This is a Type-A primary radar range
display , something that was yet to be
invented at this time ..
--------------------------------------------------
From: "Stefan
Schäfer" <
[email protected]>
Sent: Saturday, March 22,
2014 8:26 PM
To: <
[email protected]>
Subject: LF:
Nostalgic stuff of early radio transmissions
> Hi LF,
>
>
In the early 1990s as i was a boy, there was a movie in TV that
>
fascinated me a lot. I've not been a radio amateur to that time, not
>
even a CB radio operator. I've recorded the movie on a video cassette
>
and i wanted to digitize it later, even bought a video grabber for just
>
that video (the grabber didn't work on my PC).
> Now i found it, and many
others of "Meilensteine der Naturwissenschaft
> und Technik" on
Youtube,
>
http://www.youtube.com/results?search_query=meilensteine%20der%20naturwissenschaft%20und%20technik%20watt&sm=1
>
> The video was up to date to that time, now it is historic as well :-)
> Link: http://www.youtube.com/watch?v=IMESXH9XoI0
> There is a
part of a very old spark gap transmitter, at 9 min, 8 sec. in
> the
video. And at 8min 40sec they tell about Marconi.
> Most probably that was
an early motivatin to become a QRO friend later
> :-) See for your selfe.
It could be interesting even if it's not your
> language.
>
> 73, Stefan/DK7FC
>
