1
vote
4answers
265 views
Surge protection for a dipole antenna
I am installing a dipole antenna and and plan to attach the coax feedline coming from the antenna to a polyphase lighting arrestor that is mounted to a bulkhead in a watertight box …
1
vote
4answers
72 views
Antenna Grounding Buss
I understand that copper is the best material to use for a grounding bus, but can aluminum or other metal work as a substitute? I am trying to ground my antennas at the exterior o …
1
vote
1answer
387 views
Inverted “V” apex angle?
Inverted “V”
My understanding is that the best or common angle is 90 degrees. The ARRL antenna book says 90 but nothing else. I found a web sight by K7MEM and in this web sight say …
1
vote
1answer
45 views
Antennas in the attic
I have a strict Home Owners association, and have to mount my antennas in the attic. I currently have home made UHF/VHF antenna mounted in there and have no problems. I also have …
1
vote
3answers
380 views
Ferrite Bead Baluns
Has anyone had experience building/using ferrite bead baluns? How do you determine the number and type of beads to use? Any pointers and designs would be appreciated.
Thanks,
Ni …
0
votes
1answer
40 views
radio / antenna troubles?
Hi, I have had a Yeasou mobile and a J pole antenna for years as my base station.
I don't talk on it very much, and haven't done so for a little while. Now I am not able to get …
0
votes
2answers
60 views
how to use,300-pdc5
how do you use, 300-pdc5 swr/power meter and matcher,bough at truck stop no instructions.william
0
votes
1answer
58 views
CAR UNIT TS 850 PROBLEM XE3PPT
Dear Elmer
Im live in Mexico I got a TS 850 Kenwood and my question is do you know someone who sell me one of this unit or do you know somebody to fix
Please help me because her …
2
votes
3answers
105 views
One antenna several hookups question
I want to use one outside antenna but split off several leads so that I have 3 outlets in different locations in the house where I can hook up my portable hf radio. At no time will …
1
vote
1answer
96 views
Building an antenna from scrap wire?
I have access to a lot of scrap wire. Most of it is insulated stranded copper wire, 12 AWG or smaller.
The length of the pieces varies greatly, with the longest pieces being abou …
1
vote
4answers
272 views
Let’s talk coax
I am planning to instal a multiband HF antenna. It most likely will be a traditional or an offset diapole. I have looked at the G5RV and the Windoms. The feed line to my radio will …
1
vote
4answers
217 views
Mag Mount antenna placement
Would it be a bad idea to use the radio I am operating as the base for the 144 MHz/440 MHz antenna I'm transmitting on?
1
vote
2answers
405 views
How do I properly ground a roof mounted antenna?
I am planning to mount an antenna similar in design to the Copper Cactus J-Pole on my roof and am looking for good suggestions on how to properly ground it. I am going to mount it …
2
votes
4answers
180 views
Why do you tune for max noise when manually tuning an antenna?
The other day I was listing to a QSO on a local repeater and heard a conversation about tuning an antenna. One of the people said that you could manually tune an antenna to get it …
1
vote
4answers
215 views
Does ABS plastic interfere with 2m signals?
I recently built a TV twinlead slim-jim antenna. This isn't at all suitable for outdoor use, but I could mount it in a plastic pipe and stick it up on my roof. I've heard that PVC …
