RE: Polk's Hobbies radios?
I have the Tracker II & III. No problems with the II. Haven't used the III but a couple times, no problems yet. I like mine very much and when money is an issue the Tracker has a lot of nice features for the price. I like the ability to be able to change frequencies at the field when needed. And the built in scanner is a great feature that has notified me more than once of spurious signals. I would suggest you go to Polk's forum and look for posts about problems and fixes.