Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AMO callsign genealogy
Currently held by LIDE JR, WILLIAM M
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 K4AMO's current licensee, walking backwards.
- LIDE JR, WILLIAM MSCgranted 1996-01-30cancelled 2005-09-13
Successor callsigns
Callsigns held now by people who previously held K4AMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AMO, oldest first.
- LIDE SR, WILLIAM M SC1996-06-04 → cancelled 2005-08-13
- LIDE JR, WILLIAM M SC2015-06-17 active