N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 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, WIKC3OZU HAM
✅ Available for a vanity request — free since Jan 7, 2025.
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 Jan 7, 2025
Previous holder: NATHAN D RATNOFSKY
Held KC3OZU Mar 2, 2020 → Jan 6, 2023 · first licensed Mar 2, 2020 as KC3OZU · 2 licenses · FRN 0025476003
-
- Licensee
- NATHAN D RATNOFSKY
- Address
- 3768 College Avenue
Ellicott City, MD 21043-4662
- FRN
- 0025476003
- Previous call
- KC3OZU
- Last granted
- Jan 6, 2023
- Effective
- Jan 6, 2023
- Last action
- Jan 6, 2023
FCC actions (2)
- Jan 6, 2023 — Vanity call sign granted VANGRT
- Jan 6, 2023 — License issued LIISS
-
- Licensee
- NATHAN D RATNOFSKY
- Address
- 3768 College Avenue
Ellicott City, MD 21043-4662
- FRN
- 0025476003
- Last granted
- Mar 2, 2020
- Effective
- Jan 29, 2021
- Last action
- Jan 6, 2023
FCC actions (5)
- Jan 6, 2023 — License canceled LICAN
- Jan 29, 2021 — Administrative update LIAUA
- Apr 4, 2020 — Administrative update LIAUA
- Mar 2, 2020 — License issued LIISS
- Mar 2, 2020 — 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 16, 2022 → Oct 4, 2026 · 25 snapshots · as KC3OZU
NATHAN D RATNOFSKY
3768 College Avenue, Ellicott City, MD 21043-4662
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC3OZU in the last 24 hours. They show up here within seconds of KC3OZU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.