Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1EOS callsign genealogy
Currently held by The 807's Group
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K1EOS's current licensee, walking backwards.
- KC1UQCcancelledThe 807s GroupCTgranted 2024-04-17cancelled 2024-05-07
Successor callsigns
Callsigns held now by people who previously held K1EOS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1EOS, oldest first.
- The 807's Group CT2011-05-10 → cancelled 2023-05-11
- The 807s Group CT2024-05-07 active