antenna adjusting

I just got a RTL-SDR V3 dongle and I would like the use it to monitor the Alabama AIRS system which is p25 phase 2. I set it up in SDR trunk with the playlists and after it runs, i cannot hear anything. The waterfall is horrible and it constantly shows idle. Very frustrating. I do not know where...

Good morning! I had an eventful weekend wrestling with my new HF rig, along with a a new LDG Z-11 Pro II ATU and setting up an inverted V antenna. I'm here seeking advice from pros who might lend their expertise to my current dilemma. Equipment: IC-7000 LDG Z-11 Pro II ATU RigExpert AA-650...

I've never had problems before tuning my antenna's. However, I'm in a 2018 Freightliner sleeper now and having SWR issues. I bought a Wilson 2000 with a short post. I mounted it on the mirror with the recommended mirror bracket. Had HIGH SWR's and kept cutting the whip. Soon found out I had...

I am still trying to set up my CB antenna so it is at least 90 - 95% efficient for my 20' vertical 5/8 wave antenna and mobile/base radio. The antenna is mounted on the roof of our house; I think I fully understand the proper way of grounding the antenna; however, there are about two dozen...

I have purchased a Browning BR-6333 antenna for listing purpose and wonder how I should tune it. I want to listen to an agency who uses 155 to 159 MHZ, I have the adjusting chart but not sure what frequency or how I use set it up to scanner several frequencies. Any suggestions.