Tellurometer MRA3 Distance Measuring Equipment
The MRA3 was a microwave distance measuring equipment developed
in the early 1960s and widely used by HM Forces and the Department
of Overseas Survey until the availability of GPS in the 1980s.
It is largely solid state apart from a reflex Klystron oscillator.
- MRA3 Manual
- Link to
VA210M Replacement Klystron info at www.tubecollector.org from 2010 archived by the Wayback Machine
Last Updated 29-June-2009 by G0OZS