"Try listening to K3LR running EU on 80M and think again. Ohio/Penn soil is not salt water and a 4 sq is a 4 sq. So if the extensive ground screen over elevated radials is so useless - what is your e
no experience with the 1/12 matching thing... I just use 75 ohm stuff as-is, no cutting to half wave multiples or any other matching, just slap on a connector and go for it! ALL my hardline from the
wd-40 was developed for protecting the outer skin of the Atlas ICBM from corrosion. it does provide a protective film that remains even in high temperatures. the wd stands for water displacer, 40 is
where I work we are starting on a series of life and strength tests on composite poles meant to replace wood power and telephone poles. They look nice and very strong and come with appropriate pre-dr
I had to replace the front end protection diodes in a cb once. I started hearing this tick-tick-tick sound from the radio, the receiver went dead, then there was a lightning flash a mile or two away.
that happens quite frequently at my station at home and I have had no damage from it... of course all antenna lines now have bandpass filters and stubs and grounding switches so that voltage should n
precipitation static really doesn't require any precipitation or lightning, it is due to corona created by the high electric field under a convective cloud. If the field gets high enough then lightni
Well... the corona itself won't damage the receiver. but... the center conductor of the coax connected to the antenna at the top of the tower will be at the same voltage as the antenna relative to th
when its really bad we listen on the lower antennas of the stacks... unfortunately that can mean manual switching if the high antennas are really stronger to the area we are working. Rain static can
for a comtek box the correct sequence of setup is: 1. setup ONE vertical with 50 ohm feedline(any length), adjust for minimum swr at the frequency of interest 2. duplicate the one vertical to make th
a sweep with a 6-12" radius would be much better than hanging over an edge like that. also think about adding a guy wire to the bundle to support the weight instead of letting it be held by the cable
doesn't it get even uglier than that? at 50% if you stop the worm gear it would stay put, but if it gets bumped and starts moving the friction needed to stop it is more than the friction needed to ke
no continuity on any of the wires... possible causes: broken cable, broken connector, guts of rotor wiped out including pot and motor. antenna freewheeling... possible causes: guts of rotor wiped out
I have been buying connectors and adapters from ShowMeCables.com... they have adapters I have never seen before anywhere. Where is the best place to buy good N female barrels ? Mike KK9V -- Mike Stok
The 7 tube bundle with 6 around a central tube sounds pretty good to me for maybe 60'. I would stagger the joints in the tubes by cutting one at 1', the next at 2', then 3' etc so the joints are at l
"It appears to me that there are no ways to predict where the lightning will strike. Yes, you know that it will be somewhere below a the thunder storm passing by but the strikes seem to ignore high s
a problem with the amp? I have an odd issue with a TH7-DXS. A while back I started to see a higher-than normal SWR, just on 15M, and just when running some smoke. While barefoot the problem never ari
a different antenna, like I think you said a 40m V, might not reflect harmonics as well as the traps on a yagi would. Don't have a second amp, but the amp plays just fine on a different antenna. __73
they are tight for a reason. get a proper tool to align the holes which will open them up just a bit without removing the galvanizing. if lock washers were required they would have been included, do
1. good 2. good 3. if the bolts/nuts are that full of zinc then pre-starting them on the ground is probably not bad, I have never seen them so thickly coated that they couldn't be started on the towe