Tuning settings for PL172 amp with 1.8k resistor in plate circuit to simulate plate load impedance.
Larger numbers = Less capacitance on vacuum variables.							2/7/09
Smaller numbers = More capacitance on vacuum variables							K4FMX
		With cover off amp				With cover on amp
Amp band	Freq	Plate tune	Load	Load switch	Band	Plate tune	Load
2 - 2.5	1.86	004	127	2	160 M
3 - 4	3.5	071	126	3	80 M
3 - 4	3.7	076	215	3
4 - 6	3.5	065	095	2
4 - 6	3.7	070	119	2		070	117
4 - 6	4.0	076	010	3
6 - 8	7.1	088	034	3	40 M	088	030
12 - 16	14.2	096	069		20 M	096	062
8 - 12	14.2	113	096	3		118	095
12 - 16	18.1	115	097		17 M	119	093
16 - 20	18.1	093	062			093	058
16 - 20	21.2	099	085		15 M	099	083
20 - 28	21.2	088	053			088	049
20 - 28	24.9	094	077		12 M	094	076
20 - 28	28.0	098	093		10 M	098	092
20 - 28	29.0	099	096			100	095
Plate choke resonance is 33-34 MHz