N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 6:00 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKQ4RHZ HAM
✅ Available for a vanity request — free since Sep 14, 2026.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Sep 14, 2026
Previous holder: DAVID CENTROWITZ
Held KQ4RHZ Apr 18, 2024 → Sep 13, 2024 · first licensed Apr 18, 2024 as KQ4RHZ · 2 licenses · FRN 0035157239
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📦 Moved: N Redngtn Bch, FL → North Redington Beac, FL
- Licensee
- DAVID CENTROWITZ
- Address
- 17009 Dolphin Drive
North Redington Beac, FL 33708
- FRN
- 0035157239
- Previous call
- KQ4RHZ (General)
- Last granted
- Sep 13, 2024
- Effective
- Jun 18, 2026
- Last action
- Jun 18, 2026
FCC actions (5)
- Jun 18, 2026 — License modified LIMOD
- Feb 13, 2025 — Administrative update LIAUA
- Sep 20, 2024 — Administrative update LIAUA
- Sep 13, 2024 — Vanity call sign granted VANGRT
- Sep 13, 2024 — License issued LIISS
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- Licensee
- DAVID CENTROWITZ
- Address
- 17009 DOLPHIN DR
N REDNGTN BCH, FL 33708
- FRN
- 0035157239
- Last granted
- Apr 18, 2024
- Effective
- May 31, 2024
- Last action
- Sep 13, 2024
FCC actions (4)
- Sep 13, 2024 — License canceled LICAN
- May 31, 2024 — License modified LIMOD
- Apr 18, 2024 — License issued LIISS
- Apr 18, 2024 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Mar 6, 2025 → Oct 4, 2026 · 7 snapshots · as N9CSI
DAVID CENTROWITZ
17009 Dolphin Drive, North Redington Beac, FL 33708 - Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as KQ4RHZ
David Centrowitz
17009 DOLPHIN DR, N REDNGTN BCH, FL 33708 - Seen Sep 27, 2024 → Dec 20, 2024 · 3 snapshots · as N9CSI
DAVID CENTROWITZ
Attn: David Centrowitz
PO Box 8213
17009 DOLPHIN DR, Madeira Beach, FL 33738
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KQ4RHZ in the last 24 hours. They show up here within seconds of KQ4RHZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.