Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5ANN callsign genealogy
Currently held by Landress, Mark R
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 WB5ANN's current licensee, walking backwards.
- Landress, Mark RTXgranted 2007-10-10cancelled 2008-08-15
Successor callsigns
Callsigns held now by people who previously held WB5ANN.
No current licensee on record previously held this callsign.