SIGNAL
QUALITY: Very Low-10-20 | Low-21-23
| Moderate-24-26 | Good-27-29 | Excellent-30BER
SN=Signal:
SN 10=Very Clear | SN 07 Clear | SN 05 Noisy | SN 03=Very Noisy
BER=Digital Signal Quality (Bit
Error Rate figure of merit)
AMD= Universal ALE Text Message | GPR=Geo
Position Report:
GPR: CALLSIGN LATITUDE LONGITUDE ALTITUDE DATE-TIME COMMENT Latitude and Longitude are reported in decimal degrees.
10-20 | Low-
21-23 
24-26 | Good-
27-29 | Excellent-
30BER
LATITUDE