Two satellites with Amateur Radio transponder payloads have been selected for future NASA launches 

AMSAT-NA reports TJREVERB is a CubeSat from Thomas Jefferson High School for Science and Technology, in Alexandria, Virginia with a 435/145 MHz FM transponder.

HuskySat-1 has a 145/435 MHz SSB/CW transponder and was developed by students at the University of Washington in Seattle.

It is expected the launches will take place in the 2018-2020 time frame.

AMSAT-NA Story - http://www.amsat.org/?p=5795

NASA Announces Eighth Class of Candidates for Launch of CubeSat Space Missions - https://www.nasa.gov/feature/nasa-announces-eighth-class-of-candidates-for-launch-of-cubesat-space-missions