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Showing posts with the label VHF

Getting on VHF/UHF

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I have a Yaesu FT-991A, it's a great radio and it's served me well on HF, since replacing the broken FT-900, however, it's also a VHF/UHF rig too! That was one of the reasons I settled on it over the Icom 7300. Anyways, I finally got around to setting up a VHF/UHF antenna and getting on the air. I ordered Dr. Ed Fong's (WB6IQN) DBJ-1 antenna back in May. Just this past week I finally got the antenna set up and on the air. With my dad's help, we tried to first run the LMR-400 I ordered earlier this month through the wall like how the coax for my HF antenna is setup.  However, up in the attic we ran into some issues drilling through the wood, so we tried a different approach and drilled a hole right in the ceiling. It's not pretty, but it got the job done. The hole drilled in the ceiling We took a break for a few days because it was muggy and humid and I had to work anyways. Then yesterday, after cutting the PVC pipe recommended by Dr. Fong that I picked up at Low...

TSA's Radio Infrastructure

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As I mentioned in one of my earlier posts , I work for TSA, the Transportation Security Administration , the federal agency charged with protecting the nations transportation systems. Today, I'm going to give you a little overview of the agency's two-way radio systems. Sensitive Security Information Before I begin though, I must go over Sensitive Security Information or SSI . SSI is a designation used by TSA which is coded in federal regulation that states that SSI "is information that, if publicly released, would be detrimental to transportation security." SSI is essentially sensitive but unclassified information. As I work for TSA, I am automatically a "covered person" who is required to protect such information. Therefore, I am limited in what I can I use and say on anything that is considered SSI. However, most of the sources I'm using for this blog post are publicly available third-party sources which are not SSI or if it is a TSA source...