Re: Need documentation for SS-32M tone encoder
Done ! Mike WA6ILQ
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M M
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#195384
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Re: QUANTAR VHF Audio Interface...
Well, an 8100 is nice, especially with the XT chassis lol, but not everybody can afford an Optimod or Orban audio processor..... I have a 6300 but it's for sale... Kind of overkill for ham radio and
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Chris Boone WB5ITT
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#195383
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Re: QUANTAR VHF Audio Interface...
Burt, Thanks for taking the time to prepare a detailed response explaining your measurement procedures and your audio processing. I also agree that variations in user level make it hard to understand
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nj902
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#195382
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Isocoupler
Curious who of you might be on an AM Broadcast "Hot" tower. I have two VHF isocouplers.? The heavy duty Kintronic FMC model. Currentlytuned for 150's, but are pretty wide. And easily tuned. Contact
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Chris KC4CMR
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#195381
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Re: VHF MTR2000 Poor Receive Performance
Yeap, it's a -20db model. It's a MiniCircuits?ZFDC-20-5-N+ model. I figured the receiver isn't tuned properly based on these graphs. I'm hoping the dealer can figure it out.
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Jared Smudde
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#195380
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Re: QUANTAR VHF Audio Interface...
Gang, Please understand, my intention to transmit what has been refereed to as wideband audio is not to be HiFi, but to be something better than typical "telephone quality" audio.? I do not feel that
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Burt K6OQK
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#195379
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Edited
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Re: VHF MTR2000 Poor Receive Performance
Okay- From the graph - I'd guess the directional coupler is a -20dB model.? And - it looks like you're getting the expected directivity and RL trace that I would have expected - considering I don't
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Kevin Custer
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#195378
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Scantenna ?
I see on radio reference they talk about a old Friend on the scan craft st2 being built. Anyone know if this happened Ryan n3ssl
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n3ssl
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#195377
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Re: VHF MTR2000 Poor Receive Performance
Here you go.
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Jared Smudde
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#195376
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Re: Occupied bandwidth - (was Windows 7 config)
Occupied bandwidth is an interesting topic.? For many of us - using an unmodified commercial transmitter - it's an 'academic' topic since the manufacturer has delt with it. That said, amateur radio
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nj902
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#195375
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Re: VHF MTR2000 Poor Receive Performance
Jared, Can you put a 50 ohm load on the directional coupler and show us what the return loss looks like for it across the same frequency range? Kevin
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Kevin Custer
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#195374
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Re: Yearly support request - Repeater Builder? website - W3KKC
Done, Michel Verzonden vanuit Outlook<http://aka.ms/weboutlook> ________________________________ Verzonden: vrijdag 4 november 2022 21:56 Aan: Repeater Builder <[email protected]> Onderwerp:
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michel van der breggen
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#195373
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Re: VHF MTR2000 Poor Receive Performance
I also went ahead and finally swept the receiver port for return loss and it wasn't pretty at all as shown below. Closeup on receiver frequency. The little hump at the actual receiver frequency
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Jared Smudde
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#195372
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Re: VHF MTR2000 Poor Receive Performance
So I manged to verify 2 things: My generator output level is accurate comparing it to my spectrum analyzer and the MTR has a receiver/alignment issue. I took a freshly dealer aligned XPR 4550 VHF and
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Jared Smudde
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#195371
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Re: VHF MTR2000 Poor Receive Performance
Not going to lie, I haven't been able to figure out the Rigol enough to show the generator amplitude down past the -100dbm level so it really could be off. I need to figure out how to view it that
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Jared Smudde
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#195370
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Re: Occupied bandwidth - (was Windows 7 config)
Guys (and gals), Please go back and review the complete thread. The OP is using a "made for application" sound card that Scott Zimmerman designed (the RIM-Maxtrac
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Kevin Custer
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#195369
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Re: BTECH AMP-220 Amplifier
Oh. Those screws were not missing.? There is a clip that looks coperish that goes over the MOSFET that has a thermal pad under it.? I unscrewed and removed the clip to get a clear view of the FET in
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Cliff - KE8ADK
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#195368
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Re: QUANTAR VHF Audio Interface...
Burt's intention to transmit wideband audio in the interest of increased clarity or voice 'fidelity' prompted several people to express concern about the resulting signal bandwidth - especially on 2
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nj902
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#195367
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Re: Need documentation for SS-32M tone encoder
I guess its set for 100.0. Glad you got the info. 73, Jim W7RY
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Jim W7RY <jimw7ry@...>
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#195366
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Re: Need documentation for SS-32M tone encoder
If its any help... The one in the picture is probably programed for 82.5 Hz. 73, Jim W7RY -- Thanks and 73, Jim W7RY
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Jim W7RY <jimw7ry@...>
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#195365
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