Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI4TCH callsign genealogy
Currently held by Zapf, Michele L
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 WI4TCH's current licensee, walking backwards.
- Zapf, Michele LTNgranted 2020-11-28
Successor callsigns
Callsigns held now by people who previously held WI4TCH.
- Zapf, Michele LTNgranted 2020-11-28