N9TPB
FCC License Search
🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 2026) · next update today 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, WIKC3OWD HAM
✅ Available for a vanity request — free since Aug 14, 2022.
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 Aug 14, 2022
Previous holder: ANTONIO N MASTRIA
Held KC3OWD Feb 18, 2020 → Aug 13, 2020 · first licensed Feb 18, 2020 as KC3OWD · 4 licenses · FRN 0029033800
-
📦 Moved: Chevy Chase, MD → San Jose, CA
- Licensee
- ANTONIO N MASTRIA
- Address
- PO BOX 10521
SAN JOSE, CA 95157
- FRN
- 0029033800
- Previous call
- K3TON (Technician)
- Last granted
- Mar 12, 2021
- Effective
- Feb 10, 2022
- Last action
- Feb 10, 2022
FCC actions (3)
- Feb 10, 2022 — Administrative update LIAUA
- Mar 12, 2021 — Vanity call sign granted VANGRT
- Mar 12, 2021 — License issued LIISS
-
- Licensee
- ANTONIO N MASTRIA
- Address
- 4615 N PARK AVE APT 816
CHEVY CHASE, MD 20815-4515
- FRN
- 0029033800
- Previous call
- KC3PVB (Technician)
- Last granted
- Sep 4, 2020
- Effective
- Sep 4, 2020
- Last action
- Mar 12, 2021
FCC actions (3)
- Mar 12, 2021 — License canceled LICAN
- Sep 4, 2020 — Vanity call sign granted VANGRT
- Sep 4, 2020 — License issued LIISS
-
- Licensee
- ANTONIO N MASTRIA
- Address
- 4615 N PARK AVE APT 816
CHEVY CHASE, MD 20815-4515
- FRN
- 0029033800
- Previous call
- KC3OWD (Technician)
- Last granted
- Feb 18, 2020
- Effective
- Aug 13, 2020
- Last action
- Sep 4, 2020
FCC actions (3)
- Sep 4, 2020 — License canceled LICAN
- Aug 13, 2020 — Systematic call sign granted SYSGRT
- Aug 13, 2020 — License issued LIISS
-
- Licensee
- ANTONIO N MASTRIA
- Address
- 4615 N PARK AVE APT 816
CHEVY CHASE, MD 20815-4515
- FRN
- 0029033800
- Last granted
- Feb 18, 2020
- Effective
- Aug 13, 2020
- Last action
- Aug 13, 2020
FCC actions (3)
- Aug 13, 2020 — License canceled LICAN
- Feb 18, 2020 — License issued LIISS
- Feb 18, 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.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC3OWD in the last 24 hours. They show up here within seconds of KC3OWD beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.