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| To: | <rsgb_lf_group@blacksheep.org> |
|---|---|
| Subject: | Re: LF: Can I match 2 frequencies with one loading coil? |
| From: | "Steve" <VE7SL@shaw.ca> |
| Date: | Thu, 28 Jun 2018 12:07:13 -0700 |
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| In-reply-to: | <F2BE2937-10D3-40F2-BFF1-BEE1CC78CA63@talktalk.net> |
| References: | <319563372.20180628161811@gmail.com> <5B3512D8.7080006@posteo.de> <F2BE2937-10D3-40F2-BFF1-BEE1CC78CA63@talktalk.net> |
| Reply-to: | rsgb_lf_group@blacksheep.org |
| Sender: | owner-rsgb_lf_group@blacksheep.org |
I use aircore loading and matching Use 2 coils and SW between them for desired band G3KEV Chris...this is what I do as well. A separate ferrite matching xfrmr but exactly the same, for each band, made from TV flyback cores. The 630m coil is not large so it's very easy to make a second one. Separate short coax runs to the shack. To change bands I just unscrew the down lead from one coil and fasten it to the other..takes about 30 seconds or less. Steve 73 WEB - "The VE7SL Radio Notebook": http://qsl.net/ve7sl/VE7SL BLOG - "Homebrewing and Operating Adventures From 2200m to Nanowaves": http://ve7sl.blogspot.ca/ |
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