Return-Path: X-Spam-DCC: paranoid 1290; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, 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 t38KPrnJ010092 for ; Wed, 8 Apr 2015 22:25:53 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1YfwV8-0003sc-3I for rs_out_1@blacksheep.org; Wed, 08 Apr 2015 21:23:06 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1YfwV7-0003sT-No for rsgb_lf_group@blacksheep.org; Wed, 08 Apr 2015 21:23:05 +0100 Received: from smtpout4.wanadoo.co.uk ([80.12.242.68] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1YfwV5-0004JZ-Re for rsgb_lf_group@blacksheep.org; Wed, 08 Apr 2015 21:23:04 +0100 Received: from AGB ([95.150.81.13]) by mwinf5d55 with ME id DYP21q0030HEVef03YP2yp; Wed, 08 Apr 2015 22:23:03 +0200 X-ME-Helo: AGB X-ME-Date: Wed, 08 Apr 2015 22:23:03 +0200 X-ME-IP: 95.150.81.13 Message-ID: From: "Graham" To: References: In-Reply-To: Date: Wed, 8 Apr 2015 21:23:01 +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-Scan-Signature: 0ec4100a7eb09b79f89f9c2085e5ddc1 Subject: Re: LF: RE: Re: HP 3586C selective level meter for LF and MF Content-Type: multipart/alternative; boundary="----=_NextPart_000_0053_01D07242.31A4B430" 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: 2918 This is a multi-part message in MIME format. ------=_NextPart_000_0053_01D07242.31A4B430 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Depends on the intent Jim ? A sound card would be as good as anything for 9 KHz . as to = 472/137 , other than CW & QRSS , there is only one other use = for a on off keyed carrier I can think of , I would suspect one = of the DDS VFO kits would give acceptable results , with the = option to gps condition the master oscillator , should the need = arise ? 73-Graham G0NBD From: James Cowburn=20 Sent: Wednesday, April 08, 2015 11:25 AM To: rsgb_lf_group@blacksheep.org ; 'James Cowburn'=20 Subject: LF: RE: Re: HP 3586C selective level meter for LF and MF Hi All =20 As well as 2 W & G level meters (SPM 3 and 19 & I agree with Alan - = marginal as Rxs) I have a W & G PS60 (level generator). Has anyone any = views/comments on this item? I'm hoping to use it as a signal source = for 137/472 and possibly 9kc also. The latter to be run via ground loop = electrode system as per Roger G3XBM. =20 Any thoughts, comments most welcome =20 Cheers =20 Jim G7NKS =20 =20 =20 -------------------------------------------------------------------------= ------- From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Alan Melia Sent: 08 April 2015 00:41 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: HP 3586C selective level meter for LF and MF =20 Hi Iban, They do work, but you must realise they are not intended as = radio receivers, and in many aspects their performance as radios is = compromised by their design as line measuring instruments. Problems = include IMD and lack of front end filtering, some lack audio output. Yes = you can get round this or you can be lucky that you location and antenna = help mitigate the problems. =20 =20 You might be better to consider an SDR these days but make sure it = really cover the frequencies of interest. Graham G0NBD has information = on direct sampling mods to the DVT-B dongles. In Europe there are a lot = more LF signals from very strong stations than in the US so be careful = of US opinions that rate these as receivers. I have a couple of W&G = units which while useful as test equipment are less than brilliant and = barely worth their cost as receivers. =20 Alan G3NYK ----- Original Message -----=20 From: Iban Cardona=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, April 07, 2015 11:30 PM Subject: LF: HP 3586C selective level meter for LF and MF =20 Hi,=20 =20 I'm looking to purchase a 3586C. Somebody is using it?=20 =20 Can give-me feedback about to use in 136 and 477 kHz? =20 Thanks for advance =20 73! Iban eb3frn =20 ------=_NextPart_000_0053_01D07242.31A4B430 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Depends on the  intent  Jim ?
 
A sound  card  would  be  as  good  = as =20 anything  for  9 KHz   . as to  472/137  , = other  than CW  &  QRSS , there  is =20 only  one  other  use  for  a  on = off =20 keyed  carrier I can think of , I would  suspect  = one =20 of  the  DDS  VFO kits  would  give =20 acceptable  results ,  with the  option  to  = gps =20 condition the  master  oscillator , should  the  = need =20 arise ?
 
73-Graham
G0NBD
 
 
 
 
From: James Cowburn
Sent: Wednesday, April 08, 2015 11:25 AM
To: rsgb_lf_group@blacksheep.org= ; 'James Cowburn'
Subject: LF: RE: Re: HP 3586C selective level meter for LF = and=20 MF

Hi=20 All

 

As well as 2 = W & G=20 level meters (SPM 3 and 19 & I  agree with Alan =96 marginal as = Rxs) I=20 have a W & G PS60 (level generator).  Has anyone any = views/comments on=20 this item?  I=92m hoping to use it as a signal source for 137/472 = and=20 possibly 9kc also.  The latter to be run via ground loop electrode = system=20 as per Roger G3XBM.

 

Any thoughts, = comments=20 most welcome

 

Cheers

 

Jim=20 G7NKS

 

 

 

From: owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Alan = Melia
Sent: 08 April 2015 = 00:41
To: rsgb_lf_group@blacksheep.org
Subject: LF: Re: HP 3586C = selective level=20 meter for LF and MF

 

Hi Iban, They do work, but = you must=20 realise they are not intended as radio receivers, and in many aspects = their=20 performance as radios is compromised by their design as line measuring=20 instruments. Problems include IMD and lack of front end filtering, some = lack=20 audio output. Yes you can get round this or you can be lucky that = you=20 location and antenna help mitigate the problems. =20

 

You might be better to = consider an=20 SDR these days but make sure it really cover the frequencies of = interest.=20 Graham G0NBD has information on direct sampling mods to the DVT-B = dongles.=20 In Europe there are a lot more LF signals from very strong stations than = in the=20 US so be careful of US opinions that rate these as receivers. I have a = couple of=20 W&G units which while useful as test equipment are less than = brilliant=20 and barely worth their cost as = receivers.

 

Alan

G3NYK

----- Original Message = -----=20

From: Iban = Cardona=20

To: rsgb_lf_group@blacksheep.org= =20

Sent: Tuesday,=20 April 07, 2015 11:30 PM

Subject: LF: HP=20 3586C selective level meter for LF and = MF

 

Hi,

 

I'm looking to purchase a 3586C. Somebody is = using=20 it? 

 

Can give-me feedback about to use in 136 and = 477=20 kHz?

 

Thanks for = advance

 

73! Iban

eb3frn

 

<= /BODY> ------=_NextPart_000_0053_01D07242.31A4B430--