LAST CHANGES MADE TO THIS PAGE ON 7-10-08
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For the FT-890 QS/S modification Application Note Click Here
The FT-890 QS/S modification permits ALE scanning where the RF power amplifier low pass filter relays are not energized until a transmit state.
Circuit for LDG PRO ATU MARS-ALE interface via RS-232 to ATU Radio Interface port Click Here
This circuit is all that is needed to use the ATU type LDG PRO selection to interface for use reguired for the use with MARS-ALE where the users LDG PRO ATU is automatically placed into BYPASS during scanning operation.
MARS-ALE Application Note v1.02 on LDG DTS-x coaxial switch RS-232 interfacing in Adobe .PDF Click Here
This file provides the details of an interface reguired for the use of LDG DTS-4 or DTS-6 automatic antenna switches for use with MARS-ALE.
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