Dates for ARRL/TAPR Digital Communications Conference in Chicago Announced (Feb 4, 2008) -- The Tucson Amateur Packet Radio Corporation (TAPR) has announced...
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garylinnrobinson
garylinnrobi...
Mar 23, 2008 2:13 pm
Recently I have talked to several other Olivia stations that had very strong signals that decoded very poorly - less than 50% accuracy. It didn' make sense...
1215
dl8le
Mar 24, 2008 3:19 am
... Dave, I don't know if the other person is confusing similar Olivia modes or not because - as said by me - I have been unable to find such a problem or make...
1216
Chris Gerber
hb9bdm
Mar 24, 2008 8:59 am
Hi I was lust running some S/N test here. Comparing Mixw 2.18, Olivia Aid (The original most sens. Olivia version), together with all Multipsk modes up to the...
1217
garylinnrobinson
garylinnrobi...
Mar 24, 2008 2:29 pm
Just as a follow up on my original post - There was NO confusion as to what configuration of Olivia the station I mentioned and I were using since we had...
1218
David F. Reed
w5sv
Apr 22, 2008 1:53 am
I am running MixW into a RigExpert Standard, in Olivia mode. I can print fine, but other stations have trouble printing my signal, complaining of loss of sync...
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Mark Miller
markm76017
Apr 22, 2008 5:13 am
... I think calibration is your problem. There is a program in C:\Program Files\MixW called CheckSR.exe . First run your test with a sample rate of 11025...
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David F. Reed
w5sv
Apr 22, 2008 2:13 pm
Mark, thank you for the info; it was a big help; indeed, at the 11025 sample rate, I was off on the TX side by over 7000, but on the 12000 sample rate it was...
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Mark Miller
markm76017
Apr 22, 2008 3:47 pm
At 09:13 AM 4/22/2008, David F. Reed wrote: thank you for the info; it was a big help; indeed, at the 11025 sample rate, I was off on the TX side by over 7000,...
1222
expeditionradio
May 8, 2008 1:51 am
FCC "received 650 comments and reply comments, most of which opposed" Mark Miller's so-called Digital Stone Age Petition RM-11392. If you remember, a bulletin...
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garylinnrobinson
garylinnrobi...
May 10, 2008 6:04 am
I recently copied a QSO on 80mtrs (Olivia) where the one station said that Ollvia was almost as good as MFSK16 for decoding below the noise floor. I found this...
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Simon Brown
simonbrown42
May 10, 2008 6:59 am
I'm very surprised. FWIW DM780 uses Pavel's source without any improvements other than a re-write to use more standard C++ classes and remove the heavy...
1225
Jose A. Amador
co2ja
May 10, 2008 10:49 am
Patrick issued a test version sampling at 48 kHz to do some research around that sampling issue, and asked for feedback from users. Quite a few of us returned...
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Waldis Jirgens
vk_1_wj
May 10, 2008 11:10 am
Hi All, I have heard for a long time, that Multipsk (any version) is not all that crash hot in decoding Olivia. Also its MFSK16 protocol was slightly different...
1227
Andrew O'Brien
obrienaj
May 10, 2008 11:35 am
BUT, Simon, what about the "sync" setting in DM780 for Olivia? Would not this add to the ability to decode very weak signals, perhaps more so than MPSK...
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Simon Brown
simonbrown42
May 10, 2008 11:38 am
Yes it would - especially the way I search for signals to get really tuned in. Simon Brown, HB9DRV ... From: "Andrew O'Brien" <andrewobrie@...>...
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Andrew O'Brien
obrienaj
May 10, 2008 11:41 am
I have used Olivia a lot using Multipsk and MixW with additional use of Olivia in the past few months using DM780. I doubt the claims that Multipsk's...
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garylinnrobinson
garylinnrobi...
May 10, 2008 1:56 pm
I have 4 computers - with WnxXP, Vista, Linux and other O.S.'s - I am doing a comparison between MultiPSK, DM780, and FLDigi later this week using multiple...
1231
garylinnrobinson
garylinnrobi...
May 10, 2008 2:06 pm
I never said that MultiPSK's implementation was "not good" - but I did say it was not all that good in decoding compared to DM780 - meaning that it could be...
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garylinnrobinson
garylinnrobi...
May 10, 2008 2:12 pm
Incidentally, if anyone else cares to run the same type of tests turn off the squelch settings (or set to zero), of course for valid results. All the programs...
1233
Steinar Aanesland
radionorway
May 12, 2008 4:21 pm
Hi Patrick I am forwarding this mail from oliviadata@yahoogroups.com . There is a discussion going on about the olivia mode in MultiPSK. I thought it could be...
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Joe
nssdz
May 12, 2008 4:57 pm
Hi Steinar, And the rest, Having a problem decoding Domino I thought maybe a similar problem, And i am also interested in Olivia so i just installed the DM780,...
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Simon Brown
simonbrown42
May 12, 2008 5:04 pm
You need the latest beta: http://www.ham-radio.ch/kits/beta/3.5/1833/HRDv035b1833_Full.exe Version 4.0 will be released at Dayton, more info: ...
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Joe
nssdz
May 12, 2008 5:27 pm
ahh Thank You, Joe WB9SBD...
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Steinar Aanesland
radionorway
May 12, 2008 7:33 pm
Hi, am QSYing this answer from Patrick 73 de LA5VNA Steinar ... Emne: Re: [multipsk] [Fwd: [olivia] MultiPSK 4.8 doesn't decode all that great on Olivia] ...
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garylinnrobinson
garylinnrobi...
May 13, 2008 12:46 am
I didn't do my comparison's on MixW and Olivia Aid - I did them with DM780 and just recently FLDigi on a separate computer but same sound feed from...
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Jose A. Amador
co2ja
May 13, 2008 3:17 am
... There are several factors to consider in order to achieve a fair relative evaluation, and I am sure you know with your claimed background. First, with the...
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Karl Larsen
k5di3
May 13, 2008 11:18 am
... Hi Jose, I live in New Mexico USA and have a TH6DXX beam at 60 feet. I use Linux and use the GMFSK software. I do not know how the comparison your talking...
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garylinnrobinson
garylinnrobi...
May 13, 2008 1:39 pm
I didn't start out to prove anything but my results were clear and quantitative. On all 4 of my computers with settings optimized and sound cards aligned...
1242
Jose A. Amador
co2ja
May 14, 2008 12:34 am
... Well, one difficulty that has been pointed out is that it is not easy to identify the many possible parameter variants, and a sub-standard setup will make...
