Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LTY callsign genealogy
Currently held by MC CLANE JR, JOHN W
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 W4LTY's current licensee, walking backwards.
- McClane III, John WFLgranted 2015-04-09cancelled 2015-10-03
Successor callsigns
Callsigns held now by people who previously held W4LTY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LTY, oldest first.
- MC CLANE JR, JOHN W FL1994-08-23 → cancelled 2006-08-24
- McClane III, John W FL2025-08-13 active