[600MRG] GPSDO continued -

k2ors k2ors at verizon.net
Sun Mar 5 10:52:48 CST 2017


Frank,Check the vk3hz.net website for info on using a 10 MHz GPSDO as a reference for rigs that are using other clock freqs.
73 Warren



Sent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------From: Frank Lotito <k3dz at live.com> Date: 3/5/17  11:14 AM  (GMT-05:00) To: 600 / 630 Meter Group <600mrg at w7ekb.com> Subject: [600MRG] GPSDO continued - 
OK, looks like the information I came across regarding the broadcast industry as a source for GPSDO modules was incorrect.  Two questions - (1) "Who / what activity" is offering these modules for sale on the Internet sites?  (2) As I understand these modules from the OEM web sites, a standard output is 10 MHz with a bunch of zeros to the right of the decimal point. I understand a very few amateur transceivers do use an on-board 10 MHz clock, and they do have provisions for an external 10 MHz clock. What if your device, be it an amateur / commercial receiver / transceiver, or test equipment uses a reference time base oscillator other than 10.0000... MHz.  Can someone suggest Internet articles that discuss frequency synthesizers using 10 MHz reference oscillators?  

73 Frank Lotito  K3DZ / WH2XHA
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