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The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Markus; Feather in your hat for OPDS! -47 snr for that speed [almost four shots an hour] is something . That is a weak signal and of course without DS not much use for any other mode [maybe WOLF?]. My ERP was somewhere about maybe .05 watts at evening's end. Even at the time of your last hits wasn't even .1 watt erp most likely. Had at least three quarters of an inch of ice here at nights end-never lost power as the wind was light. The ground thawed as well, lowering conductivity substantially in this region. When weather settles down will give the OP65 a shot. 73, Bob [...] Content analysis details: (-0.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.55.116.38 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (rjraide[at]hotmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 9286c42f36aec8c717df8c33686f6171 Content-Type: multipart/alternative; boundary="_d2be27e3-b7a2-4a43-aebd-032d146ce07f_" Subject: RE: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=FORGED_HOTMAIL_RCVD,HTML_60_70, HTML_MESSAGE,HTML_TAG_EXISTS_TBODY,TO_ADDRESS_EQ_REAL autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Status: O X-Status: X-Keywords: X-UID: 1571 --_d2be27e3-b7a2-4a43-aebd-032d146ce07f_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Markus=3B Feather in your hat for OPDS! -47 snr for that speed [almost four shots an= hour] is something . That is a weak signal and of course without DS not m= uch use for any other mode [maybe WOLF?]. =20 My ERP was somewhere about maybe .05 watts at evening's end. Even at the = time of your last hits wasn't even .1 watt erp most likely. Had at least t= hree quarters of an inch of ice here at nights end-never lost power as the = wind was light.=20 The ground thawed as well=2C lowering conductivity substantially in this re= gion.=20 When weather settles down will give the OP65 a shot. 73=2C Bob =20 From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Sun=2C 22 Dec 2013 21:56:43 +0100 Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 start... =0A= =0A= =0A= =0A= =0A= =0A= =0A= Hi Bob=2C=0A= =0A= looking at last night's opds-16 spectrogram http://dl.dropboxusercontent.co= m/u/26404526/opds16_131222_0800.png=2C =0A= your signal was low level but steady from =0A= 22:30=2C but had vanished completely around 0:15 before I went to bed. =0A= Finding the hits this morning was a pleasant surprise for me as =0A= well!=0A= =0A= Regarding a possible advantage for shorter modes=2C I =0A= still believe that "slower is better". During the first hour=2C your =0A= signal was consistently short by ~ 3 dB here=2C and would have likely =0A= been detected in opds-64 already. The CFH plot http://dl.dropboxusercontent= .com/u/26404526/plot_131222_0835.png shows some =0A= gentle signal variation on the Halifax path=2C but no indication =0A= of sharp peaks.=0A= =0A= It is mostly the =0A= total signal energy which decides upon a detection. If a short =0A= peak is strong enough for opds-16=2C it will quite =0A= likely also be detected as part of a one =0A= hour transmission. In practice there's of course a lower limit to this: =0A= With "true decoders" (WSPR and Opera) and forward error =0A= correction=2C with a sufficiently strong signal about 50% of =0A= the whole data set is required for valid output. On the other hand=2C =0A= opds contents itself with the much simpler task of only =0A= identifying an entry from a relatively short list=2C and can often =0A= do so in about 20% of total time.=0A= =0A= Best 73=2C=0A= Markus (DF6NM)=0A= =0A= =0A= =0A= =0A= From: Bob Raide =0A= Sent: Sunday=2C December 22=2C 2013 5:32 PM=0A= To: rsgb_lf_group@blacksheep.org =0A= =0A= Subject: RE: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...=0A= =0A= Markus=3B I was very pleasantly surprised at your decodes as we =0A= had bad ice here starting around 0200. I tried to keep retuning but by =0A= 0300 couldn't load much power-was down to 200 TX output! By 0730 =0A= whan I closed was on exciter at 50 watts! Band kept getting better =0A= but ice kept getting worse-great going on receive and the OPDS16 seems =0A= worth running on this long wave band. It's short duration seems to take = =0A= advantage of the peaks as the sigs comes up out of those =0A= fades???Bob =20 =0A= =0A= =0A= From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Sun=2C 22 =0A= Dec 2013 14:08:29 +0100 Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start... =0A= =0A= =0A= Well=2C maybe dim but not completely dark... got a =0A= few opds-16 detections here but not far above the threshold:=0A= =0A= 2013-12-22 04:56:17 WG4XRS 6448km =0A= 74322.200Hz 5mHz -46.2dBOp 93% 15.3dB 2013-12-22 04:39:43 =0A= WG4XRS 6448km 74322.200Hz 5mHz -44.2dBOp 100% =0A= 15.7dB 2013-12-22 04:23:10 WG4XRS 6448km 74322.200Hz =0A= 4mHz -47.1dBOp 94% 16.4dB 2013-12-22 02:10:43 WG4XRS 6448km =0A= 74322.199Hz 3mHz -47.0dBOp 97% 15.4dB=0A= =0A= 73=2C Markus =0A= (DF6NM)=0A= =0A= =0A= =0A= =0A= From: Graham =0A= Sent: Sunday=2C December 22=2C 2013 1:30 PM=0A= To: rsgb_lf_group@blacksheep.org =0A= =0A= Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...=0A= =0A= Looks like the shutters where down last =0A= nigh Bob ?=0A= =0A= G=2C =0A= =0A= =0A= =0A= =0A= =0A= WG4XRS=0A= KA9CFD=0A= 4000m=0A= OPERA=0A= 725 miles=0A= 02:43:50=0A= =0A= WG4XRS=0A= K3SIW-1=0A= 4000m=0A= OPERA=0A= 580 miles=0A= 01:54:10=0A= =0A= WG4XRS=0A= K3SIW-2=0A= 4000m=0A= OPERA=0A= 580 miles=0A= 07:41:53=0A= =0A= WG4XRS=0A= W3NF=0A= 4000m=0A= OPERA=0A= 233 miles=0A= 23:25:09=0A= =0A= ... =0A= =0A= =0A= =0A= =0A= =0A= From: Bob Raide =0A= Sent: Saturday=2C December 21=2C 2013 9:46 PM=0A= To: rsgb_lf_group@blacksheep.org =3B Bob Raide =0A= =0A= Subject: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...=0A= =0A= WG2XRS/4 [WG4XRS opera modes] NY 74.3222 TX freq. On till =0A= 0700 weather co-operating. Hopefully Dex and John joining in also. All =0A= decodes appreciated-Bob = --_d2be27e3-b7a2-4a43-aebd-032d146ce07f_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Markus=3B
Feather in your hat= for OPDS! =3B =3B-47 snr for that speed [almost four shots an hour= ] is something . =3B That is a weak signal and of course without DS not= much use for any other mode [maybe WOLF?]. =3B
My ERP was somewher= e =3B about maybe =3B.05 watts at =3Bevening's end. =3B Eve= n at the =3Btime of your last =3Bhits wasn't even =3B.1 =3B= watt =3Berp most likely.  =3BHad at least three quarters of an inch= of ice here at nights end-never lost power as the wind was light. =3B<= BR>The ground thawed as well=2C lowering conductivity substantially in this= region. =3B
When weather settles down will give the OP65 a shot.&nb= sp=3B73=2C Bob
 =3B
From: markusvest= er@aol.com
To: rsgb_lf_group@blacksheep.org
Date: Sun=2C 22 Dec 2013 = 21:56:43 +0100
Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 sta= rt...

