Figures from a 144MHz amp described by DJ4GC in VHF Communications, 4/85, p213-226. Va 3.2kV, Iaq 200mA, Vg2 320V. 2 tone IMD, figures are rel. either tone Po 750W pep 3rd -36dB 5th -50dB 7th -58dB Po 2000W pep 3rd -26dB 5th -40dB 7th -48dB Spoken 'Aaaaa' with FT225 as the driver Po 750W pep bandwidth at -60dBc +/-5kHz Steve