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There was a circiut published years ago that allowed control of the polorotator with a simple low volatage dc power supply ( wall wart)...you could even have it control the polarization using the H/V volage chages of each Transponder...do a search for it ....if you dont have it, I will dig up my...

Dr. Sat in in Oakville, ont...west of Toronto. I agree...terrible buisness. He has/had a website that sells, but refuses to anwer his emails regarding orders, nor his buisness phone. I dont know if he is even still in buisness. I wanted to by about $500 worth of equipment...and trying to confirm...

Is this the same Geosat you had an unused remote for? In a previous post , you had offered a remote as the STB had taken a lightning strike and no longer working- I suspect it is....happy for you, sad for me ;-) If available, I need a replacement remote for my distroyed geosat micro . Any...

Thanks Micheal...VA3VFO hr..... Yes that's the cct..he used the MAX202 .Other ccts seem use the MAX232..I belive they only require differnt capacitor values , but I think either TTL converter should work in duplex. OK on needing to use the Ali editor.. If it is a plain text editor, I am not...

Ok- found many typical RS232 to TTL cct on the web...i would think most whould work ? But I still have questions about doing the "Flash" and step by step for uploading new firmware ... Thanks Greg

Please Help Larry1! or Others The link to your RS232 to TTL cable is showing"file not found" I want to build that cable to fix the boot loop defect. I have a computer running XP with Rs232 .....and a few MAX232 ? Chips somewhere. ( built a previous CAT cable for my ham rig before) Does XP...