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Posted by sdad | Aug 27, 2015 @ 09:17 AM | 845 Views
Below are the PCM10's. They include the PCM10, PCM10S, PCM10SX, PCM10SXII, and the PCM10X. These radios offer both ppm and pcm modulation, though the PCM10 is a pcm-z modulation only, while the others have both pcm-s and pcm-z modulation
Posted by sdad | Aug 27, 2015 @ 09:08 AM | 789 Views
Below are the 8103 and the 9303. The 9303 is a XP . Later, JR built the X, which is a 2.4 Gig radio, not using the J-72 module.
Posted by sdad | Aug 27, 2015 @ 09:02 AM | 771 Views
Below are the 347, 783, and 388 radios
Posted by sdad | Aug 27, 2015 @ 08:57 AM | 738 Views
The 3 below are the earliest that I have found. I would like to add to these, as there is a single stick Century VII, and a two stick PCM9 that I do not have yet. In addition, the Galaxy is a heli version that I'd like to swap out for a fixed wing version.
Posted by sdad | Apr 30, 2015 @ 10:39 PM | 1,754 Views
I decided to use JR instead of Airtronics for the RF on my single stick. This allows me to maintain compatibility with my JR equipment, including the use of synthesized modules. Further, There are a number of plugin modules that allow the use of 2.4 Gig. I did have to make a few mods to interface the encoder with the JR, but I implemented the mods in such a way that the Airtronics can be reverted back to factory at will.

The Airtronics did not have an access door for the battery. The entire rear panel needed to come off to get at the battery. I have standardized on Li-Fe batteries which require a special charger, not a wall wart. I made a door that allows me access to the battery easily. Since I had already destroyed a JR back panel to get at the module cradle, I used the leftover JR cover on the battery hole.

I do have a stock Airtronics rear panel to use if I ever decide to bring this radio back to stock.