Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TAN callsign genealogy
Currently held by Effron, Gilbert J
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 W4TAN's current licensee, walking backwards.
- Effron, Gilbert JMOgranted 2005-01-20cancelled 2005-02-23
Successor callsigns
Callsigns held now by people who previously held W4TAN.
No current licensee on record previously held this callsign.