Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA1KLN callsign genealogy
Currently held by Sullivan, Kevin 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 WA1KLN's current licensee, walking backwards.
- Sullivan, Kevin RMAgranted 2021-08-30cancelled 2022-06-28
Successor callsigns
Callsigns held now by people who previously held WA1KLN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA1KLN, oldest first.
- SULLIVAN, KEVIN R MA1993-10-26 → cancelled 2005-10-27
- Sullivan, Kevin R MA2022-06-28 active