Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id x26HO3bi006166 for ; Wed, 6 Mar 2019 18:24:11 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1h1aC3-0005Sp-7S for rs_out_1@blacksheep.org; Wed, 06 Mar 2019 17:18:59 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1h1aC2-0005Sg-7T for rsgb_lf_group@blacksheep.org; Wed, 06 Mar 2019 17:18:58 +0000 Received: from mail-it1-x142.google.com ([2607:f8b0:4864:20::142]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1h1aC0-0006El-80 for rsgb_lf_group@blacksheep.org; Wed, 06 Mar 2019 17:18:57 +0000 Received: by mail-it1-x142.google.com with SMTP id v83so11371709itf.1 for ; Wed, 06 Mar 2019 09:18:55 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=PkpxNMgGY8Vw5CyhMVqt69IUgtUuMAiRDBAmu+KZW+4=; b=A+ZNgrDJyW9ipVFaJpKksg9HMGXeHYClwJtn8iQCSfdvDBbsR4iJYohGviltuv+TgY vRmJqp67gGIGAL6alobdzg1DvXF6h2Z1AnP91dHMaAoRMqNMzgB0ebF+gmm1LL0P7JXV 0RSKuhiQmJ9cHmmlJk74Lmqu7PoUYF26NqzyAtCt1bADCiHNsLzHIPoKRNB3dHC4HlZb +LdMKzHF8vCpsyWfv8ToiPrS59fG/ERx2bd65+EclgZLiLicQrxj1PnE3T8sN3h+aNyi rDfpUCXKGcj1nnKO5rGtGFP/6Qac2FUZNBkJdeZ+E6XZelZ87uiLV3QAzMhCBIq2HONI yP5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=PkpxNMgGY8Vw5CyhMVqt69IUgtUuMAiRDBAmu+KZW+4=; b=Hu/1LfllQ29znJ47hVBmLN06b2Vn/Up3M+t+Owbc200ey2nwSKmDAUt49GAaB3CJ66 qYMQSzFH2Cr4lljslpbLPFJsiHLplHxnUwQzojB/zCTtj7hm4ypqnoOMofTW4embuVGK 6mxKyi1DUTh8YV7rPaedm917sT2wKAehuoLssPL9Yx/zrq6qVpxCuX5v9cOtXelmF7uI LdbBDvf2BX3V9hzILLRoh1H2sV90U/5otm7oSwOPY5pH7AsISJOUJSSoRb8fSbWKhXs+ Hsonlib5vadpL9n7Ot30TCgnE4pszW1O2nh2l32Y6prse6wIFhkVbmbywUohxqwzVI6u L4Ww== X-Gm-Message-State: APjAAAVoGP4PdtktzUrXQUfBeiZa6iBQ5CzCCYkavhjGfEEdQ+oBKPiH Ou2T/Cs8dW0NgM/V2tHlSc/lcxV8xxMeGPI+kQnlKA== X-Google-Smtp-Source: APXvYqxJ9n4Qd0NuueQeAwNVcVRUvt25YXs1GhwkGr38R+Z04q4pScZH4h1TvEaR7slZa8XsEzrL8Mj/7BhOhACEYwc= X-Received: by 2002:a02:3f2b:: with SMTP id d43mr4926433jaa.128.1551892734322; Wed, 06 Mar 2019 09:18:54 -0800 (PST) MIME-Version: 1.0 References: <143973420.8505652.1551631866352.ref@mail.yahoo.com> <143973420.8505652.1551631866352@mail.yahoo.com> <2D5F652AE3DF46E1BF610D90EB16FF70@malcoHP> In-Reply-To: <2D5F652AE3DF46E1BF610D90EB16FF70@malcoHP> From: David Bowman Date: Wed, 6 Mar 2019 17:18:37 +0000 Message-ID: To: rsgb_lf_group@blacksheep.org X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Mal Most of the LNBs designed for HD TV have a PLL for low phase noise. These have 'acceptable' drift for CW and SSB QSOs......Just let them warm up for 10mins before you use them. (or fit a TCXO instead [...] 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 [2607:f8b0:4864:20:0:0:0:142 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (davidg0mrf[at]gmail.com) 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 80e63e173fa93b7854d61e1697120204 Subject: Re: Not LF: Opera via QO-100 Content-Type: multipart/alternative; boundary="00000000000028abf20583702ff9" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE 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 --00000000000028abf20583702ff9 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Mal Most of the LNBs designed for HD TV have a PLL for low phase noise. These have 'acceptable' drift for CW and SSB QSOs......Just let them warm up for 10mins before you use them. (or fit a TCXO instead of the 27 / 25MHz crystal) No set top box required. Just small dish + LNB into a dongle. Trying to get an output directly at 70cms is a bit hit and miss as you are well below the lower 750MHz