Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SLK callsign genealogy
Currently held by Lang, Allen 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 W4SLK's current licensee, walking backwards.
- Lang, Allen RGAgranted 2019-10-25cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held W4SLK.
No current licensee on record previously held this callsign.