>Also adverts for the latest ZX80 a massive #79.95 and 1K ram .

Shades of when I cleaned out many back issues of Byte magazine before
shifting half way round the world. Found an advert in an early 1980's issue
for a full height 5 1/4 inch 10MB hard drive for US$2950.

Recently found a datasheet for tyre pressure measurement. I had been
wondering about how it was done without having wires getting wound round the
axle as the vehicle travels, and this appears to be a SAW device which is
run in a passive transponder mode, a bit like the passive microwave
eavesdropper in the USA Seal in the embassy in Moscow a good few years ago.
I have no other details on it as I have not perused the data sheet in
detail, but this passive device problem seems to have been the fly in the
ointment to these getting into use. I believe they are used on some large
trucks these days, as well as some high end cars.

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