limit of the LNB. 73 David On Wed, Mar 6, 2019 at 1:56 PM mal hamilton wrote: > Marku > There must be a way to modify a satellite RX to receive the AO 100. The > SAT BOX would have AFC built in to avoid LNB drift in normal use. > One method would be to set up the RX box to analogue reception and tune > across the base band, another to tap off the IF 480 Mhz and tune across t= he > IF with a 70cms amateur RX or SDR dongle and computer > Maybe someone has tried a similar method > 73 de mal/g3kevr > > *Fn rom:* Markus Vester > *Sent:* Sunday, March 03, 2019 4:51 PM > *To:* rsgb_lf_group@blacksheep.org > *Subject:* Re: Not LF: Opera via QO-100 > > Hi Mal, > > my 2.4 GHz TX is fairly improvised and may not be easy to reproduce... > I've extracted the LO from an old Sat-TV receiver, followed by a small > Minicircuit amplifier and a 60 cm dish indoors. The PLL consists of the > 1/64 prescaler output fed to a CD4030 XOR phase comparator, along with a > 18.75082 MHz Rubidium-controlled reference. > > There are surely much better ways to generate a decent 13 cm signal. > PA1SDB mentioned that he uses an Adalm-Pluto SDR from Analog Devices. > > You might be able to pick us up on the web-sdr, using 10489603.5 kHz USB > dial, and Opera SW set to Op-05 speed by selecting e.g. the 1296 MHz band= . > Yes we could try a crossband contact, but not today. To count as a valid > QSO, we'd probably also need to set up our own receivers, both for 10.5 G= Hz > and 472 kHz. > > Best 73, > Markus > > > > -----Urspr=C3=BCngliche Mitteilung----- > Von: mal hamilton > An: rsgb_lf_group > Verschickt: So, 3. Mrz 2019 16:24 > Betreff: Re: Not LF: Opera via QO-100 > > Markus > How about a XBAND qso AO100/MF on CW > You TX via satellite to me and I tx on 472.5 Khz CW > 73 de mal/g3kev > > > *From:* Markus Vester > *Sent:* Sunday, March 03, 2019 1:44 PM > *To:* rsgb_lf_group@blacksheep.org > *Cc:* pa1sdb@amsat.org > *Subject:* Not LF: Opera via QO-100 > > Listening to the below-mentioned Goonhilly web-sdr, I noticed an > interrupted carrier on 10489.605 MHz, which turned out to be 10 mW Opera-= 2 > and Opera-05 transmissions from PA1SDB. Peter has been well known in the = LF > group for running a VLF-Grabber in Appingedam. > > During the last week, I had managed to built a rudimentary but stable 2.4 > GHz CW transmitter, allowing me to add in another Opera signal on > Es'hail-2. Anyone else to join in? > > Best 73, > Markus (DF6NM) > > -----Urspr=C3=BCngliche Mitteilung----- > Von: VIGILANT Luis Fern=C3=A1ndez > An: rsgb_lf_group@blacksheep.org > Verschickt: So, 17. Feb. 2019 22:21 > Betreff: LF: MF/LF chat over QA-100 Geostationary Satellite ? > > Hi All > > May be someone has the equipment and is in the footprint of Es'Hail-2, > formely AMSAT QA-100 satellite? > Nice place for chats working as an HF band permanently open and with > outstanding sensibility > > Anybody (appart from David, G0MRF) interested in joining an MF/LF/VLF cha= t > ? > > You need just an SSB rig at 144 or 432, an upconverter to 2.4GHz and a > WiFi PA and antenna and you are in > For Rx you can even use the WebSDR at Goonhilly > https://eshail.batc.org.uk/nb/ > > Unfortunately the footprint of the satellite do not cover America (only > the extreme East of Brazil) > nor Australia (reaching up to thailand). But sites like Reunion are in th= e > footprint > > 73 de Luis > EA5DOM > --00000000000028abf20583702ff9 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Mal

