Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ALP callsign genealogy
Currently held by Muma, Robert 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 W3ALP's current licensee, walking backwards.
- Muma, Robert JPAgranted 2008-01-17cancelled 2015-11-03
Successor callsigns
Callsigns held now by people who previously held W3ALP.
- Muma, Robert JPAgranted 2015-12-01