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Hello, I plan I making this 'calculating SWR meter' http://www.qrp4u.de/docs/en/swr_meter/ I will be using it with my mobile export radio (Optima Mk3) that does not have a built in SWR meter. I was considering a MFJ 925 auto tuner because it has an audio high SWR warning. I have since decided...

Hello again, Another question since you guys are so helpful. I'm thinking about installing a MFJ 925 auto tuner in my mobile rig. It's just that money is so limited that I want to be sure it is a good idea. Here some pictures of the current antenna setup I have. This is the Procomm antenna for...

I'm almost finished installing a CTCSS encoder module in my Optima Mk3. I'm hoping it will let me connect to the 10m band of the N6Lxx repeater system here in my area. The CTCSS module can be setup for a simple CTCSS tone or CTCSS with reverse burst. I have googled the N6LIZ repeater and have...

Hope this isn't a question that has not been asked before (yes I tried a search). I'm close to getting my first mobile dual band transceiver. Pretty much narrowed it down to a ICOM IC-2730A but am considering the Yaesa FT-8900 for 6 meters. The radio will be in a lifted 4x4 truck so tree strikes...

I found this beacon which must be close to me because I hear it clearly all the time. I believe it is this one: 28.244 WA6APQ C LONG BEACH, CALIFORNIA # 30W, VERTICAL Here is a recording: https://youtu.be/mxsKe7ZWQ4Y I just do not understand morse code so I can't tell. I tried a PC based...

I have an Optima in my 4x4 and thought this wireless mic would be cool at the campsite. I would need to make an adapter but being kind of new at this I'm not sure about a few things. Here is what I've figured out so far: Optima mic pinout Pin 1 - Mic Input Pin 2 - +8VDC Pin 3 - Freq Up/Dn...