Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-me01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1B30938000086; Sun, 22 Apr 2012 16:24:45 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SM3Ja-0001OY-CR for rs_out_1@blacksheep.org; Sun, 22 Apr 2012 21:23:22 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SM3JY-0001OP-V6 for rsgb_lf_group@blacksheep.org; Sun, 22 Apr 2012 21:23:20 +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 1SM3JV-0002UU-L3 for rsgb_lf_group@blacksheep.org; Sun, 22 Apr 2012 21:23:19 +0100 Received: from AGB ([2.26.29.115]) by mwinf5d12 with ME id 18PE1j0082V18dN038PElH; Sun, 22 Apr 2012 22:23:16 +0200 Message-ID: <85E67D8AF91641FEA69EBEA3D55E3BED@AGB> From: "Graham" To: References: <4813845C7E3B4B6487DB19F8C83086B9@GaryPC> <3E9AEF72E4944B18BB87D25133AFB187@AGB> <1CCF221D62B742E5AA0705B005C8D88F@GaryPC> <9A96CF2EAC05426B8E4116CFA2AE060A@AGB> <42D1D9EB3CBC467B8E91D02E25CFAF5F@GaryPC> In-Reply-To: <42D1D9EB3CBC467B8E91D02E25CFAF5F@GaryPC> Date: Sun, 22 Apr 2012 21:23:14 +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-Antivirus: avast! (VPS 120422-1, 22/04/2012), Outbound message X-Antivirus-Status: Clean 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: Ok G.. That looks technical ! Im just using one of the coils from the WW2 Tx 6 inch x 4 inch BC something as a tapped auto , step up transformer , was a plug in linked centre tapped coil until the cellulose based coil spacers melted , now its a re-hash with perspex and araldite [...] 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: 5f1af248dd5a8f454dd28474590898f1 Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms ! Content-Type: multipart/alternative; boundary="----=_NextPart_000_0106_01CD20CE.20A66520" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_70_80,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY,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-global-disposition: G X-AOL-SCOLL-SCORE: 1:2:491371296:93952408 X-AOL-SCOLL-URL_COUNT: 1 x-aol-sid: 3039ac1d60894f94690d2fdb X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0106_01CD20CE.20A66520 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ok G.. That looks technical ! Im just using one of the coils from the WW2 = Tx 6 inch x 4 inch BC something as a tapped auto , step up = transformer , was a plug in linked centre tapped coil until the = cellulose based coil spacers melted , now its a re-hash with = perspex and araldite=20 That floating primary idea is worth looking at for 500 , but as = my atu is in the out house , and power is fed with 40 ft cable = ..im not sure what part the mains earth plays in the Tx cct , H f = the tuner earth bonded to everything that conducts , same used = for 500 ....... a 1:1 50 ohm balun would break the coax braid ( 90 = feet feed length) , but there is still the power supply for the = tuner , so the earth is back again , there is very little reflected = power on 500 , so something is 'right' but as for RX , its just = too noisey to be any use=20 G.. From: Gary G4WGT=20 Sent: Sunday, April 22, 2012 8:51 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 Graham, Yes, interesting comparisons there....especially Op4H. My 500/136 antenna feed/coupling transformer is wound on a couple of = large toroids. When I change from 500 to 136 I only need to change the = primary & secondary by 2 turns, of course I do add more base loading = inductance for 136kHz. The primary is floating ie. no direct connection from the feed ground to = the antenna ground, that works best for me. (attached) 73, Gary - G4WGT. ----- Original Message -----=20 From: Graham=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, April 22, 2012 8:22 PM Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 OK Gary ,=20 A spectacular launch for the new system by any standard , full = data decode ! Yes , good point , the actual minimum decode level is now = slightly better than the first versions , but OP2 s/n is about = the same as wspr , so that should give a reference as the original = s/n was calibrated using Fldigi and wspr as the benchmark, J = came to the conclusion that the levels where not realistic and = revised the calibration , using the path-sim software.=20 If you subtract 8 dB , is that close to the original level , = if wspr shows -34 dB to Opera ( and Ros) -26 dB for the same = conditions ? OP8 is then -40 dB old money and OP32 is 49 ...=20 Interestingly that makes Opera 4H audio - 55 dB old money = ...