 In 1994 Abramson co-founded "Aloha Networks" in San Francisco, where he served as a CTO.His early research concerned radar signal characteristics and sampling theory,
as well as frequency modulation and digital communication channels, error correcting codes,
pattern recognition and machine learning and computing for seismic analysis.In the late 1960s he worked on the ALOHAnet and continued to develop spread spectrum techniques in the 1980s.