Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_50_60,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t1FH4B94002454 for ; Sun, 15 Feb 2015 18:04:11 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1YN2ZY-0001Fu-2r for rs_out_1@blacksheep.org; Sun, 15 Feb 2015 17:01:32 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1YN2ZX-0001Fl-JP for rsgb_lf_group@blacksheep.org; Sun, 15 Feb 2015 17:01:31 +0000 Received: from smtpout3.wanadoo.co.uk ([80.12.242.59] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1YN2ZV-00060Z-Oq for rsgb_lf_group@blacksheep.org; Sun, 15 Feb 2015 17:01:30 +0000 Received: from AGB ([95.145.230.217]) by mwinf5d44 with ME id sh1U1p0044i4qfT03h1UZo; Sun, 15 Feb 2015 18:01:29 +0100 X-ME-Helo: AGB X-ME-Date: Sun, 15 Feb 2015 18:01:29 +0100 X-ME-IP: 95.145.230.217 Message-ID: From: "Graham" To: References: In-Reply-To: Date: Sun, 15 Feb 2015 17:01:28 -0000 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-Scan-Signature: eec106d36eb876515d296e51093c048c Subject: Re: LF: VO1NA Op8 Last Night Content-Type: multipart/alternative; boundary="----=_NextPart_000_0093_01D04941.09D1CA30" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 2352 This is a multi-part message in MIME format. ------=_NextPart_000_0093_01D04941.09D1CA30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Chris=20 There is not very much too it , its evolved over the years , the = latest is a beacon only version, with the dynamic option = supplied on 136 and 477k only , all other bands remain as = opera data mode , should the data decoder fail on 136/477 , = then a secondary correlation detector provides additional -5/-6 = dB sensitivity . The switching point OP8 is round -33 dB depending = on local conditions . Being dynamic , without the web-link , the call sign list are = not maintained ,[ populated by local decodes x 2 the same call ?] = and the web-distributed spots which are 'validated' by the = system are not available , all spots are uploaded to the = psk-map ,, so caution must be used when deciding , if a dynamic = spot is real or false , approximate times are + 1 min for 477 = and + 4 mins for 136 compared to data decodes. in normal use = the system validates the spots , =20 Use wise , =20 Rx is as per any other data mode , audio via sound card , = the cat linked qrg's set USB , but the system works inverted = if need be , s/n is calibrated , average in 2.4 khz b/w . use ssb = filter , narrow filters will degrade the performance=20 Tx , either by audio drive to ssb Tx [ 1500 Hz] or via the = com-port CW keying output , for a CW tx , set qrg to mid = band , replace cw key with a realy or tr switch , when using = audio drive , ensure the ALC is not engaged , or the out put = will have a spike on the leading edge , the fast hf modes are = less of a problem , due to tx rate =20 Cat control tx/rx for most set ups is provided as well as = Transvertor off set is in the application , to correct band = display etc , any outstanding problems, let me know and should = be able to resolve them , =20 73-Graham G0NBD From: Chris=20 Sent: Sunday, February 15, 2015 10:20 AM To: RSGB LF Group=20 Subject: LF: VO1NA Op8 Last Night Copied VO1NA on 477kHz Op8 several times last night between 0014 and = 0447 UTC, rprt ranging from -27db to -32db. Over last couple of days, apart from several UK stations, also copied = F6CNI, SO5AS, PA3ABK, IZ7SLZ and SV8CS. I am surprised at what can be copied considering the local QRM. Can anyone tell me where the operating instructions can be found for = EA5HVK's Opera v1.5.7. please? I have been searching, but can't find it. = The 'Help' doesn't actually appear to be very helpful in this respect. = This is not a criticism, probably just me not looking in the right = place. Thanks. Vy 73, Chris, G4AYT, JO01MI. ------=_NextPart_000_0093_01D04941.09D1CA30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Chris
 
There  is not  very much  too  it ,  its=20 evolved  over the years ,  the  latest  is a =20 beacon  only  version,  with the  dynamic  = option =20 supplied  on 136  and  477k  only ,  all =20 other  bands  remain  as  opera  data  = mode=20 ,  should  the   data  decoder  = fail  on=20  136/477  , then  a  secondary  = correlation =20 detector  provides  additional   -5/-6 dB = sensitivity . The=20 switching  point  OP8  is  round  -33 dB =20 depending  on local  conditions .
 
Being  dynamic , without  the  web-link ,  = the =20 call  sign  list   are  not  = maintained  ,[=20 populated by  local decodes x 2  the same  call ?]=20  and  the  web-distributed  spots  which =20 are  'validated'   by  the  system  = are =20 not  available ,   all  spots  are  = uploaded to=20 the  psk-map ,, so  caution  must  be  = used=20 when  deciding  , if a  dynamic  spot  is  = real  or  false ,  approximate  times  = are  + 1=20 min  for   477  and  + 4 mins  = for =20 136  compared  to  data  decodes. in = normal  use=20 the  system  validates  the  spots , 
 
Use wise , 
 
Rx  is  as  per  any  other  = data =20 mode ,   audio  via  sound  card  , = the  cat=20 linked  qrg's   set  USB ,   but  = the =20 system  works  inverted  if  need  be  , = s/n=20 is  calibrated  , average  in 2.4 khz  b/w . use = ssb =20 filter ,  narrow  filters  will  degrade  = the =20 performance
 
Tx ,   either  by  audio  drive  = to =20 ssb  Tx   [ 1500  Hz]   or  via = the =20 com-port  CW keying  output  ,  for  a =20 CW   tx  , set qrg  to  mid  band ,=20  replace  cw  key  with  a realy  or  = tr=20 switch  , when  using  audio  drive ,  ensure = the =20 ALC is  not engaged  , or the  out  put  = will =20 have a  spike on the  leading  edge ,  the  = fast =20 hf  modes  are  less  of  a  problem = ,  due=20 to  tx  rate 
 
Cat  control  tx/rx  for  most   = set=20 ups  is  provided  as  well as  = Transvertor  =20 off  set is   in the  application , to  = correct =20 band  display etc  ,   any  outstanding  = problems,=20 let me know  and   should be  able to  resolve = them=20 , 
 
73-Graham
G0NBD
 
 
 
 

From: Chris
Sent: Sunday, February 15, 2015 10:20 AM
To: RSGB LF Group
Subject: LF: VO1NA Op8 Last Night

Copied VO1NA on 477kHz Op8 several = times last night=20 between 0014 and 0447 UTC, rprt ranging from -27db to = -32db.
Over last couple of days, apart from = several UK=20 stations, also copied F6CNI, SO5AS, PA3ABK, IZ7SLZ and = SV8CS.
I am surprised at what can be copied = considering=20 the local QRM.
Can anyone tell me where the operating = instructions=20 can be found for EA5HVK's Opera v1.5.7. please? I have been searching, = but can't=20 find it. The 'Help' doesn't actually appear to be very helpful in this = respect.=20 This is not a criticism, probably just me not looking in the right=20 place.
Thanks.
Vy 73,
Chris, G4AYT, = JO01MI.
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