[hpsdr] Freq Calibration - code posted to SVN
K1rqg at aol.com
K1rqg at aol.com
Mon Jan 5 08:42:20 PST 2009
Bill
Good news from this end! Calibration routine appears to work fine so far. I
am
now able to use Mercury as frequency reference for both 122.88 MHz and
10 MHz source. Also happy to report that I now do NOT see any frequency
instability on CW transmit when using Mercury for frequency reference. I see
that the correction factor is not accessible for manual tweaking! Is this
correct?
I also see that the XVTRs setup is now working (but I have not done full
check
on it), thanks for that fix!
One thing I noticed though, when using HPSDR system on the air (20 meters)
this morning, when switching back to receive mode, even using PTT (not VOX
with delay), I can hear the last word (syllable) in one side of my head set.
I
also tried it on speaker and the same result. I did not have this before. Now
two things have changed and that is your new SVN (04Jan2009) and Mercury
V2.3 . So I am not sure which caused this or if anyone else has this
experience.
Headset audio is from Penelope J-6 and speaker is from Mercury line out.
I do use my system for EME and have a question (suggestion) and that is
regarding PTT. In the current PowerSDR, PTT for SSB uses the "DIT" function
of the keyer circuit, but no PTT function when in the CW mode (other than
clicking MOX). It would be nice to have the PTT function through Penelope
board J-6 to be separated from the keyer. This will keep us from blowing up
stuff prematurely if our sequencers are not just "right". Some of us use an
output from the sequencer to key the radio (we key the sequencer first).
Thanks again for all the work!
73 de Joe K1RQG
In a message dated 1/5/2009 2:32:59 A.M. Eastern Standard Time,
bill at ewjt.com writes:
***** High Performance Software Defined Radio Discussion List *****
Folks,
I've posted new code - this drop has Frequency Calibration enabled
for HPSDR. The calibration mechanism is somewhat experimental so I'd
like to hear how well it seems to work for folks. Also fixed some
minor nits.
New code is at:
svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/branches/kd5tfd/PennyMerg
e/bin/Release
Cheers,
Bill (kd5tfd)
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