[pskmail] Re: Good Conditions

  • From: Bernard Dekok <kc9sgv@xxxxxxxxx>
  • To: pskmail@xxxxxxxxxxxxx
  • Date: Tue, 10 Jan 2012 11:10:28 -0600

Thanks Rein, Robert and Roger,

I think my search range was set too low.
I use a Signalink USB and an old Icom 735 which works fine for Winmor with
a 100 Hz search parameter.
Maybe I should set my PSKMail search range up to 100 hz as well.
The old IC 735 is only tunable to .1 KC
Furthermore, I set the Signalink USB TX and RX audio control pots to the
Winmor values, with the Delay (DLY) pot to almost minimum, anti clockwise.

I will test some more when I am off from work this weekend.
Please keep up the good work.

73,
Bernard
KC9SGV

On Tue, Jan 10, 2012 at 10:44 AM, G6CKR <radio@xxxxxxxxxxxxxxx> wrote:

> Sound card calibration and frequency accuracy is more important on some
> modes both of which may explain the lack of connect at the slower modes.
> 73 Roger G6CKR
> On 10/01/12 15:49, Rein Couperus wrote:
> > What we see a lot is multipath during mid-day, giving rithmic, deep QSB
> > up to 80 dB down.
> > The server will downgrade the link until it reaches the lowest requested
> > mode,
> > and also reduces the block length.
> > If that does not work the server sends 2 disconnects and stops the
> > session...
> > The number of polls is configurable on the server, we use a number of 10
> to
> > let the session survive a pactor or ALE QRM session starting on top of a
> > running connection.
> >
> > The client can decide which modes to use for the session. We added the
> > MFSK and THOR
> > modes for multipath and NVIS conditions.
> > It pays to use different mode tables for different conditions.
> > Slow modes are not always the right answer, I use MFSK16 as the slowest
> > mode,
> > and I often use THOR22 to connect....
> >
> > The 14 MHz frequency is pretty stable during the time 10 MHz cannot be
> > used...
> > That is why we introduced scanning in 2006...
> > Don't forget to pick the right time and the right frequency, we did not
> > yet implement
> > the cognitive radio stuff....
> >
> > I use 5 Watts to connect SM0RWO on 10 MHz, and it works most of the time.
> >
> > Rein PA0R
> >
> >
> >
> >
> >     Hi Robert,
> >
> >     What you describe on the PSKMail connection, is what I have
> >     expierenced many times with your server and also with the AB9FT
> server.
> >
> >     I have on many occasions seen a gradual deterioration of the link.
> >     It goes asymmetric with the server still in a faster mode, and my
> >     client stuck in one of the lower speed modes, to the point that
> >     everything just freezes up there.
> >     Seems like this is part of the problem with PSKMail.
> >     There seems to be no automatic disconnect signal like with Winmor,
> >     when conditions deteriorate to the point of oblivion. (I think
> >     Winmor sends a double disconnect signal and an  ID.)
> >     So the connection on PSKMail just deteriorates, then hangs there in
> >     silence, waiting for who knows what.
> >     I think this could also be partly due to the peculiarity of the 30 M
> >     band.
> >     It behave much differently from say the 20M and 40M bands,
> >     I can say this from observation and experience as an HF band Ham for
> >     the past 30 years.
> >     The 30 band will presently suddenly cut off completely, then come on
> >     again 30 minutes later.
> >     In the US at least, the 20M and 40 M bands are very predictable most
> >     of the time, with good propagation during all of the morning, and
> >     then again later in the afternoon and
> >     evening.
> >
> >     Just my observation with some good time on playing with PSKMail 1.5
> >     and the KB2PNM
> >     and AB9FT servers from Chicago. (I have not had any response from
> >     the other servers after multiple pinging during the past few days.)
> >
> >     73,
> >     Bernard
> >     KC9SGV / ZS4BDK
> >     Chicago
> >
> >
> >
> >     On Tue, Jan 10, 2012 at 6:11 AM, Robert Krasowski
> >     <rkrasowski@xxxxxxxxx <mailto:rkrasowski@xxxxxxxxx>> wrote:
> >
> >         We had some problems yesterday with PSKmail, first we talk on
> >         SSB for 45 min, conditions were great. But later when we switch
> >         into PSKmail I was able to hear them great, but for some reason
> >         Client didi not responded into server response. I could't do
> >         anything about it since they did not hear me. But during the
> >         night they were able to exchange some emails so must recognized
> >         and fix the problem. Will know today what was the issue.
