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[195.171.43.25]) by mx.google.com with ESMTP id nw5si1828328lbb.86.2013.10.18.12.20.58 for ; Fri, 18 Oct 2013 12:20:58 -0700 (PDT) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VXFZx-0000Fv-KH for rs_out_1@blacksheep.org; Fri, 18 Oct 2013 20:19:21 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VXFZw-0000Fm-Ru for rsgb_lf_group@blacksheep.org; Fri, 18 Oct 2013 20:19:20 +0100 Received: from smtpout1.wanadoo.co.uk ([80.12.242.29] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VXFZu-0001AP-IM for rsgb_lf_group@blacksheep.org; Fri, 18 Oct 2013 20:19:19 +0100 Received: from AGB ([95.145.208.175]) by mwinf5d09 with ME id ejKG1m00m3nbvyP03jKHPQ; Fri, 18 Oct 2013 21:19:17 +0200 Message-ID: From: "Graham" To: References: <000701cecb29$d06ee7f0$6401a8c0@JAYDELL> <2A50C7B96485434983B3AFAD5AC1432F@AGB> <1382118806.496011265@f276.i.mail.ru> In-Reply-To: Date: Fri, 18 Oct 2013 20:19:16 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. 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: Things that go bump (beep) in the night Changing from OP8 to OP4 would mean changing the software to the 470 band at the Rx and Tx But Alex is suggesting the Op4Hour , audio band mode , that needs a higher stability than 32/64 , but with a locked 136 system should not be a problem , that would make a 4 hour data file to post process ! [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.29 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 6ae5fe68d6708d1e4a9cbdf0f0af43e5 Subject: Re: LF: Re[2]: T/A OPDS DK7FC Content-Type: multipart/alternative; boundary="----=_NextPart_000_00FE_01CECC3F.51D606F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,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 Status: O X-Status: X-Keywords: X-UID: 2718 This is a multi-part message in MIME format. ------=_NextPart_000_00FE_01CECC3F.51D606F0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Things that go bump (beep) in the night =20 Changing from OP8 to OP4 would mean changing the software to = the 470 band at the Rx and Tx =20 But Alex is suggesting the Op4Hour , audio band mode , that = needs a higher stability than 32/64 , but with a locked 136 = system should not be a problem , that would make a 4 hour data = file to post process ! Stefan ran a op4 over night on 477 last year and made a good plot = of the path to Shetland 800 miles , with a significant drop = early morning, at -30/-33 he should decode during the TA window , all in the = call of science and N number of decodes , where N=3D Big number = ) 73 -G, =20 From: Markus Vester=20 Sent: Friday, October 18, 2013 7:17 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re[2]: T/A OPDS DK7FC Hi Graham, Alex, I'm not sure if I'd be happy about a strong signal, like that from = Stefan, being hard-keyed once a second throughout the night... In any = case, as far as I know, there are a few LF receivers set up for Op-8, = but none for Op-4 so far. In my opinion, if we are really interested in quantitative propagation = and fading patterns, plotting utility stations like DCF39 or HGA22 is = the way to go. Just my 0.5 Renminbi's worth... Best 73, Markus (DF6NM) From: Alex R7NT=20 Sent: Friday, October 18, 2013 7:53 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re[2]: T/A OPDS DK7FC Graham, you wrote 18.10.2013, 20:23 MSK(GMT+4h): >Both ROS Hf/Mf data modes and Opera , s/n measurements use the path-sim = simulator as the calibration reference , which is higher than the levels = >produced by fldigi / wspr etc , ie transmission needs less power to = give the same db level=20 >May be Stefan could run OP4 on 136 at 100% duty cycle for one session , = that would give the first 'real' qsb profile of the TA path with a delta = T of 240 >seconds ? >(but give some warning if it happens !) >73-G,=20 >http://www.moetronix.com/ae4jy/pathsim.htm I can give OP4H on 136, but is not sure that somebody will RX me on the = other side of Atlantic now. Besides, I need to TX at freq 136900 - 136925 (RX 136000 USB dial) or I'm mistaken(?) 73! Alex R7NT 136.73.ru ------=_NextPart_000_00FE_01CECC3F.51D606F0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Things that  go  bump  (beep) in the  = night =20
 
Changing  from  OP8   to  OP4  =20 would  mean  changing  the  software  to =20 the  470  band  at the  Rx and  Tx 
 
But  Alex is  suggesting  the   = Op4Hour  ,=20 audio  band  mode  , that  needs  a = higher =20 stability  than  32/64  , but  with a  = locked =20 136  system should  not  be a  problem  ,  = that  would  make  a  4 hour data  file  = to=20 post  process  !
 
Stefan ran  a   op4  over night  on 477 = last=20 year  and made a good  plot  of the  path  = to =20 Shetland  800  miles  , with a  = significant  =20 drop  early morning,
at -30/-33   he should  decode  during=20 the  TA window , all  in the  call  of  = science=20 and  N  number  of  decodes  , = where  N=3D=20 Big  number  )
 
73 -G,  

Sent: Friday, October 18, 2013 7:17 PM
Subject: Re: LF: Re[2]: T/A OPDS DK7FC

Hi Graham, Alex,
 
I'm not sure if I'd be happy about = a strong=20 signal, like that from Stefan, being hard-keyed once a = second throughout=20 the night... In any case, as far as I know, there are a few =20 LF receivers set up for Op-8, but none for Op-4 so=20 far.
 
In my opinion, if we are really = interested in=20 quantitative propagation and fading patterns, plotting utility stations = like=20 DCF39 or HGA22 is the way to go. Just my 0.5 Renminbi's=20 worth...
 
Best = 73,
Markus = (DF6NM)

From: Alex R7NT
Sent: Friday, October 18, 2013 7:53 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: LF: Re[2]: T/A OPDS DK7FC

Graham,

you wrote 18.10.2013, 20:23 MSK(GMT+4h):

>Both ROS Hf/Mf data modes and Opera , s/n measurements use the = path-sim=20 simulator as the calibration reference , which is higher than the levels = >produced by fldigi / wspr etc , ie transmission needs less power to = give the=20 same db level

>May be Stefan could run OP4 on 136 at 100% = duty cycle=20 for one session , that would give the first 'real' qsb profile of the TA = path=20 with a delta T of 240 >seconds ?

>(but give some warning if = it=20 happens !)

>73-G,=20

>http://www.moetronix.com/ae4jy/pathsim.htm


I can give OP4H on 136, but is not sure that somebody will RX me = on the=20 other side of Atlantic now.
Besides, I need to TX at freq 136900 - = 136925 (RX=20 136000 USB dial)
or I'm mistaken(?)

73! Alex R7NT 136.73.ru

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