Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 6FEA438000096; Thu, 31 May 2012 14:27:03 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SaA4N-0003no-UM for rs_out_1@blacksheep.org; Thu, 31 May 2012 19:25:59 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SaA4M-0003nf-Vk for rsgb_lf_group@blacksheep.org; Thu, 31 May 2012 19:25:58 +0100 Received: from smtpout4.wanadoo.co.uk ([80.12.242.68] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SaA4A-0004gL-9L for rsgb_lf_group@blacksheep.org; Thu, 31 May 2012 19:25:57 +0100 Received: from AGB ([2.26.29.89]) by mwinf5d49 with ME id GiRf1j00B1vMfqS03iRfDe; Thu, 31 May 2012 20:25:44 +0200 Message-ID: <97F0E98E40814C45B796CFAF1351D46C@AGB> From: "Graham" To: References: <8BE4322932454ABBAF36917E7F0B7293@uwePC> <02bb01cd3eb1$c4cb1730$1502a8c0@Clemens04> <1338444302.19906.YahooMailNeo@web171605.mail.ir2.yahoo.com> <18D068A53AF74F56BF8AFDCCAB65CC62@AGB> <1338488029.92944.YahooMailNeo@web171606.mail.ir2.yahoo.com> In-Reply-To: <1338488029.92944.YahooMailNeo@web171606.mail.ir2.yahoo.com> Date: Thu, 31 May 2012 19:25:36 +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 120531-0, 31/05/2012), 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 Pete, Well if your set up on a different frequency , if you have a date/ time for a transmission, stations can re tune , all we need to know is the carrier frequency, then can work out the correct dial frequency for RX ...... would give you a idea as to your coverage .... thats if you can on/off key the carrier , or is the beacon pic contolled, which case , may be the code change would be the most simple option ? [...] 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 [80.12.242.68 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: fd602cb6e590f22078c028d8c1705b1f Subject: Re: LF: 475 kc Exiter Content-Type: multipart/alternative; boundary="----=_NextPart_000_006B_01CD3F63.28B4C460" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_30_40,HTML_FONT_BIG, 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-global-disposition: G X-AOL-SCOLL-SCORE: 1:2:472896480:93952408 X-AOL-SCOLL-URL_COUNT: 1 x-aol-sid: 3039ac1d60ce4fc7b7f6282f 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_006B_01CD3F63.28B4C460 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Ok Pete, Well if your set up on a different frequency , if you have a = date/ time for a transmission, stations can re tune , all we need = to know is the carrier frequency, then can work out the correct = dial frequency for RX ...... would give you a idea as to = your coverage .... thats if you can on/off key the carrier , or = is the beacon pic contolled, which case , may be the code change = would be the most simple option ? Should not need much over 10 watts ? you should find 1 watt = enough with that size of Ae=20 Not used the PIC code facility in the software , but it will = encode your call-sign for Tx , I think Eddie uses it for his = qrpp beacon, should be able to give you pointer if need be , = Andy also uses it for his LF/MF beacon=20 73 -G.. From: M0FMT=20 Sent: Thursday, May 31, 2012 7:13 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: 475 kc Exiter Hi Graham I will digest your mail and thanks for so much info. I have a beacon = that runs on 500kc/s it is not in the Opera band. It is currently at = about 10Watts O/P to an inverted "L" up about 35ft x 128ft lng, running = QRSS and 12WPM. Clearly seen on the Birmingham Grabber when on. = Initially my plan is to run Opera base upon your information. The = operating times will be dependent upon Internet usage here and reports. = I will also QSY to the Opera frequency in due course. Now you have = confirmed it is not a linear mode I will commit my lap top for a period = of time to Opera operation and increase power to 40Watts +/-. If I can = get a HEX code for a PIC then it will be on Opera more often. I will let you know the progress. Once again thanks for the info to date. 73 es GL Pete M0FMT IO91UX From: Graham To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, 31 May 2012, 17:20 Subject: Re: LF: 475 kc Exiter R Pete ! I think the answer is 42 ! There is a user group > http://groups.yahoo.com/group/O_P_E_R_A_/, = Open to all to view , with pdf in the files section outline the = data coding of the mode.=20 There is a good user guide/ intro at = http://www.obriensweb.com/operaguide.html Keying is designed round the characteristics of a CW = transmitter ,=20 There are TWO conventional and ONE Pic methods of controlling a = transmitter ,=20 A) By using the COM-Port CW keying , by way of transistor = switch , to key the Tx as per normal CW B) By audio drive from the sound-card , to SSB exciter , = producing on/off single frequency carrier. C) The windows software has a PIC code generator , that may be = used to control a PIC based 'Beacon system'=20 There is no PIC provision for the decoding of the signals=20 Transmission is by way of ON-OFF keying of a single carrier = frequency ..clever On/Off keying Magic ! Decode is possible with up-to 50% data loss , the loss can be = randomly along the TX time line , the S/N reading is calibrated = against