Phil Karn
Director at Amateur Radio
San Diego, California, United States
Summary
👤
Senior🎓
Top SchoolPhil Karn is a veteran technology leader and radio communications pioneer based in San Diego, blending deep expertise in Internet protocols, embedded systems, cryptography, and spacecraft engineering. With decades of hands-on experience from Bell Labs and Qualcomm to founding the KA9Q NOS TCP/IP implementation on a 64KB Z-80, he helped introduce many people to the Internet and championed TCP/IP for amateur radio. As a long-time amateur radio Extra and AMSAT contributor, he has led spacecraft navigation, digital communications, and mission planning work while serving as Director and former President of Amateur Radio Digital Communications. Phil combines academic training (MSEE, Carnegie Mellon) with practical system-building across Linux, Mac OS X, SDR, and electric vehicle/renewable-energy interests. Known for translating blue-sky research into working prototypes, he still contributes technically in retirement and advisory roles. An uncommon blend of telecom R&D, open-source networking history, and hands-on space systems engineering defines his impact.
10 years of coding experience
13 years of employment as a software developer
High School Diploma, High School Diploma at Dulaney High SchoolBS, Electrical Engineering, BS, Electrical Engineering at Cornell UniversityMSEE, Electrical/Computer engineering, MSEE, Electrical/Computer engineering at Carnegie Mellon University
Stackoverflow
71reputation
226kreached
2answers
0questions
Github Skills (49)
dvb10
dac10
rtl-sdr10
software-defined-radio10
gnuradio10
infiniband9
openipc9
convolution9
multicast8
freedesktop8
propagation8
stereo8
dmx5128
receiver6
fft6
Programming languages (4)
Github contributions (5)
ka9q/ka9q-radio
Jan 2023 - Mar 2023
Multichannel SDR based on fast convolution and IP multicasting
Contributions:29 reviews, 48 commits, 70 PRs in 1 month
rtlsdrsoftware-defined-radioinfinibandmultichannelconvolution
OpenResearchInstitute/ka9q-sdr
Apr 2018 - Dec 2018
Package containing several modules including the multicast IP stereo field manager
Contributions:68 commits, 8 pushes, 6 comments in 7 months
propagationrtlsdrsoftware-defined-radiostereodmx512
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