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PIC16F628A firmware for the GPS-Based Frequency Reference (v3 & v4)
Firmware (HEX file) and assembly language source code for the GPS-Based Frequency Reference.
V4 is for use only with the newer V.KEL GPS receiver modules that run at 9600 baud instead of 4800.
V3 still has the NMEA data stream at 4800 baud.
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PIC16F628A-I/P programmed for the GPS Frequency Reference [GPSFrqRfv3.HEX or GPSFrqRfv4.HEX]
PIC16F628A-I/P 8-bit microcontroller programmed with the firmware for the GPS Frequency Reference.
V3 is for GPS modules that have a 4800 baud rate NMEA data stream.
V4 is for the newer V.KEL GPS modules that have a 9600 baud rate NMEA data stream.
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Updated PCB pattern for the GPS-Based Frequency Reference (PDF download) [04103073]
PDF with the updated PCB design for the GPS Frequency Reference (single-sided).
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Display PCB pattern for the GPS-Based Frequency Reference (PDF download) [04103072]
PDF with the display PCB design for the GPS Frequency Reference (single-sided).
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GPS-based Frequency Reference front and rear panel artwork (PDF download)
PDF with the front and rear panels for the GPS-Based Frequency Reference.
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