Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WU3K callsign genealogy
Currently held by JONES, CARL C
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 WU3K's current licensee, walking backwards.
- HUMPHREYS II, James BMDgranted 2003-02-05cancelled 2011-12-10
Successor callsigns
Callsigns held now by people who previously held WU3K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WU3K, oldest first.
- JONES, CARL C PA1991-12-31 → cancelled 2004-01-01
- HUMPHREYS II, James B MD2021-10-13 active