• To anyone looking to acquire commercial radio programming software:

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Ericsson 900 MHZ 500M

merlin

merlin

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Any one still have these rellics and played with them, I have a couple, one on 33 Cm ham using an SC4 file. Just wondering if one could not hex edit
the bandplan/firmware, and get the radio on 33 CM by itself?
I know Harris does a lot of file checking, so some CRC correcting is needed, mut the CRC Harris uses is not standard.
People do this with Motorolla.
Anyone been in this spot?
 
rescue161

rescue161

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SC4 and SC5 files are how it is done. Way too many checksums to deal with and the files just work. Sure, it is a pain to have to change every frequency to the offset of your SC file, but once it is done, that is it. You just have to never read to edit and only make changes to the personality that you saved with the offset freqs.
 
merlin

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I have an SC4 file, plus a couple I modified. Problem with Programmer 18 is even though I have allow SC4 files, there is no input panel for one.
The low band counterpart, yes, I have one of those fixed also.
Using GHIDRA on the firmware, takes 200 seconds to fix all the checsums.
I am also tearing apart the .per file, working up a way to program the EEPROM without MaCom software.
My issue with that is getting any details on ripping the .per file.
Won't be long before I have hacked this old rellic as deep as I have the M7100s.
 
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