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, WIKD9SDG HAM
⏳ Not available yet — opens for vanity requests Mar 22, 2027, two years after the license was canceled (Mar 21, 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
Previous holder: Thomas Derr
Held KD9SDG Mar 19, 2021 → Mar 21, 2025 · first licensed Mar 19, 2021 as KD9SDG · 2 licenses · FRN 0024128399
-
- Licensee
- Thomas Derr
- Address
- 4842 BAILEY SETTLEMENT RD
SUN PRAIRIE, WI 53590-9716
- FRN
- 0024128399
- Previous call
- KD9SDG (Technician)
- Last granted
- Mar 21, 2025
- Effective
- Mar 21, 2025
- Last action
- Mar 21, 2025
FCC actions (2)
- Mar 21, 2025 — Vanity call sign granted VANGRT
- Mar 21, 2025 — License issued LIISS
-
- Licensee
- thomas derr
- Address
- 4842 BAILEY SETTLEMENT RD
SUN PRAIRIE, WI 53590-9716
- FRN
- 0024128399
- Last granted
- Mar 19, 2021
- Effective
- Feb 24, 2025
- Last action
- Mar 21, 2025
FCC actions (4)
- Mar 21, 2025 — License canceled LICAN
- Feb 24, 2025 — License modified LIMOD
- Mar 19, 2021 — License issued LIISS
- Mar 19, 2021 — 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 · 18 snapshots · as KD9SDG
thomas derr
4842 BAILEY SETTLEMENT RD, SUN PRAIRIE, WI 53590-9716
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD9SDG in the last 24 hours. They show up here within seconds of KD9SDG beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.