NIST-Traceable Calibration Standards
Cheap, homebrew standards traceable to NIST through public references and fundamental physics.
- WWV/WWVH Time Signal Reference
- GPS 1PPS Timing Reference
- GPS-Disciplined Oscillator (GPSDO)
- FM Broadcast Carrier Reference
- AC Mains Frequency Reference
- Precision Voltage Reference (LM4040/LT1021)
- Zener + Divider Multi-Voltage Reference
- Precision Resistor Network (Decade Box)
- Wheatstone Bridge Null Method
- 4-Wire Kelvin Resistance Standard
- RC Time-Constant Standard (GPS-Referenced)
- LC Resonance Standard (Frequency-Referenced)
- Coax Cable Capacitance Standard
- 50-Ohm Dummy Load Power Standard
- Fixed Attenuator Pad Standards
- Known-Length Dipole Antenna Standard
- Field-Strength Reference Setup