In the mid-1980’s, Phil Karn KA9Q implemented TCP/IP for amateur packet radio on IBM PC’s, helping unlock IP over RF for hams long before the Internet was widely available. #44Net #44yearsof44net #hamradio #amateurradio #digitalinnovation
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In September 1981, Hank Magnuski KA6M contacted Jon Postel and acquired the 44.0.0.0/8 block of ~16M IPv4 addresses for #amateurradio experimentation. #44net #44yearsof44net #digitalcommunications
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44Net has remained active for more than four decades, continuing to support amateur radio experimentation with IP networking. #44net #44yearsof44net #amateurradio #digitalinnovation
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On December 10, 2025, 45 years after Hank KA6M put up the first digipeater in the U.S., ARDC debuted 44Net Connect, an easy-to-use service helping hams get started with 44Net. #ardc #44net #44yearsof44net #44netconnect
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Hank Magnuski KA6M was among the first hams to send a packet through a satellite, experimenting with AO-10 after its 1983 launch. #hamradio #packetradio #44net #44yearsof44net
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Did you know? Our current 44Net mailing list originated from the tcp-group mailing list, established in 1985. #44net #44yearsof44net #digitalcommunications
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Use cases for 44Net are endless, ranging from linking repeater systems to satellite communications #ardc #44net #44yearsof44net #digitalcommunications
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In September 1981, the second edition of the TCP/IP specification (RFC 791 & RFC 793) was published. The same year, hams were allocated the 44Net IP block for experimentation. #44Net #44yearsof44net #amateurradio #digitalcommunications #technology
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The ampr.org domain has long been the ‘home base’ for all things 44Net. #ardc #44Net #44yearsof44net #digitalcommunications #digitalinnovation #technology
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Ever wonder how 44Net got started? Continuing our celebration of 44 years of 44Net, we’ve put together a video that looks back on where it all began. Give it a watch on our new YouTube channel: youtube.com/watch?v=MQVyJUjm…. #44Net #ardc #44yearsof44net #amateurradio #digitalinnovation
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44Net is also known as AMPRNet, short for Amateur Packet Radio Network, which is a nod to its early use with packet radio. #44net #44yearsof44net #amateurradio #digitalcommunications #technology
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The “44” in 44Net is derived from its network number: 44.0.0.0/8, allocated to amateur radio in 1981. #44Net #44yearsof44net #amateurradio #digitalcommunications #digitalinnovation
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This month marks the 44th anniversary of 44Net! We’re celebrating this milestone by sharing stories and facts about our history. If you have something you want to share, let us know! comms@ardc.net #44Net #ardc #44yearsof44Net #amateurradio #digitalcommunications
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