> >         Darrel, they are in the middle of Atlantic, not in Poland , so
> >         not that far but still quite good.
> >         Best regards toi all
> >         Robert
> >         KB2PNM
> >
> >         --- On *Mon, 1/9/12, John Douyere /<vk2eta@xxxxxxxxx
> >         <mailto:vk2eta@xxxxxxxxx>>/* wrote:
> >
> >
> >             From: John Douyere <vk2eta@xxxxxxxxx <mailto:
> vk2eta@xxxxxxxxx>>
> >             Subject: [pskmail] Re: Good Conditions
> >             To: pskmail@xxxxxxxxxxxxx <mailto:pskmail@xxxxxxxxxxxxx>
> >             Date: Monday, January 9, 2012, 10:34 PM
> >
> >
> >             Hi Darrel,
> >
> >             Yes, nice log.
> >
> >             I noticed the failed attempts at connections to Robert's
> >             server (KB2PNM).
> >
> >             Robert,
> >
> >             It looks like the client does not hear the server's connect
> >             acknowledgement (since the connect is received and acted
> >             upon AND the
> >             client's status reply required to confirm the connection is
> >             much more
> >             likely to success than a long connect frame).
> >
> >             I would recommend SQ2OAZ tries to connect with something
> >             like THOR22
> >             or MFSK16, and let the server adjust the speed up if
> possible.
> >
> >             But of course how to let him know if he does not connect to
> >             his email
> >             (APRS messages maybe?).
> >
> >             Regards,
> >
> >             John
> >
> >
> >             On Tue, Jan 10, 2012 at 1:13 PM,  <ve7cus@xxxxxxx
> >             <http://mc/compose?to=ve7cus@xxxxxxx>> wrote:
> >             > I had an interesting capture on my station on the west
> >             coast of N.A. this afternoon.
> >             >
> >             > Darrel, VE7CUS
> >             >
> >             > 16:01:21 <SOH>00uSQ2OAZ:6 (93u8'c  Y 83C1<EOT>
> >             > 16:02:54 <SOH>1!kKB2PNM:24 SQ2OAZ:1024 57CAF<SOH>
> >             > 16:02:54 SQ2OAZ<>KB2PNM: <SOH>7!s   16BB<EOT>
> >             > 16:03:17 SQ2OAZ<>KB2PNM: <SOH>1!kKB2PNM:24 SQ2OAZ:1024
> >             57CAF<SOH>
> >             > 16:03:19 SQ2OAZ<>KB2PNM: <SOH>7!s   16BB<EOT>
> >             > 16:07:01 <SOH>1"kKB2PNM:24 SQ2OAZ:1024 53750<SOH>
> >             > 16:07:04 SQ2OAZ<>KB2PNM: <SOH>7"s   16FF<EOT>
> >             > 16:16:14 <SOH>1$kKB2PNM:24 SQ2OAZ:1024 5A0AE<SOH>
> >             > 16:16:15 SQ2OAZ<>KB2PNM: <SOH>7$s   1677<EOT>
> >             > 16:17:24 SQ2OAZ<>KB2PNM: <SOH>1$kKB2PNM:24 SQ2OAZ:1024
> >             5A0AE<SOH>
> >             > 16:17:25 SQ2OAZ<>KB2PNM: <SOH>7$s   1677<EOT>
> >             > 16:18:29 <SOH>00uAB9FT:71 73 4E93<EOT>
> >             > From AB9FT: 73%
> >             > 16:19:08 <SOH>00uSQ2OAZ:7 B685<EOT>
> >             > =4904.13N/12305.39WMXASTIR-Linux
> >             > 16:20:10 <SOH>00uSQ2OAZ:7 B685<EOT>
> >             > 16:23:19 <SOH>1%kKB2PNM:24 SQ2OAZ:1024 559FA<SOH>
> >             > 16:23:20 SQ2OAZ<>KB2PNM: <SOH>7%s   D64A<EOT>
> >             > 16:23:39 SQ2OAZ<>KB2PNM: <SOH>1%kKB2PNM:24 SQ2OAZ:1024
> >             559FA<SOH>
> >             > 16:23:40 SQ2OAZ<>KB2PNM: <SOH>7%s   D64A<EOT>
> >             > 16:26:07 <SOH>00uSQ2OAZ:6 I7@=9Xm4'Y D0E8<EOT>
> >             > 16:32:12 <SOH>10cSQ2OAZ:1024 KB2PNM:24 885b4321AA0F<EOT>
> >             > 16:33:06 SQ2OAZ<>KB2PNM: <SOH>1!kKB2PNM:24 SQ2OAZ:1024
> >             57CAF<SOH>
> >             > 16:33:06 SQ2OAZ<>KB2PNM: <SOH>7!s   16BB<EOT>
> >             > 16:33:31 SQ2OAZ<>KB2PNM: <SOH>1!kKB2PNM:24 SQ2OAZ:1024
> >             57CAF<SOH>
> >             > 16:33:32 SQ2OAZ<>KB2PNM: <SOH>7!s   16BB<EOT>
> >             > 16:33:51 SQ2OAZ<>KB2PNM: <SOH>1!kKB2PNM:24 SQ2OAZ:1024
> >             57CAF<SOH>
> >             > 16:33:52 SQ2OAZ<>KB2PNM: <SOH>7!s   16BB<EOT>
> >             > 16:38:01 <SOH>00uSQ2OAZ:7 B685<EOT>
> >             > 16:38:08 <SOH>00uAB9FT:71 77 8E91<EOT>
> >             > From AB9FT: 77%
> >             > 16:38:33 <SOH>00uSQ2OAZ:7 B685<EOT>
> >             > 16:39:22 <SOH>10cSQ2OAZ:1024 KB2PNM:24 885b4321AA0F<EOT>
> >             > 16:40:47 SQ2OAZ<>KB2PNM: <SOH>7"s   16FF<EOT>
> >             > 16:41:33 SQ2OAZ<>KB2PNM: <SOH>1"kKB2PNM:24 SQ2OAZ:1024
> >             53750<SOH>
> >             > 16:41:33 SQ2OAZ<>KB2PNM: <SOH>7"s   16FF<EOT>
> >             > 16:42:18 SQ2OAZ<>KB2PNM: <SOH>1"kKB2PNM:24 SQ2OAZ:1024
> >             53750<SOH>
> >             > 16:42:19 SQ2OAZ<>KB2PNM: <SOH>7"s   16FF<EOT>
> >             > 16:46:01 <SOH>00uSQ2OAZ:6 I7>69Z4.(Y 35AA<EOT>
> >             >
> >             >
> >
> >
> >
>
>
>

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