Return-Path: X-Spam-DCC: paranoid 1181; Body=1 Fuz1=1 Fuz2=1 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE,HTML_TINY_FONT,SPF_PASS 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 u210CQPH007694 for ; Tue, 1 Mar 2016 01:12:26 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aaXs1-0002RY-No for rs_out_1@blacksheep.org; Tue, 01 Mar 2016 00:08:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aaXs1-0002RP-4i for rsgb_lf_group@blacksheep.org; Tue, 01 Mar 2016 00:08:57 +0000 Received: from mail-vk0-x22f.google.com ([2607:f8b0:400c:c05::22f]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1aaXry-0005kY-QA for rsgb_lf_group@blacksheep.org; Tue, 01 Mar 2016 00:08:56 +0000 Received: by mail-vk0-x22f.google.com with SMTP id e185so151493331vkb.1 for ; Mon, 29 Feb 2016 16:08:54 -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=20120113; h=mime-version:date:message-id:subject:from:to; bh=ECPQRWuKB7A8DQSpdk4k3VVftK5zI7nLYksl9LgNaLg=; b=Gwj0gO6TpznXxtj+4LYNgEJhgcUacqGyxd1wWLDEOdy0erTVaIHFX8gTwYGnyigsc4 B3p3StFN5gI3RvalGhgj+EKc5M6lJ/hh5KWoKK6YTyC1n8GqcBmQjlFh7UedAUTtE1N6 CWUmUyb5I+Mnv2phljEtaW02BpKipYf8hDbsJYFgfGFPFKAMXORbjfzN+DudbKNL5S/N G6LMQbjOLRWTwzE/uac+HuHFcgH/APO6UxkLj+dHBuAHxLYOPu6bmjFbDu57IfiqvRr5 juKP9dAeHHOLYfo1JNb+BA+JB6sH917y/5nV1lo+KciwFAfgVI+e1e+S2dhuJ853meFT ankQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=ECPQRWuKB7A8DQSpdk4k3VVftK5zI7nLYksl9LgNaLg=; b=cWPfMn8KE4spcqMD4ZKi8ODfDnJMqvy/fUQAZBJ/67tx9wYqHdHpXmvbPnnFKTG/1r 91DGpTfE0IshlL7HcttqVLxOYH4KmQlJlcTBAit5I6mPLof74oTxSzSuq0TFcRkOpHEp VPEaPZXasgDmJSOqLMPTUVP7jqFgo7KUYZhGy2obvIHtQU+pQO8jhRcir3E36VISNZe0 EMS3UGQ6ebR9UG2gwHb6/UAFqtBhXcKB3zoFhvtVdwOywgkpiZ+x3wjZzVoPLtidp83U amudertsvuUl1Zs+ojqVZc5luPL/32LoAihNr64hJuL5d50CKKmkB0ka4LgTWagzcvKu BqrA== X-Gm-Message-State: AD7BkJIQ20Ji5r/BhDTr/+X6KM5oTgaDLgNl1PX9rWSZ11431D+7wrbnntrpMNqCnzCcce0wfbOqaCN+7+PGvg== MIME-Version: 1.0 X-Received: by 10.31.54.75 with SMTP id d72mr13041687vka.30.1456790932962; Mon, 29 Feb 2016 16:08:52 -0800 (PST) Received: by 10.159.32.198 with HTTP; Mon, 29 Feb 2016 16:08:52 -0800 (PST) Date: Tue, 1 Mar 2016 00:08:52 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@yahoogroups.co.uk, rsgb_lf_group@blacksheep.org X-Scan-Signature: 0ec4100a7eb09b79f89f9c2085e5ddc1 Subject: Re: [rsgb_lf_group] Re: LF: Wolf Test transmission again Content-Type: multipart/alternative; boundary=001a11430a1e127b6c052cf1920f 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 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7146 --001a11430a1e127b6c052cf1920f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable It was turned off at 00:05 Over to you, John.... Andy On 1 March 2016 at 00:01, Steve Elliston sgelliston@gmail.com [rsgb_lf_group] wrote: > > > ...still a good signal Andy, better than daytime.. > > 73 > Steve > G3XKR > > On Mon, Feb 29, 2016 at 10:26 PM, Andy Talbot andy.g4jnt@gmail.com > [rsgb_lf_group] wrote: > >> >> >> Its still running, and the old design is holding-up . I found a circuit >> diagram in the archives and realise there is yet another bit of bodgery >> that needs to be sorted if this is to be used for long duration unattend= ed >> transmissions. >> >> The 12V supply used for the fan and other bits of control circuitry is >> derived from the input supply by a single LM317 regulator. That device = is >> specified for 40V maximum across it, so at 50V input gives >> just a 2V margin. Nowadays, when I want a regulator from 50V to someth= ing >> low, I use an auxiliary emitter follower to coarsely pre-regulate the in= put >> to the main regulator to some lower intermediate and safe value. >> >> Will inform here when it finally goes off tonight >> >> 'jnt >> >> >> >> >> On 29 February 2016 at 20:03, John Andrews wrote: >> >>> Andy, >>> >>> Will be watching! >>> >>> John, W1TAG >>> >>> On 2/29/2016 2:16 PM, Andy Talbot wrote: >>> >>>> I've put the signal back on, this time using the new (actually very ol= d) >>>> transmitter. Running a little over 200 Watts so about 90 - 100mW EIR= P >>>> >>>> Not entirely sure how long I'll run it for - certainly not overnight. = I >>>> don't think that PA has ever been used in anger - until now >>>> >>>> 137630Hz Wolf-10 >>>> >>>> Andy G4JNT >>>> >>> >>> >> > __._,_.___ > ------------------------------ > Posted by: Steve Elliston > ------------------------------ > Reply via web post > > =E2=80=A2 Reply to sender > > =E2=80=A2 Reply to group > > =E2=80=A2 Start a new topic > > =E2=80=A2 Messages in this topic > > (2) > Visit Your Group > > > - New Members > > 1 > > [image: Yahoo! Groups] > > =E2=80=A2 Privacy =E2=80=A2 > Unsubscribe > =E2= =80=A2 Terms > of Use > > . > > __,_._,___ > --001a11430a1e127b6c052cf1920f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
It was turned off at 00:05
Over to you, Joh= n....

