Our use of the power supplies was on mountain top repeater and remote
base sites. Access was generally time-consuming and sometimes
impossible at various times of the year. The Astrons, while they could
be repaired and made to work ... at least for awhile ... were just too
unreliable and unpredictable for such service. We ultimately lucked
into some Rockwell/Collins rack mounts that had been removed from
service and were at a government surplus auction. The were rock solid.
We had to do a little modification to get the regulated voltage down
from 18 to 14 but that turned out to be two resistors. They'll probably
run until Antarctica melts. Neither side of the outputs [there were
two] were connected to the frame. Only downside was that it took two
strong guys to position them in the rack while a third installed the
screws. [:-)
If the PS is under or on your desk or table, the reliability issue would
be a lot less.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 2/26/2019 3:06 PM, Ron Genovesi wrote:
Maybe they were bought out by MFJ ;-)
Ron Genovesi
N3ETA
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