k> Hamshack Hotline<https://hamshackhotline.com/
Put tension on it as below, then tap. Keep the tension on and if the tapping (lightly!) doesn't work, then put the oil/solvent on. Make the pull as straight as possible. 73 -de John NI0K 73 charlie,
Best to *CALL* JK. They will email a manual. There may be different versions of the antenna, depending on the build date; see if you can have that when you call. 73 -de "Curly" John NI0K QRZ.com<http
I bought a kit of color coding tapes from the big-box store. The color fades after a few years outdoors. 73 -de "Curly" John NI0K QRZ.com<https://www.qrz.com/db/ni0k> Hamshack Hotline<https://hamshac
Would it fly to use two UL-listed coaxial lightning protectors? I doubt you'll find what you are looking for. Have a situation where a UL listed protector is required on a ladder line feeder. Im stri
I worked a former broadcast engineer that lived in Wisconsin. He built a Christman fed antenna and claimed it was the bomb! He said using phasing lines wasn't any good. Just like anything in ham radi
One ham manufacturer uses the term "100% ICAS duty". I call BS. 73 -de "Curly" John NI0K QRZ.com<https://www.qrz.com/db/ni0k> Hams Over IP<https://hamsoverip.com/> call me: 101468 On 10/2/2025 2:38 P
Why buy new wire for radials? Scrap copper wire is everywhere! Take apart anything electronic and you'll find lots of wire free for the labor of taking it. OK, yeah, if you want 10,000 feet of wire i
I'm searching for these and not finding any at the usual sourcesMcMaster, MSCDirect, etc. The specs are: 5/16"-18 x 3-1/4" x 4" stainless. Any suggestions??? -de John NI0K ___________________________
Please note that *any* lightning protection device is totally worthless unless the grounding system to which it (they) are connected is adequate. Just saying, "I've got 4 8' ground rods and I'm bonde
I have a 25AG top section with a Tailtwister mounted on a AS25G. The mast is 1-1/2" galvanized pipe. Can the rotor be removed sideways by raising the mast an inch or so and removing the rotor mountin
This thread is fascinating! Jim, thanks for making me look up <PHaRLAP>. Amazing stuff, and no, it isn't the race horse. I wish I could have done fun stuff like you. If you're spending millions of do
I too feel into the 'higher is better' trap. I had a TH11 at 50' (remember I don't have a big antenna farm) and thought that if I went to 80' (highest I could go with my site) life would be much bett