Simulation and Performance Evaluations of the New GPS L5 and L1 Signals
Broadcom introduces second generation dual-frequency GNSS
Interfrequency Performance Characterizations of GPS During Signal Outages From an Anomaly Crest Location - Biswas - 2019 - Space Weather - Wiley Online Library
GPS Signal Plan - Navipedia
GPS Frequency Bands - everything RF
GNSS Antenna with 90% Efficiency in GPS/GALILEO/GLONASS/BeiDou L1 bands