Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA6IYF callsign genealogy
Currently held by WITMER, DAVID 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 WA6IYF's current licensee, walking backwards.
- Witmer, Michael DCAgranted 2014-10-24cancelled 2024-09-04
Successor callsigns
Callsigns held now by people who previously held WA6IYF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA6IYF, oldest first.
- WITMER, DAVID M CA2014-05-31 → cancelled 2022-09-13
- Witmer, Michael D CA2024-09-04 active