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TR LOG Support
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User Hardware Contributions
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Two-Radio Control Box
Dale KG5U uses this control box he designed to manually switch antennas and
headphones for two radios in a contest.
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PC Audio to Headphones
Dale KG5U describes a circuit he developed to send the computer's
speaker audio to a headphone jack. This lets him run the
TR LOG CW simulator
and listen to the code in headphones rather than coming out of the
front of the computer.
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Optically Isolated Keying
Glenn AE0Q details circuit schematics using optocoupler ICs to
help keep RFI out of your computer's parallel or serial port when
using TR LOG to key the
radio on CW.
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MFJ 432 Voice Keyer Interface
Rich KL7RA provides a circuit schematic and description for a
interface cable to use an MFJ 432 voice keyer with
TR LOG.
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MFJ 434 Voice Keyer Interface
Glenn AE0Q provides a circuit schematic and description for a
an optically-isolated interface to use an MFJ 434 voice keyer with
TR LOG.
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Using the Kenwood DRU with TR LOG
Don K4BEV describes how he set up the numerical keypad to key the
Digital Recording Unit (DRU) in his Kenwood TS-570 from within
TR LOG to use it as a
voice keyer.
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Icom CI-V to RS-232 Interface
Nigel KG7SG published this circuit in the July 1992 issue of QST.
The interface requires no external power and will interface an Icom radio
to a computer running TR LOG.
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