DGPS-11 Beacon Receiver

Si-tex DGPS-11 Beacon Receiver module mounted in a weatherproof housing.

Wire	Function
Red	+3A fused 10.8 to 31.2VDC
Orange	RS-232C In
White	RS-232C Out
Black	- Negative
Blue	TTL Out
Green	Data Ground
Brown	Shield Ground

How can I tell if my WAAS GPS is giving me a corrected fix?
  Look for a "D" in your Latitude/Longitude readout.

DGPS Beacon Receiver

I found an old design online and I have found suppliers for all of the parts except for one component, the MC145157 PLL Frequency synth. is hard to find. Lansdale Semiconductor now produces the chip and I need to find a supplier. Or buy it off of eBay for $30.

Current Status: Found the MC145157 chip