Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4SAR callsign genealogy
Currently held by O'Hanlon, Sarah L
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 KM4SAR's current licensee, walking backwards.
- Vogeley, Sarah LVAgranted 2014-07-07cancelled 2014-07-26
Successor callsigns
Callsigns held now by people who previously held KM4SAR.
No current licensee on record previously held this callsign.