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, WIKK4DUK HAM
⏳ Not available yet — opens for vanity requests Aug 12, 2028, two years after the license was canceled (Aug 11, 2026).
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 · 2 holders on record
Previous holder: Frederic Ducksworth
Held KK4DUK Dec 9, 2025 → Aug 11, 2026 · 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
Previous holder: Satyam Nayak
Held KK4DUK Aug 22, 2011 → Sep 13, 2011 · first licensed Aug 22, 2011 as KK4DUK · 2 licenses · FRN 0021104583
-
- Licensee
- Satyam Nayak
- Address
- 125 Royal Dr Apt 2804
Madison, AL 35758
- FRN
- 0021104583
- Previous call
- KK4DUK
- Last granted
- Sep 13, 2011
- Effective
- Sep 13, 2011
- Last action
- Sep 14, 2023
FCC actions (3)
- Sep 14, 2023 — License expired LIEXP
- Sep 13, 2011 — Vanity call sign granted VANGRT
- Sep 13, 2011 — License issued LIISS
-
- Licensee
- Satyam Nayak
- Address
- 125 Royal Dr Apt 2804
Madison, AL 35758
- FRN
- 0021104583
- Last granted
- Aug 22, 2011
- Effective
- Aug 22, 2011
- Last action
- Sep 13, 2011
FCC actions (3)
- Sep 13, 2011 — License canceled LICAN
- Aug 22, 2011 — License issued LIISS
- Aug 22, 2011 — 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 Oct 17, 2011 → Oct 4, 2026 · 92 snapshots · as KK4DUK
Satyam Nayak
125 Royal Dr Apt 2804, Madison, AL 35758
Others requesting KK4DUK
2 applications listed KK4DUK as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Sep 23, 2025 | Oct 11, 2025 | KR4GPU · Frederic Ducksworth · Lake City, FL | 1 | Granted |
| Nov 27, 2013 | Dec 15, 2013 | KG4TKF · ALFREDO BARBOZA · WILLOW SPRING, NC | 2 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KK4DUK in the last 24 hours. They show up here within seconds of KK4DUK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.