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I have read about the Programmable Memory Scan, but that seems to only apply in VFO mode. I want to set an upper and lower limit for memory number, rather than frequency.

I've been busy with other projects, but now I'm back at the ham radio. It turns out the Kinter amp is very weak, hardly better than the amp built into the Yaesu. Nothing blew up, but when I crank...

I have a Yaesu 8900 mobile in my car, programmed with about 100 repeaters in the LA area from RepeaterBook. I frequently drive to Joshua Tree, and I would like to program all the repeaters in that...

When I was in school, I never liked "studying for the test". I prefer to learn the subject more comprehensively, then I will be prepared for any question. Do the old ham manuals have incorrect...

Is this for the general exam? I'm thinking about buying the book, as my local library only has it available for in-library reading. How useful are the older editions?

According to my research, impedance matching is unnecessary for line level audio. There's a fairly thorough explanation here: ...

Thank you for your suggestions, Dan. That transformer is rather expensive though. What do you think about a cheaper device like Scosche LOC80?...

Ah yes of course! It's been a long time since I was in math class. Now it makes sense.

From the ARRL General License Manual, 8th Edition, page 4-5:

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I believe the first formula is correct, but the...

I'm disappointed with the weak audio output of my Yaesu FT-8900. The manual says the amplifier puts out 2W. When I connect it to a 5W passive speaker and crank up the volume, the speaker distorts. ...

I have a Baofeng UV-82 with a NA-24J antenna. When I transmit on either band (2m/440), it always times out after six seconds. I have tried various settings for the TOT menu option, ranging from...

One other question - as a Technician, can I take the Extra test, or do I have to do General first?

I'm thinking about what vanity call sign to get, and I'm a little confused about the group requirements. I understand the Advanced and Tech Plus licenses were phased out in 2000. But all the websites...

In that scenario, what do you use the white stick for? Is it a low-gain omni, when it's just easier than messing with a rotator?

I do a lot of commercials, where it's usually an O'Connor 2575.

Paul, I appreciate your concerns. I certainly would not want to use a $30 tripod :-) In fact, I regularly use $18000 tripods for my cameras, because I understand the benefits, and that level of...

This thread has been useful, as I also want to add an inexpensive rooftop antenna. When I step outside with my HT, I can pick up many repeaters, so I don't need a super high gain antenna, just about...

My ham antenna is about 12" away from the stereo antenna. But oddly enough, I haven't had this problem since that first day! I don't know why. If it happens again, I'll try removing the stereo...

Ah, interesting. The PL tones would be a problem if a cheap radio does not have a proper low-pass filter. I can't find any specific documentation on this, but I thought most quality radios have...

Right, I understand that. But my question is, is there any advantage to that? Seems like a full-range speaker would sound just fine if not better.

Any benefit to using a "communications quality" speaker instead of one made for music? I suppose it would have a narrower frequency response.

I'm looking for suggestions on a speaker for my mobile rig. I currently have a Powerwerx MBXSPK, which is 5W and 8 ohms. It sounds okay, but it's bulky. I want something I can flush-mount in the...

I've just installed a Yaesu FT-8900 in a Toyota Yaris. When I transmit on 2m at high power, my JVC head unit goes crazy. By this I mean the LCD rapidly displays lots of weird characters and colors....

Nope. I've been leaving the amp turned on, but I haven't noticed it again. Someone suggested it might have been a harmonic created by two out-of-tune transmitters that just happened to be near each...

How would I connect the frequency counter to the amp?

How would the scanner work? I have no idea what frequency to use, so I would be scanning through, I don't know, 10MHz through 1000MHz? At the...

I don't think I want to open up the amp. Maybe replacing the TRS cable would fix it. But before I fix the problem, I want to see if it happens again, just for my own curiosity.
I could borrow a CB...