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Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KR4MAT

Cancelled

Forster Sr, Michael J

Location: Tampa, FL
Class: Technician
Granted: 2026-05-08
Expires: 2036-05-08
FRN: 0038318002

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Vanity availability

658d

Available on 2028-06-29

KR4MAT cancelled on 2026-06-30. Hold ends in 658 days.

Last held by Forster Sr, Michael J (FL).

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

Prior holders later became

W4MFNactive· G
Forster Sr, Michael JFLgranted 2026-06-30

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KR4

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →