Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4TW callsign genealogy
Currently held by Randle Iii, Charles D
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 AI4TW's current licensee, walking backwards.
- Randle Iii, Charles DGAgranted 2001-01-25cancelled 2007-02-27
Successor callsigns
Callsigns held now by people who previously held AI4TW.
- Randle Iii, Charles DGAgranted 2017-07-04