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, WIKG5YTK HAM
✅ Available for a vanity request — free since Apr 4, 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 Apr 4, 2020
Previous holder: Andrew T Sheffield
Held KG5YTK Mar 13, 2018 → Apr 3, 2018 · first licensed Mar 13, 2018 as KG5YTK · 2 licenses · FRN 0024199291
-
📦 Moved: Frisco, TX → Mission Viejo, CA
- Licensee
- Andrew T Sheffield
- Address
- PO Box 2431
Mission Viejo, CA 92690
- FRN
- 0024199291
- Previous call
- KG5YTK (Technician)
- Last granted
- Apr 3, 2018
- Effective
- Aug 28, 2025
- Last action
- Aug 28, 2025
FCC actions (6)
- Aug 28, 2025 — License modified LIMOD
- Dec 13, 2024 — Administrative update LIAUA
- Jan 25, 2024 — Administrative update LIAUA
- Sep 1, 2021 — Administrative update LIAUA
- Apr 3, 2018 — Vanity call sign granted VANGRT
- Apr 3, 2018 — License issued LIISS
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- Licensee
- Andrew T Sheffield
- Address
- PO Box 506
Frisco, TX 75034
- FRN
- 0024199291
- Last granted
- Mar 13, 2018
- Effective
- Mar 13, 2018
- Last action
- Apr 3, 2018
FCC actions (3)
- Apr 3, 2018 — License canceled LICAN
- Mar 13, 2018 — License issued LIISS
- Mar 13, 2018 — 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 Sep 25, 2025 → Oct 4, 2026 · 3 snapshots · as W6ATS
Andrew T Sheffield
PO Box 2431
Mission Viejo, CA 92690 - Seen May 7, 2018 → Oct 4, 2026 · 21 snapshots · as KG5YTK
Andrew T Sheffield
PO Box 506
Frisco, TX 75034 - Seen Dec 20, 2024 → May 29, 2025 · 5 snapshots · as W6ATS
Andrew T Sheffield
PO Box 2431, Mission Viejo, CA 92690 - Seen Apr 27, 2024 → Nov 28, 2024 · 4 snapshots · as W6ATS
Andrew T Sheffield
1110 N Virgil Ave #98929, Los Angeles, CA 90029 - Seen Apr 16, 2022 · 1 snapshot · as W6ATS
Andrew T Sheffield
PO Box 2625
Mission Viejo, CA 92690
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KG5YTK in the last 24 hours. They show up here within seconds of KG5YTK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.