In fact, I was expecting NaP3 to also decode an useable audio signal from the
I/Q, as do other SDR programs.
But their integration with KX3 CAT commands is still a mystery for me.
72 de FO/F5LCI
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NaP3 can indeed send audio to the soundcard output. That is what the
SUB, MUTE, RX A and RX B buttons/sliders control. See the NaP3
instructions at www.telepostinc.com.
Questions about NaP3 and LP Bridge are usually answered quickly by Larry
Phipps on the LP-Pan Yahoo Group.
73,
Don W3FPR
Sent from my iPhone
On Sep 16, 2012, at 2:13 PM, F5LCI jmb-f5...@orange.fr wrote:
In fact, I was expecting NaP3 to also decode an useable audio signal ...
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It does. You just route it to somewhere that you can hear it, e.g. speaker,
phones, or VAC.
Tony KT0NY
OK, finally found how to.
But there is still some difference : I can't decode JT65 sigs this way,
although it works with the standard audio cable : any trick ???
Regards,
FO/F5LCI
Le Sun, 16 Sep 2012 21:09:50 -, Tony estept...@gmail.com a écrit:
Sent from my iPhone
On Sep 16, 2012,
Don,
Thanks again for your help.
I finally got the trick in the NaP3 setup :
I had a wrong option in system output till I saw there the help box
listen through.
No more need of the analog audio cable (and all it carries) ?
- Not exactly for the moment, as the audio throughput is still different
There will be some latency - so you have double latency - once through
the KX3 and again through the panadapter software. That may or may not
be troublesome. If so, the only cure is another soundcard and the cable
to the headphone jack (and mic jack)
You will likely want to use that 2nd
Thanks Don,
After trying to compare these two audio signals, I have arrived at this
conclusion, valid for /my setup/ (e.g. noise from the laptop screen (look at
my page on QRZCQ):
IMHO the I/Q derived audio by the PC can be of some utility, but the KX3
does it better.
SDR receivers (I own a PMSDR)
OK, it is the IF...
But is there a software mean to re-assemble or compute this I/Q signal so it
can be treated as audio ?
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http://elecraft.365791.n2.nabble.com/I-O-output-level-tp7562551p7562773.html
Sent from the Elecraft mailing list archive at Nabble.com.
Most SDR software will demodulate most modes from an I/Q signal. Try maybe
SDR# (http://sdrsharp.com/) or PowerSDR.
73, Thomas M0TRN
On 15 September 2012 21:23, F5LCI jmb-f5...@orange.fr wrote:
OK, it is the IF...
But is there a software mean to re-assemble or compute this I/Q signal so
it
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It would be easier to just hook up the KX3 to the PC with the Phones jack
to Line In on the PC. Then the KX3 has already demodulated it for you. If
you use DATA mode then it will be a raw USB or LSB chunk ready for use in
your favourite digimode program.
If you still want to listen to the KX3,
lt;!DOCTYPE htmlgt;
Yes, that is what I am using : audio cable and external speakers via the PC. I
already have an I/Q home made cable 2.5/3.5 to the iMic, with transformers. The
most difficult is the audio parameters setup, but I think they are good (no
extra quot;enhancementsquot; etc).
On my KX3, the I/O output level seems a bit too low on some bands when I try
to use JT65 HF.
14 MHz and lower is OK, but can't get a decent level on the upper bands.
Using iMic, switched on mic.
Any comments ?
(of course I post this on the JT65 forum, too)
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