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Author Topic: Nothing but static with Yaesu FT-1900R  (Read 1103 times)
KD8MNH
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Posts: 1




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« on: August 02, 2012, 04:21:05 AM »

Hello about a month ago I bought a Yaesu FT-1900R along with a power supply and antenna for it, all but the power supply were bought used, and the antenna is SLIGHTLY  bent near the tip.....everything SEEMS to be working fine with only one problem. I cannot get anything but static most of the time and on the rare occasion I hear some ham's talking over it, there's still to much static to clearly make out what they're saying. I can't really think of what the problem could be...unless it's either the antenna, or the fact that I have a wireless router in the same room though I don't think that would be it due to the different frequencies...so suggestions?
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AC5UP
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Posts: 3845




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« Reply #1 on: August 02, 2012, 04:34:53 AM »

What kind of an antenna? Mounted indoors, outdoors, mag mount vertical whip sitting on top of a wooden book case?

If you think the router might be the noise source, have you tried unplugging the router to confirm? Is the noise consistent on all repeaters, or only a few? Do you hear any repeaters full quieting? If not, try a test antenna comprised of a 19" piece of wire connected directly to the center pin of the SO-239.

DO NOT TRY TO TRANSMIT WITH THE TEST ANTENNA!

If a 19" piece of wire receives better than the other antenna, that's your problem..........................
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Never change a password on a Friday                
KJ4FUU
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Posts: 162




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« Reply #2 on: August 02, 2012, 10:21:56 AM »

What kind of power supply? Linear? Switching?

Have you tried to run it off of a 12v battery and see if you get different results?

73,

-- Tom
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KQ6Q
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Posts: 973




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« Reply #3 on: August 03, 2012, 01:55:44 PM »

Are you indoors ? is the antenna indoors ? Have you tried listening on the 1900R while transmitting an an HT in the same room ? If you don't have an HT to test with, and you house may have foil on the insulation in the walls, you may be working inside a shield - try again with the radio outdoors. Is the antenna a mag-mount? make sure it's on a metal surface, like a car hood, roof, or trunk. Find a local club, and have some hams with some experience check it out for you...
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KJ4LUP
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Posts: 2




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« Reply #4 on: August 04, 2012, 11:50:57 PM »

There is a problem with the FT1900R. I've owned one nearly 2 years and it picks up noise every couple of seconds as much as an S3. I've swapped it out and tried an IC-V82 HT, an FT-857D, an IC-208H and most recently a TH-9000 on the same antenna and none of these exhibit this annoyance.
On scan resume I get a burst of static.
Squeezing the PTT on an HT on a simplex frequency and monitoring on the Ft1900R gives a burst of static like if I was on a repeater.
The only fix is to either use a high rf squelch (a feature of this radio) or tighten the squelch pot more than half. Downside is that I can't hear weak simplex mobile (we have a lot of simplex ops in my country) and I still get the annoying zzzzzz on scan resume.
I don't like it. I don't like it.

I wanted a cheap 2M radio, yes, but I'm happier with an HT, external mic & antenna.
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9Z4CY / KZ4CY  formally KJ4LUP
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