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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: From: g3kevmal@talktalk.net Sent: Saturday, June 30, 2018 5:08 PM To: g3kevmal@talktalk.net Subject: Re: LF/MF DUAL WATCH OR DIGITAL switching Time Division switching using one antenna, two inductors one resonated at MF and one at LF, output from each inductor digitally switched between the two and fed via one coax cable to a MF BPF and a LF BPF each going to a separate RX for simultaneous monitoring of each band. This method using a Digital sequential fast switch and BPF filters will achieve the object and give good isolation between Receivers Similar idea to TDM SYSTEMS G3KEV [...] Content analysis details: (1.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.24.135.67 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 1.6 SUBJ_ALL_CAPS Subject is all capitals 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 42bbe44aa18353e845a65753486d556c Subject: LF: Fw: LF/MF DUAL WATCH Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01D41095.29C1B840" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME,NO_REAL_NAME 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 This is a multi-part message in MIME format. ------=_NextPart_000_000F_01D41095.29C1B840 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable From: g3kevmal@talktalk.net=20 Sent: Saturday, June 30, 2018 5:08 PM To: g3kevmal@talktalk.net=20 Subject: Re: LF/MF DUAL WATCH OR DIGITAL switching Time Division switching using one antenna, two inductors one resonated = at MF and one at LF, output from each inductor digitally switched = between the two and fed via one coax cable to a MF BPF and a LF BPF = each going to a separate RX for simultaneous monitoring of each band. = This method using a Digital sequential fast switch and BPF filters will = achieve the object and give good isolation between Receivers Similar idea to TDM SYSTEMS=20 G3KEV From: g3kevmal@talktalk.net=20 Sent: Saturday, June 30, 2018 2:48 PM To: rsgb ; rsgb_lf_group@yahoogroups.co.uk=20 Subject: LF/MF DUAL WATCH Chris es Co Easy solution for 2 x RX dual watch Rhombic antenna or V Beam etc fed to a wide band RF amplifier, output to = 2 x Transistor source follower , one to each RX and select frequency as = required. You can also use valves/tubes with Cathode follower outputs to each RX G3KEV ------=_NextPart_000_000F_01D41095.29C1B840 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
 
From: g3kevmal@talktalk.net
Sent: Saturday, June 30, 2018 5:08 PM
Subject: Re: LF/MF DUAL WATCH
 
OR
DIGITAL switching
Time Division switching using one antenna, two inductors one = resonated at=20 MF and one at LF, output from each inductor digitally switched between = the=20 two  and fed via one coax cable to a MF BPF and a LF BPF each going = to a=20 separate RX for simultaneous monitoring of each band.  This method = using a=20 Digital sequential fast switch and BPF filters will achieve the object = and give=20 good isolation between Receivers
Similar idea to TDM SYSTEMS
G3KEV
 
 
From: g3kevmal@talktalk.net
Sent: Saturday, June 30, 2018 2:48 PM
To: rsgb ; rsgb_lf_group@yahoogroups.co.uk
Subject: LF/MF DUAL WATCH
 
Chris es Co
Easy solution for 2 x RX dual watch
Rhombic antenna or V Beam etc fed to a wide band RF amplifier, = output to 2=20 x Transistor source follower , one to each RX and select frequency as=20 required.
You can also use valves/tubes with Cathode follower outputs to each = RX
 
G3KEV
 
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