Target Getting a 10 MHz absolute reference GPS-DO for locking the LO of a microwave ham transverter Low-cost design, easy to find on eBay by 2 chinese sellers
Abstract Power supply / Thunderbold association Using the PC soft Tboltmon.exe -Self survey -Optional : QTH real ASL heigth -Accurate coordinates savings Maximal locking, then disciplining time after savings Final Lissajoux curve (ref = Tekelec epsilon GPS-DO)
F5DQK September 2009
Trimble Thunderbolt GPS-DO
2
Mains connection GPS-DO
Complete power supply
Patch antenna
F5DQK September 2009
Trimble Thunderbolt GPS-DO
3
Mains connection 30W multiple output power supply
Trimble Thunderbold Only 15W needed
Mean Well model T30b
10 MHz +12.5 dBm output -12V, +5V and +12V, P>15W
F5DQK September 2009
GPS patch input
Trimble Thunderbolt GPS-DO
RS-232 output
4
Tboltmon.exe soft : self survey After DC switching on
F5DQK September 2009
After 5 minutes
Trimble Thunderbolt GPS-DO
5
Tboltmon.exe soft : self survey After 7 minutes
After 34 minutes
Self adjusting lat + long Self adjusting QTH heigth !
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This information is given as an indication. In the continual goal to improve our products, we reserve the right to make any modifications judged necessary.
