Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4EMA callsign genealogy
Currently held by Hamilton County Emergency Services
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 KA4EMA's current licensee, walking backwards.
- KJ4GGQcancelledHamilton County Emergency ServicesTNgranted 2008-08-25cancelled 2008-10-03
Successor callsigns
Callsigns held now by people who previously held KA4EMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4EMA, oldest first.
- PROCTOR, ROBERT W GA1988-11-29 → cancelled 2000-11-30
- Hamilton County Emergency Services TN2019-03-29 active