GB-Corsham: Global Positioning System (GPS) Simulator

3 x programmable equipment (Vector Signal Generator) to emulate complex GPS signals. User requirements for equipment to emulate complex GPS signals Essential: Must be able to emulate L1 and L2 independently and concurrently and also L5 (desirable). Must be able to replicate any GPS location world wide Must be able to provide real time simulation of realistic satellite constellations Must be able to simulate at least 12 satellites simultaneously and have a unlimited simulation time. Must have flexible scenario generation including moving scenarios, dynamic power control and atmospheric modelling Must be able to create configuration of realistic user environments , including obscuration and multipath , antenna characteristics and vehicle attitude. Must have a static mode for basic receiver testing using signals with zero or constant Doppler shift. Must have a Realtme external trajectory feed for hardware in the loop (HIL) applications Must be capable of logging/recording "live"or simulated satellite data. Must have enough equipment to maintain EMC capability. (Three - Two local chambers and 1 remote chamber concurrently) Must be man/van portable Must be capable of being powered from 110/230 Vac mains supply Input Impedance 50ohm Operating temperature 0 to +30C TME shall be suitable contained within transit cases, for transportation (internal carriage) as self contained units by: a) wheeled Vehicle Road b) Wheeled Vehicle Off Road c) Aircraft Must be capable of being operated both independently controlled from the front panel and to be able to connect to an external control device/laptop etc Desirable: Desirable to be capable of being powered from internal batteries or external DC power Should allow option of support to following digital standards: 3GPP LTE FDD and TDD, LTE- Advanced, 3GPP FDD/HSPA/HSPA+, GSM/EDGE/EDGE Evolution, TD-SCDMA,WLAN. No individual LRU should exceed 27kg and any unit weighing 20kg or more shall have a clearly visible warning label affixed that indicates this is heavy.