Rich,
On my 77Dx, the only changes have been to 1) balance the 8877 filament, taking
all filament current off the chassis; 2) adding a filament choke; 3) adding
Siemens GDTs; and 4) ensuring the 8877 gets the target 5.0V under today's
elevated utility voltage.
Paul, W9AC
Sent from my iPhone5
On Dec 30, 2012, at 2:00 PM, Rich Hallman - N7TR <rich@n7tr.com> wrote:
> Looking for a consolidated list of what people have for needed upgrades or
> mods done on the Alpha 77DX/SX?
>
> Thanks...Rich
>
> Rich N7TR
> ex KI3V, N3AMK, WB3JOV
> www.n7tr.com<http://www.n7tr.com>
> http://www.qrz.com/db/N7TR
> Telnet: dxc.n7tr.com N7TR DXCluster
>
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