GNSS survey Multi-band (GPS L1/L2/GLONASS L1/L2/BeiDou B1/B2/B3) GNSS survey antenna Condition Fully functional Type GNSS Bands GPS L1,L2 GLONASS L1,L2 BeiDou B1,B2,B3 Gain 36 dB Coordinates 40.8093558262 N, 73.9601471062 W (averaged over 1000 readings) Elevation 74.591 m (244.7 ft) above sea level Installed July 8, 2017 By Alan (N2YGK), John (KF7NFM) Manufacturer Survey Antenna Products Model GPS500 Documentation GPS500 Specifications GPS500 Product Brochure Notes This equipment is property of CUCS (Prof. Steve Feiner's lab) This antenna upgrades an earlier GPS antenna for CUCS