the Sim-Path software and shows 6 dB less than wspr or = fldigi , i.e -20 s/n Opera decode , would be -26 dB using wspr = , however , the S/N is the average along the time line and not = the peak value=20 At the moment , there is no 'dedicated' data server , however the = PSK-Reporting system is able to down load data as a log-file. ( = still looking for some one to have a go at making one ) There is no need for internet linking or time locking to operate = the system , the internet provider's the distribution of the = decode data and TX beacon's are also distributed via the internet = to alert of activity. =20 Tx and Rx stations with web linking are displayed on the psk-map = as are decodes of -NON- web linked TX stations=20 The operating frequency's are defined as 'Dial set USB' , = change of mode , also changes the TX frequency , so if using = VFO/DDS etc , the correct off set must be added to ensure the = signal falls in the RX pass band ,=20 When using the windows based software , the TX carrier frequency = is placed in the lowest s/n area of the pass band , by a = scanning routine , active during reception , this is to prevent = collisions of TX's and to avoid heterodynes and other carrier = based band users. QSO mode is able to send 15 chrs using the same encoded data = system and is a live keyboard data mode. Data recovery (local) is only by cut and paste at the moment. =20 Op is the first 'Plug and Play' data / beacon mode , just = unplug the mores key and play away hihi=20 73 -G..=20 From: M0FMT=20 Sent: Thursday, May 31, 2012 7:05 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: 475 kc Exiter Hi Graham Is there any proper documentation for this Opera stuff? Like description = of the method of Keying and how the logging system works. How do you get = qso data off the application other than screen dumps which seems a bit = crude. There are software buttons but they don't all work as advertised. Can you tell me where the full documentation is kept? Can you tell me the Keying principle? I have not put the PC SC output on = the scope but there must be an easier way to get at the info. Is it FSK = or Phase shift or some clever On/Off keying or Magic? Is there a web data base or is the screen info just a one shot? Do I need an Internet connection during Beacon or QSO ing? With my = issues concerning Good Old BT and their 19th century technology, rusty = copper and wet string, in the far flung out posts of North Hertfordshire = that can't be done, so does that preclude full use of this system. Or is it all a secret and one has to dig into the application? Info in = README is sparse. Has there been any projects to put this application of PIC processor for = say TX Beacon mode? Or RX for that matter? There are more questions but any help would be of interest. Now that I = have managed to probably defeat BTs best efforts to keep me off 500kc/s = I would like to explore this mode a bit more. Thanks. 73 es GL Pete M0FMT IO91UX From: Graham To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, 31 May 2012, 0:02 Subject: Re: LF: 475 kc Exiter TX500 is not supporting WSPR or Opera Opera is a single frequency on/off CW key replacement mode , if it = can=20 send CW or QRSS , then it can send Opera via the com-port keying = facility, as many of the MF/LF stations are so doing. WSPR on the other hand is FSK based and requires , either audio>Rf=20 translation or DDS excitation , each has its own uses , the design=20 requirement / concept of Opera was a 'Data mode' ' To be sent = via a=20 normal CW Tx' G.. -------------------------------------------------- From: "Clemens Paul" Sent: Wednesday, May 30, 2012 11:15 PM To: Subject: Re: LF: 475 kc Exiter > Uwe, > > here an Email from Juma from 2/2012 1regarding further developments: > >>Hello Clemens, >>Thanks for your interest in JUMA TX500. >>TX500 is not supporting WSPR or Opera. We will consider new transmit = modes=20 >>in the future. > > 73 > Clemens > DL4RAJ > > ----- Original Message -----=20 > From: "Warren Ziegler" > To: > Sent: Wednesday, May 30, 2012 7:45 PM > Subject: Re: LF: 475 kc Exiter > > > Uwe, > > The Juma 500 is a FB little transmitter, lots of built-in features > (synthesizer, keyer, swr bridge, receive preselector, receive > converter) in a very small package. It is capable of more than 60W > out, I have run it with 15vdc (which is in-spec) and with a 30 ohm or > so antenna impedance you can get 100W out all day and all night with > no complaints. > > 73 Warren K2ORS > > > On Sun, May 27, 2012 at 3:39 AM, Uwe Wensauer = wrote: >> What do You think about the JUMA TX500 TransmitterI >> >> In my eyes a small Rig with 60 Watt and built in Converter. >> >> By the way, have a look at the filters in use =E2=80=93 easy to built = an=20 >> duplicate >> >> Uwe, dk1kq > > > > --=20 > 73 Warren K2ORS > WD2XGJ > WD2XSH/23 > WE2XEB/2 > WE2XGR/1 > > > > ----- > E-Mail ist virenfrei. > Von AVG =C3=BCberpr=C3=BCft - www.avg.de > Version: 2012.0.2178 / Virendatenbank: 2425/5033 - Ausgabedatum:=20 > 30.05.2012 > > >=20 ------=_NextPart_000_006B_01CD3F63.28B4C460 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Ok Pete,
 
