N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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, WIKC3GOU HAM
✅ Available for a vanity request — free since Mar 19, 2018.
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 Mar 19, 2018
Previous holder: Seth C Oldmixon
Held KC3GOU Feb 29, 2016 → Mar 18, 2016 · first licensed Feb 29, 2016 as KC3GOU · 2 licenses · FRN 0024750226
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📦 Moved: Washington, DC → Rockville, MD
- Licensee
- Seth C Oldmixon
- Address
- 7 Dale Dr
Rockville, MD 20850
- FRN
- 0024750226
- Previous call
- KC3GOU (Technician)
- Last granted
- Jan 21, 2026
- Effective
- Jan 21, 2026
- Last action
- Jan 21, 2026
FCC actions (7)
- Jan 21, 2026 — License renewed LIREN
- Feb 14, 2024 — Administrative update LIAUA
- Apr 29, 2017 — Administrative update LIAUA
- Jun 3, 2016 — Administrative update LIAUA
- Mar 21, 2016 — License modified LIMOD
- Mar 18, 2016 — Vanity call sign granted VANGRT
- Mar 18, 2016 — License issued LIISS
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- Licensee
- Seth C Oldmixon
- Address
- 1318 Webster St NE
Washington, DC 20017
- FRN
- 0024750226
- Last granted
- Feb 29, 2016
- Effective
- Feb 29, 2016
- Last action
- Mar 18, 2016
FCC actions (3)
- Mar 18, 2016 — License canceled LICAN
- Feb 29, 2016 — License issued LIISS
- Feb 29, 2016 — 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 · 12 snapshots · as K3SCO
Seth C Oldmixon
7 Dale Dr, Rockville, MD 20850 - Seen Mar 16, 2016 → Oct 4, 2026 · 27 snapshots · as KC3GOU
Seth C Oldmixon
1318 Webster St NE, Washington, DC 20017 - Seen May 12, 2017 → Apr 16, 2022 · 9 snapshots · as K3SCO
Seth C Oldmixon
11110 Oak Knoll Dr, Austin, TX 78759 - Seen Jun 30, 2016 → Feb 15, 2017 · 5 snapshots · as K3SCO
Seth C Oldmixon
807 E 47th ST #A, Austin, TX 78751
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC3GOU in the last 24 hours. They show up here within seconds of KC3GOU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.