Most of the LNBs desi= gned for HD TV have a PLL for low phase noise. These have 'acceptable&#= 39; drift for CW and SSB QSOs......Just let them warm up for 10mins before = you use them.=C2=A0 (or fit a TCXO instead of the 27 / 25MHz crystal)
No set top box required.=C2=A0 Just small dish + LNB into a dongle= . =C2=A0 Trying to get an output directly at 70cms is a bit hit and miss as= you are well below the lower 750MHz limit of the LNB.

=
73

David

On Wed, Mar 6, 2019 at 1:56= PM mal hamilton <g3kevmal@talk= talk.net> wrote:
Marku
There must be a way to modify a satellite RX to receive the AO 100. Th= e SAT=20 BOX would have AFC built in to avoid LNB drift in normal use.
One method would be to set up the RX box to analogue reception and tun= e=20 across the base band, another to tap off the IF 480 Mhz and tune across the= IF=20 with a 70cms amateur RX or SDR dongle and computer
Maybe someone has tried a similar method
73 de mal/g3kevr
Hi Mal,

my 2.4 GHz TX=20 is fairly improvised and may not be easy to reproduce... I've extracted= the LO=20 from an old Sat-TV receiver, followed by a small Minicircuit amplifier and = a 60=20 cm dish indoors. The PLL consists of the 1/64 prescaler output fed to a CD4= 030=20 XOR phase comparator, along with a 18.75082 MHz Rubidium-controlled referen= ce.=20

There are surely much better ways to generate a=20 decent 13 cm signal. PA1SDB mentioned that he uses an Adalm-Pluto SDR from= =20 Analog Devices.

You might be able to pick us up on=20 the web-sdr, using 10489603.5 kHz USB dial, and Opera SW set to Op-05 speed= by=20 selecting e.g. the 1296 MHz band. Yes we could try a crossband contact, but= not=20 today. To count as a valid QSO, we'd probably also need to set up our o= wn=20 receivers, both for 10.5 GHz and 472 kHz.

Best 73,
Markus
=C2=A0


-----Urspr=C3=BCngliche Mitteil= ung-----
Von: mal=20 hamilton <g3k= evmal@talktalk.net>
An: rsgb_lf_group=20 <rsgb_= lf_group@blacksheep.org>
Verschickt: So, 3.=20 Mrz 2019 16:24
Betreff: Re: Not LF: Opera via QO-100

Markus
How about a XBAND qso AO100/MF on CW
You TX via satellite to me and I tx on 472.5 Khz CW
73 de mal/g3kev
=C2=A0
=C2=A0
Sent: Sunday, March 03, 2019 1:44 PM
Subject: Not LF: Opera via=20 QO-100
=C2=A0
Listening to the below-mentioned Goonhilly web-sdr, I noticed an=20 interrupted carrier on 10489.605 MHz, which turned out to be 10 mW Opera-2 = and=20 Opera-05 transmissions from PA1SDB. Peter has been well known in the LF gro= up=20 for running a VLF-Grabber in Appingedam.

During the last week, I had managed to built a rudimentary but stable= =20 2.4 GHz CW transmitter, allowing me to add in another Opera signal on Es= 9;hail-2.=20 Anyone else to join in?

Best=20 73,
Markus (DF6NM)

-= ----Urspr=C3=BCngliche Mitteilung-----
Von: VIGILANT Luis= Fern=C3=A1ndez <l= uis@vigilant.es>
An: rsgb_lf_group@blacksheep.org=20 <rsgb_= lf_group@blacksheep.org>
Verschickt: So, 17.=20 Feb. 2019 22:21
Betreff: LF: MF/LF chat over QA-100=20 Geostationary Satellite ?

Hi All=20
=C2=A0
May be someone has the equipment and is in the footprint of=20 Es'Hail-2, formely AMSAT QA-100 satellite?
Nice place for chats working as an HF band permanently open and=20 with outstanding sensibility
=C2=A0
Anybody (appart from David, G0MRF) interested in joining an=20 MF/LF/VLF chat ?
=C2=A0
You need just an SSB rig at 144 or 432, an upconverter to 2.4GHz=20 and a WiFi PA and antenna and you are in
For Rx you can even use the WebSDR at Goonhilly

Unfortunately the=20 footprint of the satellite do not cover America (only the extreme East of= =20 Brazil)
nor Australia (reaching=20 up to thailand). But sites like Reunion are in the footprint

73 de Luis
EA5DOM=20
--00000000000028abf20583702ff9--