| To: | "Dr. David Kirkby" <david.kirkby@onetel.net>, "Lynn Osterbur" <no9z@yahoo.com> |
|---|---|
| Subject: | Re: [Amps] Dummy Loads & Wattmeters |
| From: | "Carl" <km1h@jeremy.mv.com> |
| Date: | Wed, 2 Dec 2009 20:14:04 -0500 |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
Constructing a 1.8 to 30 mHz high power directional coupler with 30dB or more directivity is not an easy task. Ive built them for 1 or 2 bands at VHF and above and use a HP-437B for accurate results. The couplers are used also to drive the spectrum analyzer. Carl KM1H _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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