Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0BLU callsign genealogy
Currently held by CROUSE, ANDY S
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 W0BLU's current licensee, walking backwards.
- Lam, Samuel STXgranted 2022-03-08cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held W0BLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0BLU, oldest first.
- CROUSE, ANDY S KS2004-09-14 → cancelled 2016-12-13
- Lam, Samuel S TX2022-04-01 active