[Milsurplus] TCS TX

[David Stinson]

You don't need to wind coils or bypass anything.
Nor do you need the many complicated external
"tuners" some have built; one part will fix this.

At the lower left corner of the transmitter is a knob
marked "Series," "Off" and "Parallel."
If on 40 or 30 meters, select "Series."
If on 80 meters, select "Off" and connect
a 100 pFd RF doorknob cap in series from the
ANT connector to the center-conductor of your coax.
Got to be choosy- some so-called "RF" caps are
little more than resistors and some guys think they're gold.
These are good ones:
https://www.ebay.com/itm/264827461359
https://www.ebay.com/itm/192780283722

If 160 Mtrs, use 1000 pFd High voltage Ceramic.
For some reason, every Silver Mica I try  to use
eats power.

If you use these suggestions, your TCS transmitter
will tune-up to full output.

GL OM DE Dave AB5S

On 12/23/2020 11:08 AM, CL in NC via Milsurplus wrote:
> Is there an official mod to the TCS where the RF ammeter circuit is rewired to place it between the RF out stud and the TR relay?
>
> Has anybody reviewed the website that talks about winding a fixed coil on the output variometer, bypassing the rotating link in order to load up to full PA current?
>
> Will, or should, a stock unmodified TCS be able to load to full CW plate current?
>
> Charlie, W4MEC in NC
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