Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7NLU callsign genealogy
Currently held by MALLAS, LEO 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 W7NLU's current licensee, walking backwards.
- Lambert, Donald RWAgranted 2001-06-04cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held W7NLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7NLU, oldest first.
- MALLAS, LEO J AZ1994-04-12 → cancelled 2006-04-14
- Lambert, Donald R WA2017-03-15 active