Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6SGD callsign genealogy
Currently held by LOUGHRAN, LAWRENCE B
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 K6SGD's current licensee, walking backwards.
- Cherry, Joe MCAgranted 2019-03-08cancelled 2019-03-26
Successor callsigns
Callsigns held now by people who previously held K6SGD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SGD, oldest first.
- LOUGHRAN, LAWRENCE B CA1994-03-15 → cancelled 2006-03-16
- Cherry, Joe M CA2019-03-26 active