TABLE OF CONTENTS
Introduction................................................................................................................. 1
Powering The MFJ-259 .............................................................................................. 2
Battery Installation...................................................................................................... 2
Operation Of The MFJ-259 ........................................................................................ 3
SWR and the MFJ-259 ................................................................................... 3
Measuring SWR.............................................................................................. 4
Resistance Meter............................................................................................. 5
Frequency Counter.......................................................................................... 5
Adjusting Simple Antennas ........................................................................................ 7
Dipoles ............................................................................................................ 7
Verticals .......................................................................................................... 7
Tuning an Antenna.......................................................................................... 7
Measuring the Feedpoint Resistance of Antennas .......................................... 8
Finding a Short Circuit in Coax Cables ...................................................................... 8
Testing and Tuning Stubs and Transmission Lines .................................................... 8
Velocity Factor of Transmission Lines ........................................................... 9
Impedance of Transmission Lines .................................................................. 10
Estimating transmission line loss.................................................................... 10
Adjusting Tuners......................................................................................................... 11
Adjusting Amplifier Matching Networks ................................................................... 12
Testing RF Transformers ............................................................................................ 12
Testing Baluns ................................................................................................ 12
Measuring Inductance and Capacitance...................................................................... 13
Measure capacitance. ...................................................................................... 13
Measure inductance. ....................................................................................... 14
Resonant Frequency of tuned circuits......................................................................... 14
Testing RF Chokes.......................................................................................... 15
Technical Assistance................................................................................................... 16
MFJ-259 Parts List...................................................................................................... 16