I appreciate the recommendations & the time you take to assist the community, sounds like the way to go. I think I'll order some replacement F3s & "while I'm in there" replacing it, also do the bootloader switch mod.

Thank you,
Phil WB9TAE

Just fired up a used ANAN-100D, using it on-the-air for a few weeks now, mainly phone, & having fun with it. It was originally purchased in November 2016. I installed OpenHPSDR mRX PS v3.4.9 on my Win10 I5 quad 3.1 GHz shack PC with 1GB ethernet & the Angelia firmware version is reported as ...