Return-Path: Received: from rly-de12.mx.aol.com (rly-de12.mail.aol.com [172.19.170.148]) by air-de03.mail.aol.com (v123.3) with ESMTP id MAILINDE033-51c49bbb0e331a; Sat, 14 Mar 2009 09:28:22 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-de12.mx.aol.com (v123.3) with ESMTP id MAILRELAYINDE123-51c49bbb0e331a; Sat, 14 Mar 2009 09:28:05 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LiTto-0000gR-38 for rs_out_1@blacksheep.org; Sat, 14 Mar 2009 13:27:36 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LiTtn-0000gI-2R for rsgb_lf_group@blacksheep.org; Sat, 14 Mar 2009 13:27:35 +0000 Received: from [193.252.22.190] (helo=smtp6.freeserve.com) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LiTtj-0000sL-Vx for rsgb_lf_group@blacksheep.org; Sat, 14 Mar 2009 13:27:35 +0000 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3628.me.freeserve.com (SMTP Server) with ESMTP id 713967000083 for ; Sat, 14 Mar 2009 14:27:24 +0100 (CET) Received: from AGB (unknown [91.110.71.35]) by mwinf3628.me.freeserve.com (SMTP Server) with SMTP id 813447000081 for ; Sat, 14 Mar 2009 14:27:21 +0100 (CET) X-ME-UUID: 20090314132721529.813447000081@mwinf3628.me.freeserve.com Message-ID: <5467B2F044F54A7980C65F62409256D3@AGB> From: "Graham" To: References: In-Reply-To: Date: Sat, 14 Mar 2009 13:27:20 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8064.206 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8064.206 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: Re: Multi-function beacon Content-Type: multipart/alternative; boundary="----=_NextPart_000_0049_01C9A4A8.9A593B90" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_20_30,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0049_01C9A4A8.9A593B90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dave, >>> Sample of 5290kc. over last night.<<< Is this from 5290 or 503.7 ....... ?? Graham ..=20 From: dave.riley3=20 Sent: Saturday, March 14, 2009 12:08 PM To: rsgb_lf_group@blacksheep.org=20 Cc: 600MRG=20 Subject: LF: Re: Re: Multi-function beacon Andy, beacons, Looks like the beacon program is up and running correctly as 5 mhz shows rel= ative sigs and frequency counts. Last night conditions here were very poor for T/A on 600m, even with this br= oad high pressure area that helped keep the noise down. Even DI2AM was very=20= weak and SM6BHZ did not decode. So I will run it again on you tonight, but I did see remnanats of what looks= like a letter K during the beacon transmission times from you ( in ARGO QRS= S3 )... Sample of 5290kc. over last night. 2009 03 14 03 00 47.51 39.97 36.06 23.91 0.00 1495.70 1494.14 0.00 2009 03 14 03 15 34.12 37.03 31.32 23.36 0.00 0.00 0.00 0.00 2009 03 14 03 30 33.87 30.14 35.05 29.91 0.00 0.00 0.00 0.00 2009 03 14 03 45 30.91 26.89 26.38 23.12 0.00 0.00 0.00 0.00 2009 03 14 04 00 32.25 44.39 25.68 24.24 0.00 0.00 1494.14 0.00 2009 03 14 04 15 40.13 39.54 35.79 24.24 0.00 1495.51 1494.14 0.00 2009 03 14 04 30 44.71 42.47 29.35 30.72 0.00 0.00 0.00 0.00 2009 03 14 04 45 33.16 37.11 35.32 23.03 0.00 0.00 0.00 0.00 2009 03 14 05 00 48.07 46.44 34.46 25.30 0.00 1495.90 1494.14 0.00 2009 03 14 05 15 43.12 47.39 30.40 23.83 0.00 1495.70 1494.14 0.00 2009 03 14 05 30 48.13 31.83 37.48 26.50 0.00 1495.70 0.00 0.00 2009 03 14 05 45 47.11 42.90 37.04 22.88 0.00 1495.90 1494.34 0.00 2009 03 14 06 00 28.69 30.99 30.46 23.66 0.00 0.00 0.00 0.00 2009 03 14 06 15 41.04 31.09 29.58 23.29 0.00 1495.90 0.00 0.00 The 'red' station usually seems the strongest on the graph... TNX Dave @ /17 ----- Original Message -----=20 From: Andy Talbot=20 To: rsgb_lf_group@blacksheep.org ; uk_beacons@yahoogroups.com=20 Sent: Friday, March 13, 2009 5:57 AM Subject: LF: Re: Multi-function beacon Just a reminder to all - this beacon is still going, and will probably con= tinue to do so until further notice. A few listeners have downloaded the s= oftware, and thanks to all (you know who your are :-) for the plots / listin= gs. I am not in a position to compile them, so don't expect revelations, b= ut Gerhard / DK6NI has been monitoring pretty well continuously, and has p= lotted some deep fades / enhancements measured over hours with depths in the= regions of 30dB. Are there any stations in the US in a position to monitor ? =20 Please note that if using the recommended 5meg beacon monitoring software=20= you'll either have to set the delta time to -240 (or -180 or -120) seconds o= r adjust the PC clock by two, three or four minutes to cope with the four mi= nute offset I'm running it on. Andy G4JNT www.g4jnt.com =20 2009/3/6 Andy Talbot I've now started transmitting a timed beacon signal on 503.7kHz that is= identical in format to that of GB3SSS operated over the winter months of th= e last two years from Poldhu on 1.9 and 3.5MHz, and has a similar signal s= tructure to the 5MHz beacons, GB3RAL, WES and ORK. These all have an initia= l CW ident and stepped power levels for aural reception, and a precisely def= ined period of full-power plain carrier for S/N measurements. =20 See http://www.rsgb-spectrumforum.org.uk/5mhz%20beacons.htm for the c= omplete 5MHz signal structure. For this MF transmission, as on GB3SSS, the= pulsed sounder sequence of the 5MHz beacons is replaced with a PSK31 messag= e which lasts from 30s to approx 48 seconds after the start Auto Monitoring software writen by G3PLX is available for monitoring the= se beacons, it measures signal to noise during the carrier period and saves=20= to file as well as plotting the last 40 hours worth of measurements. The software can be downloaded from http://www.rsgb.org/spectrumforum/h= f/beaconauto.php . PSK31 data can be copied with Digipan, Fldigi, PSK31SBW= or a host of other packages. TIMING=20 The 503.7kHz transmission takes place every 15 minutes at 4 minutes past= the quarter hour. =20 ie each transmission starts at xx:04, xx:19, xx:34 and xx:49 This tim= e slot has been selected so that the transmission do not interfere with my c= ontinuous ongoing reception of the 5Mhz beacons - the active antenna used fo= r these is overloaded by the 500kHz signal and I have already lost data when= the WSPR beacon transmission coincided with one of the monitoring windows. NOTE If using the G3PLX software, this only monitors for the three 5MH= z beacons at 00, 01 and 02 minutes. SO IT WILL BE NECESSARY TO FRIG THE SOFTWARE to monitor this transmissi= on at the 04 minute point. The necessary alteration can be done by firstly= setting your PC clock accurately to the correct time, then setting the Trac= k Time box to -240 (minus 240 seconds). This will make the software look fo= r this transmission during the time window it thinks it would be receiving G= B3RAL, and log the MF transmission during the first minute, on the red trace= , as if it were GB3RAL=20 The beacon uses the identical hardware to the WSPR transmissions of the=20= last few weeks, with the the only change being a reprogramming of the contro= ller PIC. In fact the very same hardware was previously loaned to the Pold= hu club for their beacons, with the only difference being a change to the fi= nal Low Pass filter on the output of the broadband PA. ----------------------------------------------------------------------------= ---- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.0.237 / Virus Database: 270.11.13/2001 - Release Date: 03/13/09 0= 5:59:00 ------=_NextPart_000_0049_01C9A4A8.9A593B90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dave, >>> Sample of 5290kc. over last=20 night.<<<
 
