Return-Path: X-Spam-DCC: paranoid 1170; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,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 u3JG29x4006442 for ; Tue, 19 Apr 2016 18:02:09 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1asY18-0005Ya-2c for rs_out_1@blacksheep.org; Tue, 19 Apr 2016 16:56:46 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1asY17-0005YR-1q for rsgb_lf_group@blacksheep.org; Tue, 19 Apr 2016 16:56:45 +0100 Received: from mout01.posteo.de ([185.67.36.65]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1asY14-0005LF-Px for rsgb_lf_group@blacksheep.org; Tue, 19 Apr 2016 16:56:43 +0100 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 812D020902 for ; Tue, 19 Apr 2016 17:56:40 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3qq8lD1yq8z5vNG for ; Tue, 19 Apr 2016 17:56:40 +0200 (CEST) Message-ID: <57165538.8080807@posteo.de> Date: Tue, 19 Apr 2016 17:56:40 +0200 From: DK7FC User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <8D366B751B0C760-1FCC-66CCB4@webmail-vm012.sysops.aol.com> <57164486.9070705@df3lp.de> In-Reply-To: <57164486.9070705@df3lp.de> X-Scan-Signature: bb61bee384896e075004ae5ec954ddd2 Subject: Re: LF: TXing on VLF again, Iron powder cores... broomstick coil? Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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: 7786 Hi Peter, Thanks, interesting. So the red one are ferrite. How many did you order and what are you planning? :-) 73, Stefan Am 19.04.2016 16:45, schrieb Peter: > Hi Markus et al. > > On 17.04.2016 13:56, Markus Vester wrote: >> ... >> Anyway I have ordered some cores to make measurements, and also some >> of the >> red double-height ferrite (?) sleeves from the same supplier. > > Measured both at 10kHz. > > Toroids, green/blue : 91 nH/n² > Sleeves, red : 4406 nH/n² > > 73 de df3lp, > Peter >