Lrl from Italy

[FrancoItaly]

Originally Posted by UltraLRL

Even if we assume L1 as two 100nH inductors in parallel (Equal to 50 nH), tank circuit goes from 50-160 MHz .
L1/2 and C9 forms a high-pass filter with cutoff frequency 21.268 MHz .

L1/C10 is tuned to a 20 MHz harmonic, perhaps the fourth (80 MHz), or the fifth or sixth (100 MHz - 120 MHz).