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

K4MRR

Active

RILEY, MICHAEL R

Location: Jackson, TN
Class: Amateur Extra
Granted: 2017-09-09
Expires: 2027-11-24
Previous call: KX1B
FRN: 0017071382

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

K4MRR 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

KX1Bactive· E
King, Bryan PNHgranted 2019-10-29
K1SNHactive· G
Jagatic, Tom NNHgranted 2020-04-25
W1KKDactive· T
Cox, Timothy HOHgranted 2022-06-14

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with K4

All →

K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10
K4KLP TN · 2026-09-13

Full history → Vanity availability → Callsign genealogy →