Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4IYY callsign genealogy
Currently held by WHIPPLE IV, CHARLES 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 WA4IYY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WA4IYY.
- WHIPPLE IV IV, CHARLES WFLgranted 2019-09-06