A small comment on birding in Britain,
Back in the 60's, a defense contractor I worked for built a "zero noise"
microwave amplifier, cooled by liquid helium. It was delivered to the Jodrell
Bank Radio Telescope in England by the Department Head of the group who
developed it. This was cutting
A small comment on birding in Britain,
Back in the 60's, a defense contractor I worked for built a zero noise
microwave amplifier, cooled by liquid helium. It was delivered to the Jodrell
Bank Radio Telescope in England by the Department Head of the group who
developed it. This was cutting
