2200m 200W Low Pass Filter, inductors 70 turns on T200-2
2200m 200W Low Pass Filter - Measured Performance
630m 200W Low Pass Filter, inductors 39 turns on T130-2
630m 200W Low Pass Filter - Measured Performance
160m 200W Low Pass Filter, inductors T130-2, toroids.info says 21T, measured 4.9 uH at 20T spaced aprox. 80%.
160m 200W Low Pass Filter - Measured Performance