[Antennas] ?? on boat radio ATU
Mark
Mark <[email protected]>
Wed, 05 Mar 2003 14:37:23 -0800
and ... don't assume the boat's voltage source was 12VDC .. many are 24,
etc.... 73 Mark
----- Original Message -----
From: "Cletus W Whitaker" <[email protected]>
To: "Hue Miller" <[email protected]>
Cc: <[email protected]>
Sent: Wednesday, March 05, 2003 2:16 PM
Subject: Re: [Antennas] ?? on boat radio ATU
> de WB2CPN South Central Pennsylvania 2003.03.05
>
> ICOM once made a similiar type loading coil. The
> rotary switch was stepped from one position to the
> next with a magnetic operated rachet. One pulse
> stepped the switch to the next position. The band
> info from the transceiver was decoded and converted
> to "how many steps to 10 meters?" The IC-720 also
> used this scheme for switching band pass filters.
> That was a chronic fault. 73 Clete