Quantity   Component name
1 × Link Instruments MSO-19 ($249) 2 GSa/s Mixed Signal Oscilloscope
1 × Baofeng VHF/UHF HT Radio (Amazon, $30) Signal Generator
1 × HMC784MS8GE (DigiKey, $140 eval board) Anetenna T/R Switch
1 × AD8314ARMZ-ND (Digikey, $10) RF Detector
1 × Raspberry Pi (Amazon, $30) Controller, Data Collector, Web Interface
1 × 4N25 opto-isolator Radio Controller
1 × SN74HC04N (or similar) hex inverter T/R switch controller
1 × GPS If it semds NMEA serial data, it should work.
1 × WiFi Dongle Any that work on the Pi!
1 × VHF/UHF Antenna Cushcraft A27010S - 2M/70cm Wideband Yagi Beam Antennas; or build your own
1 × Cables, Connectors, Cases from your parts pin, ebay or amazon