Is this  from 5290  or  503.7 ...= .....=20 ??
 
Graham ..
 
 

Sent: Saturday, March 14, 2009 12:08 PM
Cc: 600MRG
Subject: LF: Re: Re: Multi-function beacon

Andy, beacons,
 
Looks like the beacon program is up and running=20 correctly as 5 mhz shows relative sigs and frequency=20 counts.
 
Last night conditions here were very poor for T/= A on=20 600m, even with this broad high pressure area that helped keep the noise dow= n.=20 Even DI2AM was very weak and SM6BHZ did not decode.
 
So I will run it again on you tonight, but I did= see=20 remnanats of what looks like a letter K during the beacon transmission times= =20 from you ( in ARGO QRSS3 )...
 
 
Sample of 5290kc. over last=20 night.
 
2009 03 14 03 00 47.51 39.97 36.06 23.91 0.00 14= 95.70=20 1494.14 0.00
2009 03 14 03 15 34.12 37.03 31.32 23.36 0.00 0.00 0.00=20 0.00
2009 03 14 03 30 33.87 30.14 35.05 29.91 0.00 0.00 0.00 0.00
2009= 03=20 14 03 45 30.91 26.89 26.38 23.12 0.00 0.00 0.00 0.00
2009 03 14 04 00 32.= 25=20 44.39 25.68 24.24 0.00 0.00 1494.14 0.00
2009 03 14 04 15 40.13 39.54 35.= 79=20 24.24 0.00 1495.51 1494.14 0.00
2009 03 14 04 30 44.71 42.47 29.35 30.72=20= 0.00=20 0.00 0.00 0.00
2009 03 14 04 45 33.16 37.11 35.32 23.03 0.00 0.00 0.00=20 0.00
2009 03 14 05 00 48.07 46.44 34.46 25.30 0.00 1495.90 1494.14=20 0.00
2009 03 14 05 15 43.12 47.39 30.40 23.83 0.00 1495.70 1494.14=20 0.00
2009 03 14 05 30 48.13 31.83 37.48 26.50 0.00 1495.70 0.00 0.00
2= 009=20 03 14 05 45 47.11 42.90 37.04 22.88 0.00 1495.90 1494.34 0.00
2009 03 14=20= 06=20 00 28.69 30.99 30.46 23.66 0.00 0.00 0.00 0.00
2009 03 14 06 15 41.04 31.= 09=20 29.58 23.29 0.00 1495.90 0.00 0.00
 
