Confidence: Medium · Source: FCC ULS · As of 2026-10-26
KR4KLF
CancelledKoeller, Robert
- Location
- Mountain Brk, AL
- Class
- Amateur Extra
- Granted
- 2026-03-11
- Expires
- 2036-03-11
- FRN
- 0038096145
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Vanity availability
721dAvailable on 2028-10-16
KR4KLF cancelled on 2026-10-17. Hold ends in 721 days.
Last held by Koeller, Robert (AL).
Confidence: High
Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.
Callsign genealogy
Full chain →Prior holders later became
- Koeller, RobertALgranted 2026-10-17
License history
5 events- CancelledLICAN[LICAN]
- ModifiedLIMOD[LIMOD]
- ModifiedLIMOD[LIMOD]
- Systematic grantSYSGRT[SYSGRT]
- License grantedLIISS[LIISS]