[TowerTalk] Link Antenna Tuners

[Chuck Pool]

Hello everyone:
  I read in an old handbook that the tank capacitor in this particular link antenna tuner was 200pf per section.  I ran the math and it turns out the theoretical capacitance needed for 160 meter is about 177pf plus some additional capacitance for insurance.  One pf  per meter seems to be a good reference.  The above tuner was using the split stator in parallel resulting in 400 pf capacitance.
   
  Is there a reason why so much capacitance is needed, 400pf vs. 177pf, I am assuming for 160 meters?
  Chuck - AA5WG

       
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