[Towertalk] Re: Mark III collinear antenna

[zl1aih@ihug.co.nz (zl1aih@ihug.co.nz)]

Hi Carsten
Assuming you have the circuit diagram for the tuning unit,
C1, C2, C4 - 110 mmf vacuum variable.
C3 - 750 mmf vacuum variable.
C5 - 150 mmf air variable.
C6, C7 - 0.0011 mf 5 kv micas  Sangamo type F-2 or equiv.
K1, K2, K3 - D.p.d.t relay v.a.c. coil.   Ameco type 51 or eqiv.
Good luck.   
73, Ken ZL1AIH