These are data logs from various weird GPSes.  Use them to test
assumptions about NMEA formats and cycle regularities, or as 
regression-test loads for gpsfake -p.

Structured headers are as follows:

# Name: Product name
# Chipset: chipset name
# Firmware: firmware revision level
# Submitter: who sent it
# Date: when it was received (ISO8601 yyyy-mm-dd)
# Location: city, state/province, country, approximate lat/lon
# Sample-Notes: Notes on how the sample was taken