Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1LSH callsign genealogy
Currently held by WALSH, JOHN B
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 WA1LSH's current licensee, walking backwards.
- WALSH, JOHN BMAgranted 1998-09-17cancelled 1999-09-16
Successor callsigns
Callsigns held now by people who previously held WA1LSH.
No current licensee on record previously held this callsign.