PLL sync for multiple AM transmitters

To enhance the range of Radio Sausalito, I designed and implemented a PLL system based on GPS satellite signals. The accuracy was extremely good, and the reliability is excellent. It has been in operation since 2006 with only minor improvements. I’ll post more details here. But basically it was designed around a Jupiter DU30-T140 GPS receiver along with G3RUH’s PLL circuit.
You can find out more here…

GPS sync

http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm

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