Return-Path: Received: from mtain-di04.r1000.mx.aol.com (mtain-di04.r1000.mx.aol.com [172.29.64.8]) by air-dc03.mail.aol.com (v129.4) with ESMTP id MAILINDC031-85ff4d4039c7331; Wed, 26 Jan 2011 10:12:07 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-di04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 93993380000DF; Wed, 26 Jan 2011 10:12:05 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pi71K-0000jO-SA for rs_out_1@blacksheep.org; Wed, 26 Jan 2011 15:10:54 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pi71K-0000jF-DU for rsgb_lf_group@blacksheep.org; Wed, 26 Jan 2011 15:10:54 +0000 Received: from mail-iw0-f171.google.com ([209.85.214.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pi71I-0005pp-1O for rsgb_lf_group@blacksheep.org; Wed, 26 Jan 2011 15:10:54 +0000 Received: by iwn2 with SMTP id 2so1009100iwn.16 for ; Wed, 26 Jan 2011 07:10:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type:content-transfer-encoding; bh=eJpGpy2rc+3i0fqpchJP+PbzduGSzup4ZyH7gj04ZRM=; b=dK4lnSMNU8g2sdDmIOsZsoicpoTLOeYrXcwiWtbQkE1U54LDCZxC51Yq2KE6kSHzWC EZu+rbJAS2mPAkEA0/G3Yspd3xFz25ow9OePYPuhhg5KF3CU+6COQMOgoGbHtckafGL/ kifj5RkwjnjE95ZNt2gI0zkL3RShgjXayJxh4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=TL6fGcUMpCBs3We7KJpdlgH9JI/rU/lvd1wlWrawvttbXCDE++AfM5GzpxvSfjO29b w9AhODX5EDhYszPKjZkLFfRF2qGeMN8uXeP7Fla5CKTofZ7Ir6aUxuq8ie6h34ASk4VG MEVqPaM9voTa2SmSqA25zr73kCXI4XMBIGpLE= MIME-Version: 1.0 Received: by 10.42.213.193 with SMTP id gx1mr630032icb.77.1296054650313; Wed, 26 Jan 2011 07:10:50 -0800 (PST) Received: by 10.42.178.137 with HTTP; Wed, 26 Jan 2011 07:10:50 -0800 (PST) In-Reply-To: <003701cbbd63$daa305c0$4001a8c0@lark> References: <003701cbbd63$daa305c0$4001a8c0@lark> Date: Wed, 26 Jan 2011 10:10:50 -0500 Message-ID: From: Warren Ziegler To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: A 73kHz allocation again? Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-AUTHENTICATION: mail_rly_antispam_dkim-d021.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d40084d4039c56026 X-AOL-IP: 195.171.43.25 X-Mailer: Unknown (No Version) Has anyone crossed the pond on 73kHz? I could probably convince the FCC to grant an experimental license, which I might be inclined to do if I decide that my life is not frustrating enough :-) --=20 73 Warren K2ORS =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XSH/23 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1 On Wed, Jan 26, 2011 at 9:12 AM, Alan Melia wr= ote: > There is still a UK allocation smack in the midlle of the old band......= now > in the VT Comms (Anthorn?) portfolio I guess.....this made reception ver= y > difficult here when it was continually idling at Rugby. They might be le= ss > understanding about an amateur band there than BT/Admiralty was. It seem= ed > significant that the NoV were terminated when VT took over that service. > > Alan G3NYK > > > ----- Original Message ----- > From: "Andy Talbot" > To: > Sent: Wednesday, January 26, 2011 12:07 PM > Subject: Re: LF: A 73kHz allocation again? > > >> AAAArrrrrgggghhhh >> >> Sold the old 73kHz loading coil at FR Hamfest last year :-) >> >> But yes. =A0 73 was more interesting that 137 turned out to be, whilst= not >> being impossible to do something worthwhile for everyone who managed to > get >> on. >> >> Andy >> www.g4jnt.com >> >> >> >> >> >> >> >> On 26 January 2011 10:38, Roger Lapthorn wrot= e: >> >> > All, >> > >> > Looking at recent plots and listed VLF/LF stations active there would >> > appear to be room in the 70-74kHz region for some amateur activity in > Europe >> > without risk to other services. I wonder, seriously, if we asked OFCO= M > (and >> > other authorities in Europe) for NoV access to the 73kHz band whether= it >> > would be granted. They were helpful and supportive with regard to > 8.7-9.1kHz >> > NoVs and seem to accept that genuine research activities warrant supp= ort > and >> > encouragement. After all, only a handful of people would be intereste= d. >> > >> > With the progress in weak signal work since the 73kHz band was last >> > available in the UK and with the new experiences of some at 8.97kHz= (and >> > 136kHz), there is surely a good case to support this as an experiment= al >> > allocation via a NoV. I'd be keen to try earth mode and radiated test= s >> > (locally) at 73kHz. >> > >> > What do people think? Should I ask OFCOM like I did for the Dreamer's > Band >> > NoV and see what happens or should this be via the RSGB? >> > >> > 73s >> > Roger G3XBM >> > >> > -- >> > g3xbm-qrp.blogspot.com/ >> > www.g3xbm.co.uk >> > www.youtube.com/user/g3xbm >> > G3XBM =A0 GQRP 1678 =A0 =A0ISWL G11088 >> > >> > > l#12dc1ea113ae1f2c_> >> > > l#12dc1ea113ae1f2c_> >> > > l#12dc1ea113ae1f2c_> >> > > l#12dc1ea113ae1f2c_> >> > >>