Re: [amsat-bb] TH-D7A(G) & UO-22 Full Duplex Operation

[Pedro Pérez <eb4dka@xxxxxxxxxxx>]

It is possible to work the UO-22 digipeater (even copy your own packets)
with the D7G and a extended duck (such as the MFJ 1717). Try it!

Best regards,
Pedro EB4DKA

----- Original Message -----
From: "Ken Patterson" <kenp@etex.net>
To: <amsat-bb@AMSAT.Org>
Sent: Sunday, August 19, 2001 5:58 AM
Subject: [amsat-bb] TH-D7A(G) & UO-22 Full Duplex Operation


> Good day all.
>
> I am happy to report that earlier this week I successfully worked the
UO-22
> digi with my Kenwood TH-D7A(G) & a Cushcraft A270-6S yagi antenna (3 ele V
&
> 3 ele U).
>
> N5EQT-3>APRSAT,UOSAT5*:EM22lu/- de N5EQT Pls QSL via kenp@etex.net
>
> The *real* news here is that *I copied myself with the D7*. I was using
the
> DUPlex feature of the D7. I just pressed the DUP keypad button & the
> internal TNC copies the downlink without interruption.
>
> As a bit of background, UO-22 operates full duplex in mode JD. As such, it
> is virtually impossible to copy one's packets from the digipeater, mainly
> because our ground-based TNCs and/or transceivers do not switch back to
> receive in time to hear the digipeated packet. It is obvious that Kenwood
> has overcome this problem with the DUPlex feature of the TH-D7A(G).
>
> I hope this information is of some assistance to other PacSat operators
out
> there.
>
> 73,
> Ken, N5EQT
> e-mail: kenp@etex.net
>
>
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