Well, my work here is complete :-) tonight was (probably) the first time
in 20 years that a QSO was completed with a Ten*Tec RX-10 and TX-100 combo
as one of the stations.
The lucky guy on the other end was WD8BSG near Dayton. Don was running a
Kenwood and gave my antique Ten*Tec station a 599 report at 0143Z on
7.050. Don was also a Ten*Tec fan having owned a C22, 544 and Scout.
He'll have a hard time tomorrow if he trys to tell the guys on the
repeater that he worked a ham using a Ten*Tec transmitter that had tubes
The TX-100 is crystal controlled. I only own 3 FT-243 style rocks and
they are all for 40M. The RX-10, like all old Ten*Tec direct conversion
receivers is a nightmare when it comes to SW broadcast band (5MHz)
interference/overload. I tip my hat to those that used these rigs on a
regular basis back in the 1970s.
The two units are connected as follows, the antenna feeds the RF-output
jack on the rear of the TX-100. A coax then connects the receiver-output
jack to the antenna input jack on the RX-10, as the TX-100 thoughtfully
contains the antenna switching relay circuit.
The key goes to a 1/4" plug on the rear of the TX-100. An RCA phono-type
cable plugs a key-out jack on the TX-100 to a key-input jack on the RX-10.
This is used to generate a side tone internally to the RX-10. It works
great, but it's not *really* needed as the RX-10 will "hear" the TX-100
quite well while you transmit. The TX-100 measured 20 watts out on the
Both units have built in AC supplies so they plug into the wall. The
RX-10 may also be powered by external 12VDC.
One cool thing about these two rigs is that they both use a little
pilot lamp to make the "sun" in the center of the Ten*Tec logo "glow"
while powered on. Very neat looking - I wonder why Ten*Tec doesn't do
something like that in the more modern rigs with an LED?
Both my TX-100 and RX-10 are is simply stunning physical condition. I
am quite proud to have finally completed this Ten*Tec collector "crown
jewel" acquisition - after almost 15 years of trying. It is right up
there with the unassembled MR-1 kit I've displayed at Dayton.
I've received a number of emails from friends interested in how I came
about the two rigs. It simply took a LONG time looking - and a lot of
cash ;-). I know there are others out there - you must simply NEVER GIVE
UP should you want to find one yourself. We all need to have a holy grail
to search for, it makes life much more interesting... ask the Knights who
say, "Nee!" Oh, sorry... Monty Python flashback.
73! =paul= W8KC
Collector of Ten*Tecs and other fine plastics
FAQ on WWW: http://www.contesting.com/tentecfaq.htm
Administrative requests: tentec-REQUEST@contesting.com