=20 Tempted to try 136 as well , I assume , A big series inductor = with the 500 tuner set up would bring everything into resonance = ... or at least be a starting point ?.......but what of the auto = feed transformer , if thats non reactive , then the frequency = should not change the 50 ohm Tx view ?? 73 -G..=20 The eating of the pudding is in the proof as they say after = 2200 hrs , the first TA decode was OP8 @ 3667 K , using a = Parasol-on-a-Stick MK1 back garden array Tx Ae=20 = http://groups.yahoo.com/group/O_P_E_R_A_/photos/album/2031588689/pic/7820= 98276/view?picmode=3D&mode=3Dtn&order=3Dordinal&start=3D1&count=3D20&dir=3D= asc From: Gary G4WGT=20 Sent: Sunday, April 22, 2012 7:03 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 Graham, LF, I have omitted the December 2011 decode of VO1MRC on 136kHz with Op8 = in the other direction giving a distance of 3667km. Of course conditions would be very good then, not able to compare the = -20dB S/N due to changes in the way it is now calculated. 73, Gary - G4WGT. ----- Original Message -----=20 From: Gary G4WGT=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, April 22, 2012 6:42 PM Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 Graham, I bet your ears are still frying bacon & rattling morse out :-) Probably will be Op32, my nearest to that in Op8 is... 20:51 136 RW3ADB Op8 -34 dB 2553 km ..........-34dB being about the limit of Op8 73, Gary - G4WGT. Original Message -----=20 From: Graham=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, April 22, 2012 4:39 PM Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 OK ,still recovering from listening to white noise for 6 = hours last night , once a year is enough of this modern CW , = vintage MGM-CW is far less of a frazzle =20 Assume that was OP32 at that range ? Tnx -G. From: Gary G4WGT=20 Sent: Sunday, April 22, 2012 3:17 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20 Graham, Just a slight correction :- >and check the 'spots only from' box, Should read.....and un-check the "All Spots" box, you will then = have a local copy of band data. 73, Gary - G4WGT. ----- Original Message -----=20 From: Graham=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, April 22, 2012 2:24 PM Subject: LF: UA4WPF G8HUH 2200m 3615 kms !=20 All, Opera 136 Up Date =20 Following on from the previous, some interesting = developments , on 136 , If your station is web-linked , then in = either Rx only , Tx only or Tx/Rx you will show on the = PSK-Reporting map, this was set to ensure the status of both Tx = and Rx stations was available to all. after all one is no use = without the other ! As there is still no 'dedicated storage' for the on-line = data , If you wish to monitor activity on a particular band , you = can simply run Opera , set to the required band and check the = 'spots only from' box , you will then have a local copy of band = data . some stations have added text to the beacon 'test only - = no RF' or similar to prevent misinterpretation.=20 NB : These are full DATA call sign decodes , so are the = bare minimal exchange required to claim a qsl or qso for 1 or = 2 way , Opera is purely based on Data processing and Digital signal = processing and has 'no' deep search or fuzzy logic decisions to = assist in the data recovery , similarly for the QSO option, = allowing 15 Chrs to be send in 120 seconds at a nominal -20 dB = s/n (ref to Sim-Path simulation software)=20 UA4WPF decoded by G8HUH 2200m OPERA 3615 kms 00:39:25=20 This seems to be OP32 mode , but monitoring stations can = run 'two' opera sessions , from the same sound card/pc , set OP8 = and OP32=20 JH1GVY JH1INM 2200m OPERA 153 kms 02:03:37=20 JH1GVY recent Tx addition to the JA group of 8 136 = beacons regularly showing on the psk map From VK2DDI by VK2DDI Loc QF55HF Welcome activity from down under=20 Decodes over 24 hours=20 Txmtr Rcvr Band Mode Distance Time (UTC)=20 UA4WPF G8HUH 2200m OPERA 3615 kms 00:39:25=20 UA4WPF UA0SNV-1 2200m OPERA 2890 kms 21:19:52=20 UA0AET UA4WPF 2200m OPERA 2402 kms 18:33:09=20 UA4WPF RW3ADB 2200m OPERA 986 kms 00:39:21=20 UA4WPF RN3AGC 2200m OPERA 973 kms 00:39:02=20 JH1GVY JH1INM 2200m OPERA 153 kms 02:03:37=20 JH1GVY JF1PSS 2200m OPERA 104 kms 02:03:35=20 JH1GVY 7L1RLL/1 2200m OPERA 102 kms 02:03:35=20 JP1ODJ JH1INM 2200m OPERA 83 kms 02:37:16=20 JH1GVY JA8SCD 2200m OPERA 83 kms 02:03:36=20 JH1GVY JP1ODJ 2200m OPERA 72 kms 03:33:09=20 JP1ODJ 7L1RLL/1 2200m OPERA 46 kms 02:24:04=20 JP1ODJ JA8SCD 2200m OPERA 43 kms 22:17:03=20 JP1ODJ JH1ARY 2200m OPERA 37 kms 02:37:17=20 JP1ODJ JF1PSS 2200m OPERA 35 kms 02:37:15=20 RN3AGC RW3ADB 2200m OPERA 32 kms 23:04:32=20 ------=_NextPart_000_0106_01CD20CE.20A66520 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ok G..
 
