Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5CSZ callsign genealogy
Currently held by PR 1580 Radio Club
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 N5CSZ's current licensee, walking backwards.
- KE5HUPcancelledPR 1580 Radio ClubTXgranted 2006-03-27cancelled 2006-04-18
Successor callsigns
Callsigns held now by people who previously held N5CSZ.
- CROSBY, ALBERT ETXgranted 2026-04-04