Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DRF callsign genealogy
Currently held by MC AULIFFE III, JOHN JOBIN T
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 W1DRF's current licensee, walking backwards.
- MC AULIFFE III, JOHN JOBIN TNYgranted 2022-08-03cancelled 2024-05-07
Successor callsigns
Callsigns held now by people who previously held W1DRF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1DRF, oldest first.
- SMITH, ROY D MA1988-06-14 → cancelled 2000-06-15
- FRANKLIN, DON R OH2011-03-04 → cancelled 2023-03-07
- MC AULIFFE III, JOHN JOBIN T CT2024-05-07 active