Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v5DFje6h006994 for ; Tue, 13 Jun 2017 17:45:42 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dKnx6-0004me-CG for rs_out_1@blacksheep.org; Tue, 13 Jun 2017 16:41:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dKnx5-0004mV-E7 for rsgb_lf_group@blacksheep.org; Tue, 13 Jun 2017 16:41:55 +0100 Received: from mailsub2.hostvue.com ([195.26.90.72]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dKnwy-0002RU-S7 for rsgb_lf_group@blacksheep.org; Tue, 13 Jun 2017 16:41:54 +0100 Received: from 82-69-55-234.dsl.in-addr.zen.co.uk ([82.69.55.234] helo=asgard.localdomain) by mailsub2.hostvue.com with esmtpa (Exim 4.85) (envelope-from ) id 1dKnwx-0007H4-1z for rsgb_lf_group@blacksheep.org; Tue, 13 Jun 2017 16:41:47 +0100 To: rsgb_lf_group@blacksheep.org References: <907292116.20170613161717@gmail.com> <59400441.7030008@posteo.de> From: Nick Openpgp: id=E2B673E8698B81DBEDC2B3C9DBED794169D013EE Organization: Organised - you must be joking! Message-ID: <217be49a-ac5c-a34a-34a9-3d0b9e4e6eae@dctower.co.uk> Date: Tue, 13 Jun 2017 16:41:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <59400441.7030008@posteo.de> X-Scan-Signature: 4d97240a623a26620214cd27feaa9f71 Subject: Re: LF: Scopemeter current reading question Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="osmd01U0kqOd3ItaxkkU64cMiMoutn8ux" 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 2.75 Status: O X-Status: X-Keywords: X-UID: 11969 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --osmd01U0kqOd3ItaxkkU64cMiMoutn8ux Content-Type: multipart/mixed; boundary="Ad5lBCsfnPCqJ2cQ1sTF2ERCx6EQ2kQ18"; protected-headers="v1" From: Nick Reply-To: M0HGU@dctower.co.uk To: rsgb_lf_group@blacksheep.org Message-ID: <217be49a-ac5c-a34a-34a9-3d0b9e4e6eae@dctower.co.uk> Subject: Re: LF: Scopemeter current reading question References: <907292116.20170613161717@gmail.com> <59400441.7030008@posteo.de> In-Reply-To: <59400441.7030008@posteo.de> --Ad5lBCsfnPCqJ2cQ1sTF2ERCx6EQ2kQ18 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable >> Hello LF'ers, >> >> My scopemeter shows current and voltage waveforms of course, but what= >> relationship does the current waveform have to the actual antenna= >> current? I am sad to say I haven't yet built a true antenna current= >> meter, it's on the to do list, near the top now. Thanks. >> >> =20 Well it depends on what you mean by scopemeter ... Do you mean a scope match ? or one of those 'fluke' handheld scopes ? If the former it depends on the coupling ratios you have chosen, mine is set to 1V/A & 50V/V so same height traces =3D 50R HTH BEIDN Nick M0HGU --=20 And then there were the frogs. Very, very small frogs. They had such a tiny life cycle it still had trainer wheels on it. (Wings) 16:40:01 up 8:48, 5 users, load average: 0.63, 0.67, 0.63 --Ad5lBCsfnPCqJ2cQ1sTF2ERCx6EQ2kQ18-- --osmd01U0kqOd3ItaxkkU64cMiMoutn8ux Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJZQAe6AAoJENvteUFp0BPuVu4P/0YIOsK+QohOxoXXfPteiQhg Rb46Oi0dTI9FkKWsUNrKVdkHsXcitouV9McnsSW1qF9GJcOPb3qEvvw5yMG05J80 Ly+/nFMfOug3+x2c/KPq3FJmRB1lQsQECLjUbMCdsFLe6oEFhBadxSzTMExTwgk+ DTswXNiMJ9ibrDVNZsbSA+lNlFc8Neh/9K+xLz3L6IKr+GVM0TJIzKJkysMBOwDU KXdm1vDKXqRYWZLi/9wQpSwvXAtMPllnmX5Q6wEWkXKS7JKcDu6XRyCPuSxFcrpe 0QHcjf5D/kyPdKh1ht5ryps4pP5N74y+gKr4cQD1S7Bm+fDoXsJ5oL38GefkZR13 J/4HbnphS5Jcij6kdoa3yF7iCR+aiewkvnPb2nueZq4Ryz9h36Cj9rOrY3jdW4a9 Xs7Fgk1IUNAdpwhgMGnqSJvX1taEaICQkF0LjfXlx3vXhb4Rj7RPjAvYzULZK2Fk jg8VFNGc64/9/leeEL+ZKBBKvo4qFZWkNG6zVNtyy47SF7w6H/tcYtH+kgqx/hV7 j1Hc6hZgDcUA7b7dBzNdQDTFT4ge8EYCVYi5ATf2lPoOHYf0TlEg+QPMU5jRTOI1 cjg8BXTWELAK477RhpAC+XxnJDjC/OFl5oea6RCwsuiJZgg1nuX0i0PX26Hgypgo fr2GzHE7ZkhbmctIMbls =5PgZ -----END PGP SIGNATURE----- --osmd01U0kqOd3ItaxkkU64cMiMoutn8ux--