Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6ALT callsign genealogy
Currently held by CAULKINS, JOEL P
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 N6ALT's current licensee, walking backwards.
- CAULKINS, JOEL PORgranted 2007-06-20cancelled 2017-03-28
Successor callsigns
Callsigns held now by people who previously held N6ALT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6ALT, oldest first.
- FLEMING, ROBERT M CA2004-12-10 → cancelled 2017-03-10
- CAULKINS, JOEL P OR2017-03-28 active