Andy

On 1 March 2016 at 00:01, Steve Elliston sgelliston@gmail.com [rsgb_lf_group] <rsgb_lf_group@yahoogroups.co.uk> wrote:
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=C2=A0
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...still a good signal Andy, =C2=A0better than da= ytime..

73
Steve
G3XKR

On Mon, Feb 29, 201= 6 at 10:26 PM, Andy Talbot andy.g4jnt@gmail.com [rsgb_lf_group] <= rsgb_l= f_group@yahoogroups.co.uk> wrote:
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=C2=A0
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Its still running, and the old design is= =C2=A0holding-up .=C2=A0 I found a circuit diagram in the archives and real= ise there is yet another bit of bodgery that needs to be sorted if this is = to be used for long duration unattended transmissions.

=
The 12V supply used for the fan and other bits of control circuitry is= derived from the input supply by a single LM317 regulator.=C2=A0 That devi= ce=C2=A0is specified for 40V maximum across it, so at 50V input=C2=A0gives = just=C2=A0a=C2=A02V=C2=A0margin.=C2=A0=C2=A0=C2=A0Nowadays, when I want a r= egulator from 50V to something low, I use an auxiliary emitter follower to = coarsely pre-regulate the input to the=C2=A0main regulator=C2=A0to some low= er intermediate and safe value.

Will inform here w= hen it finally goes off tonight

'jnt



<= br>
On 29 February 2016 at 20:03, John Andrews <= w1tag@charter.net> wrote:
Andy,

Will be watching!

John, W1TAG

On 2/29/2016 2:16 PM, Andy Talbot wrote:
I've put the signal back on, this time using the new (actually very old= )
transmitter.=C2=A0 =C2=A0Running a little over 200 Watts so about 90 - 100m= W EIRP

Not entirely sure how long I'll run it for - certainly not overnight.= =C2=A0 I
don't think that PA has ever been used in anger - until now

137630Hz=C2=A0 =C2=A0Wolf-10

Andy=C2=A0 G4JNT


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Posted by: Steve Elliston <sgelliston@gmail.com>
Repl= y via web post =E2=80=A2 Reply to sender =E2=80=A2 Reply to group =E2=80=A2 Start a new topic =E2=80=A2 Messages in this topic (2)
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3D"Yahoo!
=E2=80=A2 Privacy =E2=80=A2 Unsubscribe =E2=80=A2 Terms of Use

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