From: Marko Mäkelä (marko.makela_at_hut.fi)
Date: 2004-10-25 22:30:58
On Mon, Oct 25, 2004 at 09:37:44PM +0200, Daniele Gratteri wrote:
> A friend of mine found a computer which is a PET/CBM clone: in fact, it
> uses a Commodore motherboard but the case seems to be slightly modified.
> The firm of this clone is "ROHDE&SCHWARZ".
> You can find some photos here:
> http://www.retrocomputing.net/parts/commodore/cbm/foto.html
Rohde&Schwarz is a manufacturer of radio and measurement equipment. I've
used their HF-850 radio in the Finnish Air Force in 1995. The company is
still around, at http://www.rohde-schwarz.com.
> What kind of machine could it be?
Maybe it is supposed to control a radio that transmits a digital signal?
BTW, the radio system in the Air Force was using two modem lines (300 baud
if I remember correctly), one for the data stream and another for the
command stream. Given that phone lines are supposed to be a scarce resource
in war time, I wonder how come they didn't think of some encapsulation for
telling apart commands and data. We also used the HF-850 as a very
expensive Morse code transmitter and receiver.
Marko
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