I suppose (5) would include an upgrade of the PS filter cap. Several of us are
now using oil caps rated at 35uF @ 5KV.
Paul, W9AC
Sent from my iPhone5
On Dec 30, 2012, at 4:03 PM, Paul Christensen <w9ac@arrl.net> wrote:
> 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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