If you're referring to the wiki maps I made, I can give you the Radio Mobile file that has the towers, then you can choose which map service to super impose them onto. You'd be able to get any resolution you want. However, it's very tedious and you have to know Radio Mobile. In addition, the file doesn't have towers for the entire state, just east and west of the front range and some areas around Durango.
The wiki maps use fairly high image compression because they were over a megabyte each. Also, for a lot of the maps I used the OpenStreetMaps project since there were copyright issues with services such as MapQuest. The images from OpenStreetMaps weren't as clear.