[hpsdr] Fw: Fwd: 1, 2, 3, 4, 5, 6, 7....

[Phil Harman]

Hi Werner,

Did you also look at the phase differences between the 1PPS output from each Thunderbolt?

73 Phil...VK6APH 



From: Werner Karn 
Sent: Thursday, July 26, 2012 7:29 PM
To: Phil Harman 
Cc: Jonathan Naylor ; Simon HB9DRV ; Helmut, DC6NY ; Bruce Beford ; hpsdr at lists.openhpsdr.org 
Subject: Re: [hpsdr] Fwd: 1, 2, 3, 4, 5, 6, 7....

Hi Simon, 

when I ran 3 Trimble Thunderbolts against each other on different antennas their GPS 10 Mhz phases driftet appr. 0,3 deg per second. So I'm not sure if synchronisation of receivers at different locations with time stamped data would work via Internet as phases could differ +/- 20 deg over time before turning direction.

73,

Werner
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