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

KQ4MDO

Cancelled

Ross, Zeff

Location: Boynton Beach, FL
Class: Technician
Granted: 2023-11-01
Expires: 2033-11-01
FRN: 0034120220

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

Vanity availability

Available

Available now

KQ4MDO cleared its 2-year hold on 2025-11-24. Eligible for vanity application.

Last held by Ross, Zeff (FL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

W2ZEFactive· T
Ross, ZeffFLgranted 2023-11-25

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

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

Starting with KQ4

All →

KQ4GPU VA · 2026-09-10
KQ4OZR NC · 2026-09-10
KQ4RWY FL · 2026-09-10
KQ4TDI NC · 2026-09-10
KQ4TEB AL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →