Confidence: Medium · Source: FCC ULS · As of 2026-09-09

K4MR

Active

Hartman SR, Michael C

Location: Semmes, AL
Class: Amateur Extra
Granted: 2022-05-14
Expires: 2032-06-01
Previous call: AK4TD
FRN: 0020131553

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Vanity availability

Held

Currently held

K4MR is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

AK4TDcancelled· E
Hartman SR, Michael CALgranted 2010-08-18cancelled 2012-06-01
KJ4WXXcancelled· E
Hartman SR, Michael CALgranted 2010-08-18cancelled 2012-04-18

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

KQ4UUE 2026-09-09
KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →