[Boatanchors] Questions on the Heath HN-31 Cantenna

[Raymond Cote]

Hi Doug!
I replaced mine with a bnc and the before & after readings on my Bird WMtr were the same at normal BA freq ranges.

Sent using Jedi Mind Trick!!

On Mar 12, 2017, at 11:29, Glen Zook via Boatanchors <boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>> wrote:

Just put in a Schottky diode.  The calibration, of the circuit in the box, is only relative.

If the BNC works well with your other test equipment, then change the RCA jack to a BNC.
 Glen, K9STH
Website: http://k9sth.net

     From: Doug Hensley <w5jv at hotmail.com<mailto:w5jv at hotmail.com>>
To: boatanchors mailman. qth. net <boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>>
Sent: Sunday, March 12, 2017 11:12 AM
Subject: [Boatanchors] Questions on the Heath HN-31 Cantenna

Heath listed a part in the small Bud box on top the Cantenna as part number 56-26, Crystal Diode, Brown-White-Brown (191).  The reference or two I have found was that this is a 1N191 90 PIV 5mA Germanium.  Is there a modern substitute for this that improves on the diode or is finding an original still the best choice?


A related question: a BNC jack would be easier for me to work with rather than the RCA jack when measuring voltage.  Can a "devil's advocate" suggest an obvious reason why not?


Thanks in advance for any suggestions.



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