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, WIKR4GPU HAM
⏳ Not available yet — opens for vanity requests Dec 10, 2027, two years after the license was canceled (Dec 9, 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: Frederic Ducksworth
Held KR4GPU Sep 9, 2025 → Dec 9, 2025 · first licensed Sep 9, 2025 as KR4GPU · 3 licenses · FRN 0037418662
-
- Licensee
- Frederic Ducksworth
- Address
- Attn: Fred Ducksworth
1468 SW Main Blvd Ste 105 Pmb 3
Lake City, FL 32025-1116
- FRN
- 0037418662
- Previous call
- KK4DUK (Technician)
- Last granted
- Aug 11, 2026
- Effective
- Aug 11, 2026
- Last action
- Aug 11, 2026
FCC actions (2)
- Aug 11, 2026 — Vanity call sign granted VANGRT
- Aug 11, 2026 — License issued LIISS
-
- Licensee
- Frederic Ducksworth
- Address
- 1468 SW Main Blvd Ste 105 Pmb 3
Lake City, FL 32025-1116
- FRN
- 0037418662
- Previous call
- KR4GPU (Technician)
- Last granted
- Dec 9, 2025
- Effective
- Dec 9, 2025
- Last action
- Aug 11, 2026
FCC actions (3)
- Aug 11, 2026 — License canceled LICAN
- Dec 9, 2025 — Vanity call sign granted VANGRT
- Dec 9, 2025 — License issued LIISS
-
- Licensee
- Frederic Ducksworth
- Address
- 1468 SW Main Blvd Ste 105 Pmb 3
Lake City, FL 32025-1116
- FRN
- 0037418662
- Last granted
- Sep 9, 2025
- Effective
- Sep 29, 2025
- Last action
- Dec 9, 2025
FCC actions (4)
- Dec 9, 2025 — License canceled LICAN
- Sep 29, 2025 — License modified LIMOD
- Sep 9, 2025 — License issued LIISS
- Sep 9, 2025 — 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 · 7 snapshots · as KR4GPU
Frederic Ducksworth
1468 SW Main Blvd Ste 105 Pmb 3, Lake City, FL 32025-1116
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KR4GPU in the last 24 hours. They show up here within seconds of KR4GPU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.