Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4TLP callsign genealogy
Currently held by MERCER, WARREN R
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 WN4TLP's current licensee, walking backwards.
- MERCER, WARREN RGAgranted 2011-02-08cancelled 2012-08-10
Successor callsigns
Callsigns held now by people who previously held WN4TLP.
No current licensee on record previously held this callsign.