# Field test card

- Object / downlink / mode:
- Source confirming activity and time checked:
- UTC, RX location and orbital element epoch:
- Hypothesis and success criterion:
- Variable changed and measurement step:
- Quantities kept constant:
- RF chain diagram and calibration:
- Antenna, polarisation, mount and tracking:
- SDR, gain/AGC, sample rate, IQ format and PPM:
- C/N or SNR (state method and bandwidth), lock, CRC and frames:
- Conditions: elevation, obstructions, temperature, wind:
- A/B result and comparison uncertainty:
- IQ/audio/frames, SHA-256 and photos of the setup:
- Next hardware change:

## Microwave RX/TX extension

- RF / IF / LO frequencies and clock reference:
- Feed, f/D, polarisation and beam axis calibration:
- G/T, EIRP, losses and link budget margin:
- RX: input levels, filtering and isolation from TX:
- TX: own bench or scope agreed with the operator:
- TX: dummy load, coupler, attenuation, linear and reflected power:
- TX: EVM, spectral mask, back-off and interlock:
- Tracking error, backlash, axis speed and cable wrap: