Gyula,
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Thanks for the detailed operations but I think I answered my own question.
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With the new Pi4 I flashed an operating system and installed it. Insert sd card and Pi works like a Pi should but now 64 bit.
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I made the image? of ?sb64p3.img.xz on a different new SD card with a program using ? Balena etcher. Thanks David
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I pulled the OS usd out of the Pi and inserted the new image and when powered up the Pi now has a 64 bit operating system and? all SBITX 64 bit program running.Obviously there is no "radio" but I see the toolbox and other things I never saw before.
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So, without any objections I will disassemble the rig and change cards.
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Please let me know if you have a different opinion or approach to this surgery.
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Dean
