Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4COB callsign genealogy
Currently held by HUMPHRIES, STEPHEN J
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 KE4COB's current licensee, walking backwards.
- HUMPHRIES, STEPHEN JNCgranted 2014-08-20cancelled 2014-09-09
Successor callsigns
Callsigns held now by people who previously held KE4COB.
- HUMPHRIES, STEPHEN JNCgranted 2020-07-17cancelled 2022-02-23
All historical holders
Every license row we've seen with the callsign KE4COB, oldest first.
- HUMPHRIES, STEPHEN J NC1997-06-05 → cancelled 2005-06-09
- HUMPHRIES, STEPHEN J NC2014-09-09 → cancelled 2020-07-17