Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1SH callsign genealogy
Currently held by Walsh, Patrick 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 WA1SH's current licensee, walking backwards.
- Walsh, Patrick JMNgranted 2019-08-22cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held WA1SH.
No current licensee on record previously held this callsign.