Return-Path: Received: (qmail 20053 invoked from network); 27 Dec 1999 08:33:15 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by teachers.core.plus.net.uk with SMTP; 27 Dec 1999 08:33:15 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 122VxN-0001dR-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 27 Dec 1999 08:56:45 +0000 Content-Transfer-Encoding: 8bit Received: from ds9.sci.fi ([195.74.0.54]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 122VxL-0001dM-00 for rsgb_lf_group@blacksheep.org; Mon, 27 Dec 1999 08:56:44 +0000 Received: from default (MCCXLIII.hdyn.saunalahti.fi [195.197.40.43]) by ds9.sci.fi (8.9.1/8.9.1) with SMTP id KAA20068 for ; Mon, 27 Dec 1999 10:24:29 +0200 (EET) X-Priority: 3 X-MSMail-Priority: Normal Message-ID: <3.0.6.32.19991227102424.0082ae00@laatikko.saunalahti.fi> X-Sender: vaiski1@laatikko.saunalahti.fi X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32) Date: Mon, 27 Dec 1999 10:24:24 +0200 To: rsgb_lf_group@blacksheep.org From: =?iso-8859-1?Q?V=E4in=F6_Lehtoranta?= Subject: Re: LF: Below 9 kHz In-reply-to: <38661EB4.3863A093@radar.no> References: <000f01bf4f99$4f1aa4c0$0d2f97d4@win95.swipnet.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hello LF folks, EISCAT, including Sodankyla Observatory people and Oulu University have been experimenting on frequencies below 10 kHz since sometime in 1960-1970's but their main interest have been below 5 kHz down to the lowest Schumann etc freqs (also WTF/MTF & KPTF ELF. I used to cooperate and also made, in the 1970-1980's spherics recordings of our own on the band 5..15 kHz. As I have been writing history of radio monitoring does anyone know - perhaps Magne - about 1280 Hz tests carried out in Kafjord in 1979-1980 (EMRP 29 W)? Happy end of 1999, de Vaino, OH2LX At 14:57 26.12.1999 +0100, you wrote: > >Christer Andersson wrote: >> >> Hello all, >> >> I have a small question. What stops us from beginning experimenting on, say, 8 kHz? >> If I have understood things right, frequencies below 8,999 kHz is not allocated by the ITU, neither regulated by national administrations. >> >There are no permanent allocations below 9 kHz, but that doesn't >mean the band is open for non-licensed use. > >Radio Regulations (ITU) states (at least in my old copy) that >"Administrations authorizing the use of frequencies below 9 kHz >shall ensure that no harmful interference is caused thereby >to the services to which the bands above 9kHz are allocated". > >In Norway, the Telecommunication law regulates all the >electromagnetic spectrum (actually including signalling >by a flash-light :-) , so at least over here it is >regulated. > >--Magne / la1bfa ---------------------------------------------------------- V.K.Lehtoranta, OH2LX, POBox 50, FIN-05401 Jokela, Finland ------ Tel: +358-9-4173965 ---- Fax: +358-9-4173961 ------ E-mail: vaiski@dlc.fi - alias: oh2lx@dlc.fi & oh2lx@sral.fi