‰  NOW 13 WPM  ‰
ARTICLE REDUCES THE TECHNICAL REQUIREMENTS CONSIDERABLY.  MAKE IT EASY ON
YOURSELF WITH THE SELECTION OF A FAVORABLE ANTENNA LENGTH, IN MY CASE 120
FEET, THE REQUIREMENTS CAN BE SIGNIFICANTLY REDUCED.  INSTEAD OF THREE
VARIABLE ELEMENTS C L C, ONLY A SINGLE L AND C WILL BE NECESSARY TO
CONSTRUCT A MOTOR DRIVEN L NETWORK THAT WILL PROVIDE A MATCH ON ALL BANDS.
IN THE PROPOSED SOLUTION WE CARRY THE SIMPLIFICATION A STEP FURTHER BY
DEVISING A SCHEME THAT REQUIRES BUT A SINGLE MOTOR.  THE WAY THIS IS DONE
ƒ  QST DE W1AW  ‰
IS TO MECHANICALLY COUPLE THE ROLLER INDUCTOR TO THE VARIABLE CAPACITOR.
THE GEARING IS SUCH THAT THE COIL AND THE VARIABLE CAPACITOR EACH REVOLVE
TOGETHER.  SINCE THE CAPACITOR COVERS ALL ITS VALUES TWICE IN EACH
REVOLUTION, EACH HALF TURN OF THE COIL CAN OCCUR WITH ANY VALUE OF
‰  FROM PAGE 91  ‰
KE3HG 55 5 1 725 EPA WB4PWZ 71 5 1 680 EPA KK1J 105 5 1 675 AZ NR9T 55 5 1
650 KY W6AQ 54 5 1 640 SDG KB5FIO 33 5 1 615 STX KC8SQC 35 5 1 600 MI AB4EL
‰  END OF 13 WPM TEXT  ‰  QST DE W1AW  ƒ