SMSGTE is an application that allows amateur radio operators to exchange text message between their APRS* radios or clients and SMS (cellular text messages). The gateway is in operation today, however development continues with a focus on reliability, resiliency and deployment flexibility. The application removes the messaging barrier between APRS* and the SMS world. The most compelling use of this gateway is for emergency communications. Even when outside of cellular coverage, a VHF radio can usually reach an APRS* digipeater, allowing it to send and receive messages to cellular users.