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ZL3AI > APRDIG 11.04.07 05:06l 38 Lines 1226 Bytes #999 (0) @ WW
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Subj: [APRSSIG] Vol 34 #7, 2/2
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From: ZL3AI@ZL2BAU.#79.NZL.OC
To : APRDIG@WW
Message: 8
Date: Sun, 8 Apr 2007 11:26:27 -0400
From: "Robert Rochte" <rochte_at_gmail.com>
Subject: [aprssig] Urgent - need help with OpenTracker cable
Okay, one desperate plea before we scrub our balloon flight planned for
today...
It seems that I can't figure out how to connect the Open Tracker (which
should take the same type of cable as a Tiny Trak or KPC-3+) to either of my
Radio Shack HTs. I had a cable that worked fine - but it flew off to New
Brunswick and hasn't yet returned. So I've tried the onboard resistor and
just connecting Audio out to the mic tip and ground to the sleeve - no
workie. Tried removing the onboard resistor and using a .1 uf cap from
Audio out to the tip and (alternately) a 3.3k or 2.2k resistor from PTT to
the tip (connecting after the resistor) - no workie.
Anyone sitting around, reading their email this Easter morning and happen to
know what I'm doing wrong?? I have about 20 minutes and I scrub the flight
over this...
Thanks!
73,
Robert KC8UCH
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End of aprssig Digest, Vol 34, Issue 7
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