Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3JHU callsign genealogy
Currently held by JOHNS HOPKINS AMATEUR RADIO CLUB
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 W3JHU's current licensee, walking backwards.
- WA3EPTcancelledJOHNS HOPKINS AMATEUR RADIO CLUBMDgranted 1997-06-27cancelled 2004-01-06
Successor callsigns
Callsigns held now by people who previously held W3JHU.
No current licensee on record previously held this callsign.