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

K4TLO

Active

Maize, Karen L

Location: MESA, AZ
Class: Technician
Granted: 2021-05-28
Expires: 2030-07-18
Previous call: KD7JNZ
FRN: 0002125862

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Vanity availability

Held

Currently held

K4TLO 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

KD7JNZexpired· T
Janz, David CAZgranted 2012-11-14cancelled 2024-12-04
KF7YZHcancelled· T
Janz, David CAZgranted 2012-10-19cancelled 2012-11-14

License history

0 events

No recorded events.

More vanity slots coming available

From Arizona

All →

K7JVC 2026-09-09
N0PSA 2026-09-09
AD7UU 2026-09-10
W7CWD 2026-09-10
KF7YNV 2026-09-13

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 →