[GreenKeys] Rixon relay

[Robert Goff]

The author of "RTTY from A to Z", W5VU, gives a few pages to the
Trepac 538A, which is exactly what you describe: a plug-in substitute
for WE 255. Starts on page 50 for anyone who has the book, I've never
seen an electronic copy.
Robert

On 7/10/21, Paul Wills <pdwills at cedarknolltelephone.com> wrote:
> Sure they did!  I wish I could find a manual for it.
>
> PDW
>
> On 7/10/2021 9:58 AM, Jim Cooper wrote:
>> On 10 Jul 2021 at 8:14, Jim Haynes wrote:
>>
>> > I remember we had some company's
>> > sample of a solid state polar relay in
>> > a 255A can, but I don't remember the
>> > name of the company.
>>
>> Trepac in Englewood, NJ  and
>> Diamond Repeater Co. in Madison, NJ
>> both made solid state polar relays, in the
>> 60s ... but neither was made in a 255-like
>> enclosure ...
>>
>> At ITT Worldcom we used both models in our
>> leased line M28s ... avoided a lot of tricky
>> adjustments needed by 255 relays.
>>
>