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Yaesu VX-8r

I have a Yaesu VX-8r as my primary handheld. I like this radio, it has a built in TNC for APRS tracking. This radio has wideband receive, and does fairly well receiving shortwave broadcasts (although the VX6r appears to be better).

This radio is a quad band 6m,1.25m,2m,70cm transceiver as well with 2 full VFOs, allowing me to listen to a wide range of things at the same time.

VX-8 data cable

by on Sep.16, 2009, under Yaesu VX-8r

I finally got my CT-M11 cable today, and started trying to build a data cable for it.  I discovered that cloning does indeed go over the RS-232 data pins.  This means that I will be writing a tool to load the memory the way that RT systems does it (although I will give the software away for free :)

Additionally I pulled out the multimeter and decided to try to map the 5 pins the GPS uses.  It appears that one of the 5 is never used, without pulling apart the GPS I will not be able to easily see why it is even there.  It *might* be used if you have the hand mic that takes the GPS, as I do not have one of those I cannot say for sure.

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VX-8r data jack pinout

by on Aug.31, 2009, under Yaesu VX-8r

In my never ending quest to rule the galaxy, I have gotten the pinout information for the VX-8r radio.  While it is pin compatible with the FTM-10 radio, it is not identical.  Minor differences do exist.

Using the CT-M11 cable you can interface this to anything you may need.  I will modify my FT-897 PTT control circuit for this radio as well as future exploration into the radio’s capabilities in terms of cloning the radio, and seeing if there are any secret commands to control the radio similar to the CAT interface.  Getting this pinout was only the first step.

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My VX-8r

by on Apr.18, 2009, under Yaesu VX-8r

Yaesu VX-8r

Yaesu VX-8r

I have a Yaesu VX-8r as my primary handheld. I like this radio, it has a built in TNC for APRS tracking. This radio has wideband receive, and does fairly well receiving shortwave broadcasts (although the VX6r appears to be better).

This radio is a quad band 6m,1.25m,2m,70cm transceiver as well with 2 full VFOs, allowing me to listen to a wide range of things at the same time.

I added the optional bluetooth module and paired it with an Ant headset which works quite well. I also added the optional GPS receiver, making the APRS functionality more meaningful.

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