That looks  technical ! Im just  using  one of = the =20 coils from the WW2    Tx  6 inch  x 4  = inch=20    BC  something as a  tapped  auto , = step=20 up transformer  , was a  plug in  linked  = centre=20 tapped  coil  until  the  cellulose  = based =20 coil  spacers  melted  , now its a  re-hash  = with=20 perspex and  araldite
 
That  floating  primary idea  is  worth  = looking=20 at  for  500  , but  as my  atu  is  = in=20 the  out  house  , and power is fed  with 40  = ft =20 cable ..im not sure  what  part the mains  earth =20 plays  in the  Tx  cct , H f  the  tuner =20 earth  bonded  to  everything that  conducts , = same =20 used  for  500 ....... a 1:1  50  ohm  balun=20 would  break the  coax braid ( 90 feet feed length)  =   ,=20 but  there is  still  the  power supply for  = the =20 tuner , so  the  earth is back again , there is very = little =20 reflected  power on 500  , so  something  is = 'right' =20 but  as for  RX , its  just too  noisey  to = be =20 any  use
 
G..
 
 

From: Gary G4WGT
Sent: Sunday, April 22, 2012 8:51 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20

Graham,
 
Yes, interesting comparisons there....especially = Op4H.
 
My 500/136 antenna feed/coupling transformer is = wound on a=20 couple of large toroids. When I change from 500 to 136 I only need to = change the=20 primary & secondary by 2 turns, of course I do add more base=20 loading inductance for 136kHz.
 
The primary is floating ie. no direct connection = from the=20 feed ground to the antenna ground, that works best for me.=20 (attached)
 
73, Gary - G4WGT.
 
 
----- Original Message -----
From:=20 Graham
Sent: Sunday, April 22, 2012 = 8:22=20 PM
Subject: Re: LF: Re: UA4WPF = G8HUH 2200m=20 3615 kms !

OK Gary ,
 
A spectacular  launch for the  new system by  = any =20 standard , full data decode  !
 
Yes , good  point , the  actual  minimum = decode level=20 is  now  slightly  better  than the  = first =20 versions , but  OP2  s/n is  about the same as  = wspr ,=20 so  that should give  a reference  as  the =20 original  s/n  was  calibrated  using  =20 Fldigi  and wspr  as  the  benchmark, J  came = to  the  conclusion that  the  levels where =20 not  realistic and  revised the  calibration , = using =20 the  path-sim   software.
 
If  you  subtract   8 dB ,  is = that  close=20 to the  original   level  , if =20 wspr  shows   -34 dB  to  Opera ( and=20 Ros)    -26  dB for the  same  = conditions=20 ?  OP8 is then  -40 dB   old money  and  = OP32  is  49 ...
 
Interestingly   that  makes   = Opera =20 4H   audio  - 55 dB  old money ...
 
Tempted to  try  136  as well , I assume , A = big =20 series  inductor with the  500  tuner  set = up =20 would  bring  everything  into  resonance ... = or at=20 least  be a  starting  point ?.......but  = what  of=20 the  auto  feed  transformer  , if  = thats =20 non  reactive , then  the  frequency  should  = not  change the  50 ohm  Tx  view  ??
 
73 -G..
 
The  eating  of the  pudding  is  in = the =20 proof as they say  after  2200 hrs , the  first = TA =20 decode  was  OP8   @  3667 K  ,=20 using  a Parasol-on-a-Stick   MK1  back = garden=20 array  Tx  Ae
 
http://groups.yahoo.com/group/O_P_E_R_= A_/photos/album/2031588689/pic/782098276/view?picmode=3D&mode=3Dtn&am= p;order=3Dordinal&start=3D1&count=3D20&dir=3Dasc

From: Gary G4WGT
Sent: Sunday, April 22, 2012 7:03 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20

Graham, LF,
 
I have omitted the December = 2011 decode of=20 VO1MRC on 136kHz with Op8 in the other direction giving a distance of=20 3667km.
 
Of course conditions would be very good then, = not able=20 to compare the -20dB S/N due to changes in the way it = is now=20 calculated.
 
73, Gary - G4WGT.
 
----- Original Message -----
From:=20 Gary=20 G4WGT
To: rsgb_lf_group@blacksheep.org= =20
Sent: Sunday, April 22, 2012 = 6:42=20 PM
Subject: Re: LF: Re: UA4WPF = G8HUH 2200m=20 3615 kms !

Graham,
 
I bet your ears are still frying bacon=20 & rattling morse out :-)
 
Probably will be Op32, my nearest to that in = Op8=20 is...
 
20:51 = 136 RW3ADB Op8=20 -34 dB 2553 km

..........-34dB being about the limit of = Op8

73, Gary -=20 G4WGT.

