How did you measure the GPSDO? Against the Rubidium?
On 5/8/2017 3:26 PM, Jay Miller wrote:
I was curious so I bought a GPS disciplined 10MHz source from China using
the eBay seller "cybereveryday." I have a calibrated scope and a Rubidium
10MHz source. I noticed a frequency offset on three of the WWV frequencies
when I plugged it into the K3 XREF module after getting "GPS Lock" rather
than using my Rubidium lamp standard I measured the 10MHz output from the
GPSDO and it is 10,000,025 Hz. (2.5 PPM) The eBay ad states "Accuracy: than
above OXCO 2 order of magnitude." The point is, even using the K3 zero-beat
method with 15 MHz WWV I can get closer to being dead on frequency than
using this Chinese mfg. GPSDO. Again, Elecraft quality and engineering WINS.
Jay Miller, N4NUI
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com
