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'GPSTCXO' Project name is KHRONOS. - We would like to see what the interest level is for a GPSTCXO based timing/frequency reference for HPSDR. Suggestions and discussions are welcome.

Here's some reference material to review regarding the Jackson Labs GPSTCXO 'low cost' device:

GPSTCXO Data Sheet Brief


GPSTCXO Mechanical Dimensions

Excalibur's TCXO Data Sheet

Some File Updates:

PDF Schematic of EVB

GPSTCXO Eval Board Gerbers

GPSTCXO Eval Board Mechanical Dimensions

Image of Jackson Labs EVB:

GPSTCXO Jackson Labs EVB Image

Block Diagram of KHRONOS Architecture:

    1. OpenHPSDR JL Based GPSTCXO Simplified Block Diagram

KHRONOS Block Diagram

Possible Gibraltar Alternative:

MTRON m9107 Datasheet

Some good background material and reference papers:

10 MHz OCXO Clock for the hpSDR-Transceiver - By Hans Hartfuss, DL2MDQ and Juergen Sachtleben, DD6UJS

Surplus 10 MHz Rubidium Frequency Standard - By Hans Hartfuss, DL2MDQ and Juergen Sachtleben, DD6UJS

An alternative design:

10 MHz Simple GPSDO - By James Miller G3RUH

Note - all files pertaining to the Jackson Labs GPSTCXO are provided courtesy of Jackson Labs of Los Gatos, California.