 
 
Original Message -----
From:=20 Graham
To: rsgb_lf_group@blacksheep.org= =20
Sent: Sunday, April 22, = 2012 4:39=20 PM
Subject: Re: LF: Re: UA4WPF = G8HUH=20 2200m 3615 kms !

OK ,still  recovering  from  listening = to  white=20 noise for  6  hours  last night  , once a = year =20 is  enough  of this  modern   = CW , =20 vintage  MGM-CW   is far less  of a  = frazzle=20    
 
Assume that  was  OP32  at that  = range =20 ?
 
Tnx -G.
From: Gary G4WGT
Sent: Sunday, April 22, 2012 3:17 PM
Subject: LF: Re: UA4WPF G8HUH 2200m 3615 kms !=20

Graham,
 
Just a slight correction :-
 
>and check the 'spots only from'=20 box,
 
Should read.....and un-check the "All = Spots" box,=20 you will then have a local copy of band data.
 
73, Gary - G4WGT.
 
 
 
 
----- Original Message ----- =
From:=20 Graham
To: rsgb_lf_group@blacksheep.org= =20
Sent: Sunday, April 22, = 2012 2:24=20 PM
Subject: LF: UA4WPF G8HUH = 2200m=20 3615 kms !

All,
 
Opera  136 Up Date 
 
Following  on from the  previous, some =20 interesting   developments , on 136 , If your =20 station  is  web-linked  , then  in=20 either   Rx  only  , Tx  only =20 or   Tx/Rx  you   will  show  = on=20 the   PSK-Reporting  map, this  was  = set=20 to  ensure  the  status of both  Tx  = and =20 Rx  stations  was  available to  all. after=20 all  one  is no  use without the  other = !
 
As  there  is  still  no  = 'dedicated=20 storage'  for the  on-line  data , If you =20 wish  to  monitor  activity on a  = particular =20 band , you  can  simply  run Opera , set to=20 the  required  band and  check the  'spots = only=20 from'   box ,  you  will  then  = have=20 a  local  copy of  band  data . =20 some  stations  have  added   text to = the =20 beacon 'test only - no RF'  or  similar to  = prevent=20 misinterpretation.
 
NB :  These are  full  DATA call sign  = decodes=20 , so  are  the  bare  minimal  = exchange =20 required  to  claim a  qsl  or  qso = for =20 1  or 2  way , Opera  is  purely based on = Data=20 processing  and  Digital signal processing and = has=20 'no'   deep search  or fuzzy  logic  = decisions=20 to   assist in the data  recovery ,=20 similarly  for the  QSO  option,   = allowing=20 15  Chrs  to  be  send in 120 seconds = at =20 a  nominal  -20 dB s/n   (ref to  = Sim-Path=20 simulation  software)
 
 
UA4WPF  decoded  by   G8HUH 2200m = OPERA=20 3615 kms 00:39:25
 
This seems to  be  OP32  mode , = but =20 monitoring  stations  can  run   = 'two' =20 opera  sessions  , from the  same  sound = card/pc ,=20 set  OP8  and  OP32
 
JH1GVY JH1INM 2200m OPERA 153 kms 02:03:37
 
JH1GVY   recent  Tx  addition to = the =20 JA  group  of  8   136   beacons = regularly=20 showing  on the  psk map
 
 
From VK2DDI by VK2DDI Loc = QF55HF
 
 
Welcome activity from  down under
 
Decodes  over  24  hours
 
Txmtr Rcvr Band Mode Distance Time (UTC) UA4WPF G8HUH 2200m OPERA 3615 kms 00:39:25 UA4WPF UA0SNV-1 2200m OPERA 2890 kms 21:19:52 UA0AET UA4WPF 2200m OPERA 2402 kms 18:33:09 UA4WPF RW3ADB 2200m OPERA 986 kms 00:39:21 UA4WPF RN3AGC 2200m OPERA 973 kms 00:39:02 JH1GVY JH1INM 2200m OPERA 153 kms 02:03:37 JH1GVY JF1PSS 2200m OPERA 104 kms 02:03:35 JH1GVY 7L1RLL/1 2200m OPERA 102 kms 02:03:35 JP1ODJ JH1INM 2200m OPERA 83 kms 02:37:16 JH1GVY JA8SCD 2200m OPERA 83 kms 02:03:36 JH1GVY JP1ODJ 2200m OPERA 72 kms 03:33:09 JP1ODJ 7L1RLL/1 2200m OPERA 46 kms 02:24:04 JP1ODJ JA8SCD 2200m OPERA 43 kms 22:17:03 JP1ODJ JH1ARY 2200m OPERA 37 kms 02:37:17 JP1ODJ JF1PSS 2200m OPERA 35 kms 02:37:15 RN3AGC RW3ADB 2200m OPERA 32 kms 23:04:32
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