Well  if your  set up on a  different  = frequency =20 , if you  have a  date/ time   for a  = transmission,=20 stations can  re tune  , all  we  need  = to =20 know  is the  carrier  frequency, then  can  = work out=20 the  correct  dial  frequency  for  RX =20 ......   would  give  you  a  = idea =20 as to  your  coverage  ....  thats  if = you  can=20 on/off  key  the  carrier , or  is the  beacon=20 pic  contolled, which  case , may be  the  = code =20 change  would be the  most  simple  option ?
 
Should  not  need  much  over  10 = watts =20 ?   you  should  find  1 watt enough  = with =20 that  size of  Ae
 
Not  used the  PIC  code  facility  in = the =20 software  , but  it  will  encode  your =20 call-sign   for  Tx  , I think  Eddie  = uses=20 it  for  his qrpp  beacon, should  be  able = to =20 give  you  pointer  if  need  be  , = Andy also=20 uses  it  for  his LF/MF beacon
 
73 -G..

From: M0FMT
Sent: Thursday, May 31, 2012 7:13 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: 475 kc Exiter

 
Hi Graham
 
I will digest your mail and thanks for so much info. I have a = beacon=20 that runs on 500kc/s it is not in the Opera band. It is currently at = about=20 10Watts O/P to an inverted "L" up about 35ft x 128ft lng, running QRSS and=20 12WPM. Clearly seen on the Birmingham Grabber when on. Initially my plan = is to=20 run Opera base upon your information. The operating times will be = dependent=20 upon Internet usage here and reports. I will also QSY to the Opera frequency in due course. Now you = have=20 confirmed it is not a linear mode I will commit my lap top for a period = of time=20 to Opera operation and increase power to 40Watts +/-. If I can get a HEX = code=20 for a PIC then it will be on Opera more often.
 
I will let you know the progress.
 
Once again thanks for the info to date.

73 es GL Pete M0FMT = IO91UX
From: Graham=20 <g8fzk@g8fzk.fsnet.co.uk>
To: rsgb_lf_group@blacksheep.org=20
Sent: Thursday, 31 = May 2012,=20 17:20
Subject: Re: = LF: 475 kc=20 Exiter

R  Pete !
 
I think the  answer is  42  !
 
