Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3HRN callsign genealogy
Currently held by MAC DONALD, JOHN A
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 W3HRN's current licensee, walking backwards.
- MAC DONALD, JOHN AFLgranted 2014-08-21cancelled 2019-10-29
Successor callsigns
Callsigns held now by people who previously held W3HRN.
No current licensee on record previously held this callsign.