The 'red' station usually seems the strongest on= the=20 graph...
 
TNX
 
Dave @ /17
 
----- Original Message -----
Andy Talbot
Sent: Friday, March 13, 2009 5:57=20 AM
Subject: LF: Re: Multi-function=20 beacon

Just a reminder to all - this beacon is still going, and will probabl= y=20 continue to do so until further notice.   A few listeners have=20 downloaded the software, and thanks to all (you know who your are :-) for=20= the=20 plots / listings.   I am not in a position to compile them, so d= on't=20 expect revelations, but Gerhard  /  DK6NI has been monitoring pr= etty=20 well continuously, and has plotted some deep fades / enhancement= s=20 measured over hours with depths in the regions of 30dB.
 
Are there any stations in the US in a position to monitor=20 ?  
 
Please note that if using the recommended 5meg beacon monitoring soft= ware=20 you'll either have to set the delta time to -240 (or -180 or -120) seconds= or=20 adjust the PC clock by two, three or four minutes to cope with the four mi= nute=20 offset I'm running it on.
 
Andy  G4JNT
2009/3/6 Andy Talbot <andy.g4jnt@goog= lemail.com>
I've now started transmitting a timed  beacon signal on=20 503.7kHz that is identical in format to that of GB3SSS operated ove= r=20 the winter months of the last two years  from Poldhu on 1.9 an= d=20 3.5MHz,  and has a similar signal structure to the 5MHz beacon= s,=20 GB3RAL, WES and ORK.  These all have an initial CW ident=20 and stepped power levels for aural reception, and a precisely=20 defined period of full-power plain carrier for S/N=20 measurements.  
See   http://www.rsgb-spectrumforum.o= rg.uk/5mhz%20beacons.htm =20 for the complete 5MHz  signal structure.  For this MF=20 transmission, as on GB3SSS, the pulsed sounder sequence of the 5MHz beac= ons=20 is replaced with a PSK31 message which lasts from 30s to approx 48=20 seconds after the start
 
Auto Monitoring software writen by G3PLX is available for monitorin= g=20 these beacons, it measures signal to noise during the carrier period and= =20 saves to file as well as plotting the last 40 hours worth of=20 measurements.
The software can be downloaded from  http://ww= w.rsgb.org/spectrumforum/hf/beaconauto.php .  =20 PSK31 data can be copied with Digipan, Fldigi, PSK31SBW or a host of oth= er=20 packages.
 
TIMING
The 503.7kHz transmission takes place every 15 minutes at 4 minutes= =20 past the quarter hour. 
ie each transmission starts at xx:04, xx:19, xx:34 and= =20 xx:49    This time slot has been selected s= o=20 that the transmission do not interfere with my continuous ongoing recept= ion=20 of the 5Mhz beacons - the active antenna used for these is overloaded by= the=20 500kHz signal and I have already lost data when the WSPR beacon transmis= sion=20 coincided with one of the monitoring windows.
 
NOTE   If using the G3PLX software, this=20 only monitors for the three 5MHz beacons at  00, 01 and 02=20 minutes.
SO IT WILL BE NECESSARY TO FRIG THE SOFTWARE=20  to monitor this transmission at the 04 minute=20 point.   The necessary alteration can be done by firstly=20 setting your PC clock accurately to the correct time, then setting=20= the=20 Track Time box to -240 (minus 240 seconds).  This will make the=20 software look for this transmission during the time window it think= s it=20 would be receiving GB3RAL, and log the MF transmission during the f= irst=20 minute, on the red trace, as if it were GB3RAL 
 
The beacon uses the identical hardware to the WSPR transmissio= ns=20 of the last few weeks, with the the only change being=20 a reprogramming of the controller PIC.   In fact the very= =20 same hardware was previously loaned to the Poldhu club for their beacons= ,=20 with the only difference being a change to the final Low Pass filter on=20= the=20 output of the broadband PA.
 


No virus found in this incoming message.
Checked by AVG -=20 www.avg.com
Version: 8.0.237 / Virus Database: 270.11.13/2001 - Release=20 Date: 03/13/09 05:59:00
------=_NextPart_000_0049_01C9A4A8.9A593B90--