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I did not look at the link to my original post but I will say that YES, running the coax inside the lower section will decouple the feedline IF THE BOTTOM SECTION IS CONNECTED TO THE OUTER SHIELD. They used to make a 1/2 vertical that was called a hypodermic style antenna where this exact same...
Just a note about using FM while checking signal strength differences, the AGC in an FM radio works somewhat differently than it does on AM/SSB. There are times when a small change can make a big difference. Example: I have a six element yagi for 6m. While monitoring a baby monitor up the road...
You beat me to it. I was thinking that it needed a battery to basically smooth out the output from the supply. That battery will act like a filter capacitor.
Gain as low as it can be, close talk the microphone, and do not mumble. That is what needs to be done to maintain the best signal/noise ratio of ANY microphone. I could not care less if I can hear the other guys dog barking in the yard or his doorbell ring. In fact, when I hear that shit, I...
Agreed about the ice, except the reference to a beam. I have never had ice prevent my rotator from swinging the antennas. Rotator used was a CD-45 so not a real big one. I doubt my next rotator will have ANY issues either. With ANY luck my antenna system will be COMPLETELY gone over this summer...
I have a theory why the images above are as they are, but I may offend a few people. Then again that has never stopped me before so here goes...........I think it is because of the new generation wanting to get maximum returns for minimal input. Why spend time and effort trying to contact a...
That would be my thought as well. I actually owned a Cardon Iroquois 40 many years ago. It was made by Midland and is identical to a Colt Black Shadow. It was a GREAT radio but with the PLL set up as it was it would not go below channel 1 without a crystal change out.
That reminds me of another project. I still have to put that Larcan amplifier together into a working package. The server power supply for it works great. 50 volts at 60 amps. The amp itself works great and has had some experimental upgrades to the input and output sections to increase the...
I need to take my 64 foot Trylon T-500 down and convert it to a tilt over base. No small feat. The bottom section is 42 inches wide and total weight is just over 1000 pounds without anything on it. Add at least another 200 pounds for the mast and antennas.
Actually Gary, I haven't used that antenna for a number of years now but it had a great pattern. I could listen to a baby monitor on 49.830 MHz up the road at S9+20 on the front and it would drop to S2-3 on the rear corner. It has a really good pattern for rejecting the rejects.I hope to get it...
That looks just like the first cell phone I had......a Motorola bag-phone it was called. It was a company phone and yes, it sure made life on the road easier. I carried a pager for years and being in a rural area we were a bit behind when it came to a roll-out of the cellular network. When I...
And that reason is mostly due to having a built-in camera. We have a "NO CELL PHONES ON THE PLANT FLOOR" policy for employees and a "NO CELL PHONES PERMITTED IN THE PLANT" policy for any visitors due to intellectual property protection at work.
Looks like you have it dialed in perfectly. I used a hairpin match on my 6m yagi as well. I used a halfway coaxial balun along with it and the match was similar to what you show. My configuration is six elements on a 17 foot boom but it an OWA design...... Optimal Wideband Array......so it just...
People all too often grossly underestimate the force of the wind as well as running water. I cannot count the number of times I just cringed when asked, "Is this OK to use to mount my antenna?"
:eek::X3: I usually scrap the factory mounting plate and make my own. If it came with 1/4 inch...
Thanks for the update Jeff. I have no idea what part of the L.A. area Tim is in, but with the way things are at the moment it could be anywhere. The whole area looks bad.
I have always said that unless life is at stake, you better have your ducks in a row and a full bank account. Just because YOU think something is an emergency does not mean authorities will see it the same way.
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