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#11
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Handheld Transcievers
We are considering going into the handheld radio market as a sideline to
RST. We evaluated by both specification AND hands-on and IF we go it will be with Vertex. I've had a personal VXA-700 for about three years now and I wouldn't trade it for anything. That LiON battery is a real workhorse. Jim "Blueskies" wrote in message ... My Vertex Pilot 210 is wonderful, 5x5 every time, rugged and water proof. The batteries last (NiMH) a long time also. Just another data point. |
#12
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Handheld Transcievers
Well, better late than never, right? I finally got around to playing
with this and what I said was wrong, Ron was closer to right (although he may well be correct for the IC-A5, I have an IC-A24). Here's what I found: - The PTT switch on the radio only opens the built-in mic on the radio - The external PTT switch only opens the external (headset) mic. Pretty simple, right? I was initially fooled into thinking my headset mic was live when pressing the radio PTT switch when it was actually the radio mic picking up my voice. This time I was a bit more rigorous about my experiments and also used an external PTT. So, you do pretty much need an external PTT if you're planning to use a headset... why don't they just include it? todd. PS: while my plane was in getting some avionics work done I had them install a connector to let me hook the handheld up to the external antenna... looking forward to doing some comparisons vs. the whip antenna. On Mar 6, 4:02 pm, "tjd" wrote: On Mar 6, 2:10 am, Ron Wanttaja wrote: Hmmmm. I was fiddling with an ICOM IC-A5 a while back. I found that when you used the radio-mounted PTT switch, *both* microphones were live...the one in the headset, and the one on the radio itself. With the external PTT switch, only the headset microphone was live. that's an interesting point, I didn't check that in my test, but opening both mics would make it a lot harder to xmit cleanly. I will give it a try when I get home, plus it looks trivial to make your own external PTT switch so I'll try that too. |
#13
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Handheld Transcievers
tjd wrote:
PS: while my plane was in getting some avionics work done I had them install a connector to let me hook the handheld up to the external antenna... looking forward to doing some comparisons vs. the whip antenna. I think you'll be impressed. In my Cherokee, the external antenna is the difference between being heard from 4 miles away, and being heard 40 miles away. It won't do anything for the nav funtion. It'll still wobble without a horizontally polarized external antenna. When I replaced my old KX-99 handheld navcom, I just bought the IC-A6. Same as the -A24, but without the nav band. John Galban=====N4BQ (PA28-180) -- Message posted via http://www.aviationkb.com |
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