There is a  user group  >  http://groups.yahoo.com/group/O_P_E_R_A_/,  = ; =20 Open to  all  to  view , with  pdf in the  files section  outline =  the =20 data  coding of the  mode. 
 
There is a  good  user guide/ intro   = at   http://www.obriensweb.com/operaguide.html
 
Keying  is   designed  round  the =20 characteristics  of a  CW  transmitter ,
 
There  are  TWO conventional  and = ONE    Pic=20   methods of  controlling a transmitter  ,
 
A)    By  using the  = COM-Port  =20 CW  keying  , by way of   transistor  = switch  ,=20 to  key  the  Tx =20 as  per  normal CW
 
B)    By  audio  drive  from = the =20 sound-card , to  SSB  exciter ,=20 producing  on/off  single  frequency carrier.
 
C)    The  windows  software  = has=20 a  PIC code  generator , that  may  be used to  = control  a  PIC based  'Beacon system'
 
 
There  is  no  PIC provision  for the =20 decoding  of the  signals
 
Transmission  is  by  way of   ON-OFF = keying =20 of a  single  carrier  frequency ..clever On/Off keying = Magic=20 !
 
Decode is possible  with  up-to  50% data  = loss  ,=20 the loss  can  be  randomly  along the  TX = time =20 line , the  S/N   reading  is  calibrated  = against=20 the   Sim-Path software  and shows  6 dB  less=20 than  wspr  = or  fldigi   ,  = i.e   -20=20 s/n  Opera decode  , would be  -26 dB  using  = wspr  , however , the  = S/N is =20 the  average  along the  time  line  and not = the =20 peak  value
 
At the moment  , there  is  no  = 'dedicated' =20 data  server  , however the  PSK-Reporting  system  is able to  = down=20 load  data  as a  log-file. ( still looking  = for  some=20 one to have a  go at  making one )
 
There is  no  need  for  internet linking  or  time  locking = to =20 operate  the  system  ,  the  internet provider's  the  = distribution  of=20 the  decode data  and  TX beacon's  are  = also =20 distributed  via the  internet=20 to  alert of  activity.   
 
Tx  and  = Rx =20 stations  with  web linking  are  displayed on the = psk-map  as  are  = decodes=20 of  -NON-   web linked TX  stations
 
The  operating  frequency's  are  defined  = as  'Dial  set  USB' =20 , change of  mode  , also  changes the  TX = frequency ,=20 so  if using  VFO/DDS  etc=20 ,  the  correct  off  set  must  be =20 added  to  ensure  the  signal  falls  in=20 the  RX pass band ,
 
When  using the  windows  based  software , = the =20 TX carrier  frequency is placed  in the  lowest  = s/n =20 area  of the   pass  band  , by a  =20 scanning  routine  , active  during reception , = this =20 is  to  prevent  collisions of  TX's  and to  avoid  heterodynes   and  other =20 carrier  based  band  users.
 
QSO mode  is  = able to send=20 15 chrs using the  = same =20 encoded  data  system and is a live  keyboard  = data =20 mode.
 
Data  recovery  (local) is only  by  cut  = and=20 paste  at the  moment.   
 
Op is  the  first  'Plug and Play'   = data  /=20 beacon  mode  ,   just unplug the  mores key = and =20 play   away   hihi=20
 
73 -G..
 
 
 
 
 

From: M0FMT
Sent: Thursday, May 31, 2012 7:05 AM
To: rsgb_lf_group@blacksheep.= org=20
Subject: Re: LF: 475 kc Exiter

Hi Graham
Is there any proper documentation for this Opera stuff? Like=20 description of the method of Keying and how the logging system works. = How do you=20 get qso data off the = application other=20 than screen dumps which seems a bit crude. There are software buttons = but they=20 don't all work as advertised.
 
