Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3MMO callsign genealogy
Currently held by Haselhoff, Lynn C
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 K3MMO's current licensee, walking backwards.
- Haselhoff, Lynn CPAgranted 2007-12-18cancelled 2008-01-08
Successor callsigns
Callsigns held now by people who previously held K3MMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3MMO, oldest first.
- HASELHOFF, CARL B PA1995-09-22 → cancelled 2007-09-25
- Haselhoff, Lynn C PA2018-01-05 active