N9TPB
FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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, WIKN4IOF HAM
✅ Available for a vanity request — free since Jan 31, 2020.
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 31, 2020
Previous holder: Marvin O Calvert Jr
Held KN4IOF Dec 20, 2017 → Jan 30, 2018 · first licensed Dec 20, 2017 as KN4IOF · 2 licenses · FRN 0027019595
-
- Licensee
- Marvin O Calvert Jr
- Address
- 1004 Carriage Park Drive
Valrico, FL 33594
- FRN
- 0027019595
- Previous call
- KN4IOF (General)
- Last granted
- Jan 30, 2018
- Effective
- Jan 20, 2021
- Last action
- Jan 20, 2021
FCC actions (4)
- Jan 20, 2021 — Administrative update LIAUA
- Mar 13, 2019 — License modified LIMOD
- Jan 30, 2018 — Vanity call sign granted VANGRT
- Jan 30, 2018 — License issued LIISS
-
- Licensee
- Marvin O Calvert Jr
- Address
- 1004 Carriage Park Drive
Valrico, FL 33594
- FRN
- 0027019595
- Last granted
- Dec 20, 2017
- Effective
- Jan 10, 2018
- Last action
- Jan 30, 2018
FCC actions (4)
- Jan 30, 2018 — License canceled LICAN
- Jan 10, 2018 — License modified LIMOD
- Dec 20, 2017 — License issued LIISS
- Dec 20, 2017 — 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 Jan 2, 2018 → Sep 27, 2026 · 33 snapshots · as KN4IOF
Marvin O Calvert Jr
1004 Carriage Park Drive, Valrico, FL 33594
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KN4IOF in the last 24 hours. They show up here within seconds of KN4IOF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.