[Milsurplus] TCS-9 Output matching?
WA5CAB at cs.com
WA5CAB at cs.com
Thu May 5 16:53:03 EDT 2011
Roger,
Come to think of it, the TCS-13 and TCS-14 production (different
contractors) overlapped TCS-12 from Collins. So it would make sense that the ammeter
change would occur during the production run of them as well. However, the
PIB's I have on the two models only show the later (connected to the antenna
post) configuration. I'll print this message and if I ever have occassion
to scan either manual. I'll edit the transmitter schematics to show that
early models did or might respectively have the connected-to-ground variant.
Probably never will find the S/N change point for the -14. I have a PIB on
the -12, too, but when I looked just now it wasn't in the proper file box.
So I don't know which way it shows it.
I remember the PSU discussion. I'm sure shipping today would be even
worse!
In a message dated 5/5/2011 3:13:54 PM Central Daylight Time,
Roger at new-gate.co.uk writes:
> Hi Robert,
>
> The note I have about the moving of the ammeter is attached to the TCS-13
> manual and was from serial number 1387, again there's no clear reason for
> it. I've had good results loading up a short piece of Flexweave wire, about
> 1.5 amps into 20 ft of the stuff, hung vertically. I'm using the A-58/15
> for testing, a French copy, I think.
>
> The TCS station is coming on well. You supplied the connectors a couple of
> years ago and I've just got around to setting up a PSU, as genuine TCS
> PSUs are unobtainable over here, and I think we have discussed the cost of
> shipping before! I have used a Heathkit HP-13 DC:DC 12 volt inverter to run
> the TCS; it supplies ~400V HT if you remove the voltage doubler and fit a
> bridge instead. A lot quieter and lighter than a dual-dynamotor PSU too!
>
> 73
>
> Roger/G3VKM
>
Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
More information about the Milsurplus
mailing list