how do unsubscribe???
On 12/20/2020 12:40 AM, Mooneer Salem wrote:
PSK Reporter functionality is in a different branch that hasn't been
merged up to master yet. I brought down the 700E changes tonight and
put up 1.5.1 builds here
<https://www.dropbox.com/sh/z62hx97bm7x71pk/AAAc7Mz7Y5L1JbtH-0ZdBqfMa?dl=0>
with both features (Windows 32/64, Ubuntu 20.04, macOS).
-Mooneer K6AQ
On Sat, Dec 19, 2020 at 9:13 PM ea8ee <[email protected]
<mailto:[email protected]>> wrote:
I can't find pskreporter in the options, I used it a few days ago
and much better than the option of using a website for dating in
freedv
Mailtrack
<https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&;>
Remitente notificado con
Mailtrack
<https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&;>
20/12/20 05:12:07
El dom, 20 dic 2020 a las 4:54, David Rowe (<[email protected]
<mailto:[email protected]>>) escribió:
If it's 100W PEP then 40WRMS is about right with the
tools-options-clipping on (4dB PAPR).
On 20/12/20 3:19 pm, Mooneer Salem wrote:
On my Hermes Lite 2 + Hardrock-50, the latter was claiming 40
watts on 700E without touching any settings in the app. Will
need to play more to see how far it can be taken.
-Mooneer K6AQ
On Sat, Dec 19, 2020 at 7:22 PM David Rowe <[email protected]
<mailto:[email protected]>> wrote:
Thanks Walter and Mooneer. I'd be interested to know the
RMS power you can develop with 700D/E with the clipper
option.
- David
On 20/12/20 10:30 am, Mooneer Salem wrote:
Looks like it's working reasonably well, though the 20
meter band fell out shortly after we all got it
installed. More testing tomorrow for sure. :)
-Mooneer K6AQ
On Sat, Dec 19, 2020 at 2:26 PM <[email protected]
<mailto:[email protected]>> wrote:
Have it loaded and running now.
Working on a couple others as I type to get some end
to end testing.
Many thanks David, and best of the holidays.
Walter/K5WH
-----Original Message-----
From: David Rowe <[email protected]
<mailto:[email protected]>>
Sent: Saturday, December 19, 2020 3:34 PM
To: [email protected]
<mailto:[email protected]>
Subject: [Freetel-codec2] FreeDV 1.5 - 700E and OFDM
compression
I've been working on a new FreeDV 700E mode, and
some compression for FreeDV 700D and 700E to
increase the average power. A Christmas present for
you to play with
700E is designed to handle fast fading like 700C,
but like 700D has powerful FEC. My bench tests
indicate 700C & E are equivalent on moderate fading
channels (2Hz dopdler/2ms spread), but on very fast
fading (4Hz/4ms) 700E does better - 700C & D fall
over. 700D works better at lower SNRs on slow fading
channels.
I've also been testing against compressed SSB, which
as Helmut suggests is pretty hard to beat, as it's
so robust to fading. However 700E is hanging on
quite well with fast fading, and becomes noise free
as the SNR increases.
-/-
The second innovation is compression of the 700C/D/E
waveforms, to increase average power significantly.
Please be careful adjusting the Tx drive and
especially enabling the Tool - Options - Clipping.
It can drive your PA quite hard. I have managed 40W
RMS out of my 75W PEP transmitter. Make sure your
transmitter can handle long periods of high average
power. My IC7200 and
FT-817 seem OK.
At the same equivalent peak power - 700D is doing
well when compressed SSB is -5dB SNR and rather hard
on the ears.
-/-
Peter VK3RV, Jose LU5DKI, and Barry VK3BRT tried
1.5.0 last night and report it works on real HF
channels.
The latest manual describes the new features:
https://github.com/drowe67/freedv-gui/blob/118cb66ee4679518185db871ec0ae68071c406a4/USER_MANUAL.md
<https://github.com/drowe67/freedv-gui/blob/118cb66ee4679518185db871ec0ae68071c406a4/USER_MANUAL.md>
You can download Windows 32 and 64 bit versions of
FreeDV 1.5 here:
http://rowetel.com/downloads/freedv
<http://rowetel.com/downloads/freedv>
-/-
I'd be interested in any feedback. If you have an
interesting test case (e.g. a bug or comparing SSB
to FreeDV), pls send me off air recordings of
signals (FreeDV Tools-Record File from Radio). That
helps me make objective comparisons. Recordings are
much more useful to me than anecdotes or subjective
reports.
Thanks,
David
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