Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7PJM callsign genealogy
Currently held by LIUM, MARK A
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 KB7PJM's current licensee, walking backwards.
- Mcleod, Patrick JAZgranted 2014-11-21cancelled 2014-12-12
Successor callsigns
Callsigns held now by people who previously held KB7PJM.
- LIUM, MARK AWAgranted 2024-01-03
All historical holders
Every license row we've seen with the callsign KB7PJM, oldest first.
- LIUM, MARK A WA2002-07-20 → cancelled 2004-03-23
- Mcleod, Patrick J AZ2024-09-14 active