KhelmDTW From United States of America, joined Jun 2007, 269 posts, RR: 0 Reply 2, posted (5 years 5 months 1 week 6 days 2 hours ago) and read 4290 times:
I had the same problem the other night in my Dreamfleet B58, they were stuck on 125.13. I tried using FSPAX to switch them also with no success. Angry and out of ideas, I quit. I think it had something to do with Squawkbox, but it was late and I didn't feel like troubleshooting it.