Can you tell me where the full documentation is = kept?
Can you tell me the Keying principle? I have not put the PC = SC output=20 on the scope but there must be an easier way to get at the info. Is it = FSK or Phase shift or some clever = On/Off keying=20 or Magic?
Is there a web data base or is the screen info just a one=20 shot?
Do I need an Internet connection during Beacon or QSO ing?=20 With my issues concerning Good Old BT and=20 their 19th century = technology, rusty=20 copper and wet string, in the far flung out posts of North Hertfordshire that can't be done, so does that = preclude full=20 use of this system.
Or is it all a secret and one has to dig into the = application? Info=20 in README is = sparse.
Has there been any projects to put this application of PIC = processor=20 for say TX Beacon mode? Or RX for that matter?
 
There are more questions but any help would be of interest. = Now that=20 I have managed to probably defeat BTs best efforts to keep me off 500kc/s I would like = to=20 explore this mode a bit more. Thanks.
73 es GL Pete M0FMT IO91UX
From:=20 Graham <g8fzk@g8fzk.fsnet.co.uk>
To: rsgb_lf_group@blacksheep.org=20
Sent: Thursday, 31 = May 2012,=20 0:02
Subject: Re: LF: = 475 kc=20 Exiter

TX500 is not supporting WSPR or = Opera

Opera is=20 a single frequency  on/off    CW key replacement  = mode , if=20 it  can
send  CW or  QRSS  , then  it = can =20 send  Opera  via the  com-port keying
facility, as = many of=20 the  MF/LF  stations  are  so  = doing.

WSPR on=20 the  other  hand is  FSK based and requires , = either =20 audio>Rf
translation  or  DDS  excitation , each = has=20 its  own uses , the design
requirement /  concept  = of =20 Opera  was  a  'Data mode'  ' To be  sent via a =
normal CW=20 Tx'

G..



-------------------------------------------= -------
From:=20 "Clemens  Paul" <cpaul@gmx.net>
Sent:=20 Wednesday, May 30, 2012 11:15 PM
To: <rsgb_lf_group@blacksheep.= org>
Subject:=20 Re: LF: 475 kc Exiter

> Uwe,
>
> here an Email = from Juma=20 from 2/2012 1regarding further developments:
>
>>Hello=20 Clemens,
>>Thanks for your interest in JUMA = TX500.
>>TX500 is=20 not supporting WSPR or Opera. We will consider new transmit modes =
>>in=20 the future.
>
> 73
> Clemens
> = DL4RAJ
>
>=20 ----- Original Message -----
> From: "Warren Ziegler" <wd2xgj@gmail.com>
> To: = <rsgb_lf_group@blacksheep.= org>
>=20 Sent: Wednesday, May 30, 2012 7:45 PM
> Subject: Re: LF: 475 kc=20 Exiter
>
>
> Uwe,
>
>  The Juma 500 = is a FB=20 little transmitter, lots of built-in features
> (synthesizer, = keyer, swr=20 bridge, receive preselector, receive
> converter) in a very small = package.=20 It is capable of more than 60W
> out, I have run it with 15vdc = (which is=20 in-spec) and with a 30 ohm or
> so antenna impedance you can get = 100W out=20 all day and all night with
> no complaints.
>
> 73 = Warren=20 K2ORS
>
>
> On Sun, May 27, 2012 at 3:39 AM, Uwe = Wensauer=20 <uwe.wensauer@gmx.de>=20 wrote:
>> What do You think about the JUMA TX500=20 TransmitterI
>>
>> In my eyes a small Rig with 60 Watt = and=20 built in Converter.
>>
>> By the way, have a look at = the=20 filters in use =E2=80=93 easy to built an
>> = duplicate
>>
>>=20 Uwe, dk1kq
>
>
>
> --
> 73 Warren = K2ORS
>=20 WD2XGJ
> WD2XSH/23
> WE2XEB/2
>=20 WE2XGR/1
>
>
>
> -----
> E-Mail ist=20 virenfrei.
> Von AVG =C3=BCberpr=C3=BCft - www.avg.de
> = Version: 2012.0.2178 /=20 Virendatenbank: 2425/5033 - Ausgabedatum:
>=20 30.05.2012
>
>
>=20





 <= /DIV> ------=_NextPart_000_006B_01CD3F63.28B4C460--