N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 am CDT
Ask:
HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKN4YHH HAM
✅ Available for a vanity request — free since Feb 26, 2024.
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 Feb 26, 2024
Previous holder: Oscar Madrigal
Held KN4YHH Sep 17, 2019 → Feb 25, 2022 · first licensed Sep 17, 2019 as KN4YHH · 3 licenses · FRN 0028716694
-
- Licensee
- Oscar Madrigal
- Address
- 4050 SW 137th Ave
Miramar, FL 33027
- FRN
- 0028716694
- Previous call
- KX4VET (Technician)
- Last granted
- Apr 17, 2026
- Effective
- Apr 17, 2026
- Last action
- Apr 17, 2026
FCC actions (2)
- Apr 17, 2026 — Vanity call sign granted VANGRT
- Apr 17, 2026 — License issued LIISS
-
📦 Moved: Hialeah, FL → Miramar, FL
- Licensee
- Oscar Madrigal
- Address
- 4050 SW 137th Ave
Miramar, FL 33027
- FRN
- 0028716694
- Previous call
- KN4YHH (Technician)
- Last granted
- Feb 25, 2022
- Effective
- Mar 9, 2024
- Last action
- Apr 17, 2026
FCC actions (6)
- Apr 17, 2026 — License canceled LICAN
- Mar 9, 2024 — Administrative update LIAUA
- Mar 9, 2024 — Administrative update LIAUA
- Mar 14, 2022 — License modified LIMOD
- Feb 25, 2022 — Vanity call sign granted VANGRT
- Feb 25, 2022 — License issued LIISS
-
- Licensee
- Oscar Madrigal
- Address
- PO Box 28034
Hialeah, FL 33002
- FRN
- 0028716694
- Last granted
- Sep 17, 2019
- Effective
- Nov 8, 2019
- Last action
- Feb 25, 2022
FCC actions (4)
- Feb 25, 2022 — License canceled LICAN
- Nov 8, 2019 — Administrative update LIAUA
- Sep 17, 2019 — License issued LIISS
- Sep 17, 2019 — 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 Apr 27, 2024 → Oct 4, 2026 · 14 snapshots · as KX4VET
Oscar Madrigal
4050 SW 137th Ave, Miramar, FL 33027 - Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KN4YHH
Oscar Madrigal
PO Box 28034
Hialeah, FL 33002 - Seen Apr 16, 2022 · 1 snapshot · as KX4VET
Oscar Madrigal
315 W 20TH ST, Hialeah, FL 33010-2566
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KN4YHH in the last 24 hours. They show up here within seconds of KN4YHH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.