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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Dip-meter again
From: Alexandre Eremenko
Date: 2012 Apr 11, 17:19 -0400
From: Alexandre Eremenko
Date: 2012 Apr 11, 17:19 -0400
Richard, Do you have any source about this? > The first prototype Parus (the Soviet military system patterned after > Transit) satellite was launched in 1974. Deployment of a separate > civilian system, called Tsikada, began in 1978. Alex.