=0A= =0A= =0A= =0A= =0A= =0A= =0A=
Hi Bob=2C
=0A=
 =3B
=0A=
looking at last night's opds-16 spectr= ogram ht= tp://dl.dropboxusercontent.com/u/26404526/opds16_131222_0800.png=2C =0A= your signal was low level but steady= from =0A= 22:30=2C =3Bbut had vanished completely around =3B0:15 before I wen= t to bed. =0A= Finding the hits =3Bthis morning =3Bwas a pleasant surprise for me = as =0A= well!
=0A=
 =3B
=0A=
Regarding a possible advantage for sho= rter modes=2C I =0A= still =3Bbelieve that "slower is better". During the first hour=2C your= =0A= signal =3Bwas consistently short by =3B~ 3 dB here=2C and would hav= e likely =0A= been detected =3Bin =3Bopds-64 already. The CFH plot http://dl.dropboxuserconte= nt.com/u/26404526/plot_131222_0835.png =3Bshows some =0A= gentle signal variation =3Bon the Halifax path=2C but no indication =0A= of =3Bsharp peaks.
=0A=
 =3B
=0A=
It is mostly the =0A= total signal energy which =3Bdecides upon a =3Bdetection. If a shor= t =0A= peak =3Bis strong enough for opds-16=2C it will =3Bquite =0A= likely =3Balso =3Bbe =3Bdetected as part of =3Ba =3Bone= =0A= hour =3Btransmission. In practice there's of course a lower limit to th= is: =0A= With "true decoders" (WSPR and Opera) and =3Bforward error =0A= correction=2C =3Bwith a sufficiently strong signal =3Babout =3B= 50% =3Bof =0A= the whole data set is required for valid output. On the other hand=2C =0A= opds =3Bcontents itself =3Bwith the much simpler task of =3Bonl= y =0A= identifying an entry from =3Ba relatively =3Bshort list=2C and can = often =0A= do =3Bso in =3Babout 20% of total time.
=0A=
 =3B
=0A=
Best 73=2C
=0A=
Markus (DF6NM)
=0A=
 =3B
=0A=
=0A=

