[time-nuts] Slightly OT - GPS-Based Accurate Direction Finding

jimlux jimlux at earthlink.net
Thu Aug 26 13:52:49 UTC 2010

bg at lysator.liu.se wrote:

>> Does anyone know how laser gyroscopes are developing?
> Laser gyroscopes - as in Ring Laser Gyroscopes or as in Fiber Optic
> Gyroscopes?

RLGs are a standard commercial product.  Several years back I was 
walking through the Honeywell plant in St Paul, MN, and they had a 
display case of at least a dozen RLGs that they've made over the past 
few decades.

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