W7ASC Center for Amateur Radio Learning
- C.A.R.L. is the Center for Amateur Radio Learning located within the Arizona Science Center. Our goal is to expose the thousands of visitors who visit the Arizona Science Center each year to the hobby of amateur radio.
CallBook for iPhone
- CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application