=0A=
=0A=
From: Bob Raide=
=0A=
Sent: Sunday=2C December 22=2C 2013 5:32 PM
=0A= =0A=
Subject: RE: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...
=0A=

=0A=
Markus=3B
I was very pleasantly surprised at your decod= es as we =0A= had bad ice here starting around 0200. =3B I tried to keep retuning but= by =0A= 0300 couldn't load much power-was down to 200 =3B TX output! =3B By= 0730 =0A= whan I closed was on exciter at 50 watts! =3B =3B Band kept getting= better =0A= but ice kept getting worse-great going on receive and the OPDS16 =3Bsee= ms =0A= worth running on this long wave band. =3B It's short duration seems to = take =0A= advantage of the peaks as the sigs comes up out of those =0A= fades???Bob
 =3B
=0A=
=0A=
=0A= From: markusvester@aol.com
To: rsgb_lf_group@blacksheep.org
Date: Sun= =2C 22 =0A= Dec 2013 14:08:29 +0100
Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial= 2200 =0A= start...

=0A= =0A= =0A=
Well=2C maybe dim but not completely d= ark... got a =0A= few opds-16 detections here but not far above the threshold:
= =0A=
 =3B
=0A=
2013-12-22 04:56:17 WG4XRS =3B 644= 8km =3B =0A= 74322.200Hz =3B =3B 5mHz -46.2dBOp =3B 93% 15.3dB
2013-12-22= 04:39:43 =0A= WG4XRS =3B 6448km =3B 74322.200Hz =3B =3B 5mHz -44.2dBOp 10= 0% =0A= 15.7dB
2013-12-22 04:23:10 WG4XRS =3B 6448km =3B 74322.200Hz&nbs= p=3B =3B =0A= 4mHz -47.1dBOp =3B 94% 16.4dB
2013-12-22 02:10:43 WG4XRS =3B 644= 8km =3B =0A= 74322.199Hz =3B =3B 3mHz -47.0dBOp =3B 97% 15.4dB
= =0A=
 =3B
=0A=
73=2C Markus =0A= (DF6NM)
=0A=
 =3B
=0A=
=0A=

=0A=
=0A=
From: Graha= m
=0A=
Sent: Sunday=2C December 22=2C 2013 1:30 PM
=0A= =0A=
Subject: Re: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...
=0A=

=0A=
Looks like the =3B shutters where =3B dow= n =3B last =0A= nigh Bob ?
=0A=
 =3B
=0A=
G=2C
=0A=
 =3B
=0A=
=0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A= =0A=
WG4XRS=0A= KA9CFD=0A= 4000mOPERA725 =3B= miles02:43:50
WG4XRS=0A= K3SIW-1=0A= 4000mOPERA580 =3B= miles01:54:10
WG4XRS=0A= K3SIW-2=0A= 4000mOPERA580 =3B= miles07:41:53
WG4XRS=0A= W3NF4000mOPERA233 =3B= miles23:25:09
=0A=
 =3B
=0A=
 =3B... =3B
=0A=
=0A=
=0A=
=0A=

=0A=
=0A=
From: Bob Raide
=0A=
Sent: Saturday=2C December 21=2C 2013 9:46 PM
=0A= =0A=
Subject: LF: OP/OPDS 16 tonight on 72.7 dial 2200 =0A= start...
=0A=

=0A=
WG2XRS/4 [WG4XRS opera modes] NY 74.3222 TX freq. =3B = On till =0A= 0700 weather co-operating. =3B Hopefully Dex and John joining in also.<= br>All =0A= decodes appreciated-Bob
=
= --_d2be27e3-b7a2-4a43-aebd-032d146ce07f_--