[BC] Knight Kit

[nakayle@gmail.com]

    The FBI was still using tubes for their bugs in the 1960s?
    Gee, even I built a transistor radio in 1957- at age 11.

    - Nat

On 8/10/06, Dana Puopolo <dpuopolo at usa.net> wrote:
>
> Those tubes were popular in 'spy' transmitters in the '50's and '60's. The
> FBI
> would build them into walls, where they would function for several years
> before burning out. I used to have a schematic of one.
>
> -D
>
> ------ Original Message ------
> Received:
> From: "Stan Tacker" <stacker at krvt.com>
> To: "'Broadcasters' Mailing List'" <broadcast at radiolists.net>
> Subject: RE: [BC] Knight Kit
>
> My first transmitter was built around an 117L7M7GT.  It did everything but
> answer the phone.  One tube rig.  1200 was the daytime frequency of
> choice.
> I remember one day tuning up a short wave receiver and being scared to
> death
> because of the unfiltered harmonics.  Plug it in the wrong way,
> and...zzzzap.
>
>
>
>