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, WIKB4CPU HAM
✅ Available for a vanity request — free since May 5, 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 · available since May 5, 2025
Previous holder: BRIAN F KNOLL
Held KB4CPU Apr 28, 2023 → May 4, 2023 · first licensed Apr 5, 2023 as KQ4HPE · 4 licenses · FRN 0032783730
-
📦 Moved: Cary, NC → Apex, NC
- Licensee
- BRIAN F KNOLL
- Address
- 2205 Carcillar Dr
Apex, NC 27539-3637
- FRN
- 0032783730
- Previous call
- KY4XO (General)
- Last granted
- May 31, 2023
- Effective
- Nov 19, 2025
- Last action
- Nov 19, 2025
FCC actions (6)
- Nov 19, 2025 — Administrative update LIAUA
- Apr 23, 2025 — Administrative update LIAUA
- Apr 5, 2024 — Administrative update LIAUA
- Apr 5, 2024 — Administrative update LIAUA
- May 31, 2023 — Vanity call sign granted VANGRT
- May 31, 2023 — License issued LIISS
-
- Licensee
- BRIAN F KNOLL
- Address
- 8303 OVATION DR
CARY, NC 27513-2645
- FRN
- 0032783730
- Previous call
- KB4CPU (General)
- Last granted
- Apr 28, 2023
- Effective
- May 4, 2023
- Last action
- May 31, 2023
FCC actions (3)
- May 31, 2023 — License canceled LICAN
- May 4, 2023 — Systematic call sign granted SYSGRT
- May 4, 2023 — License issued LIISS
-
- Licensee
- BRIAN F KNOLL
- Address
- 8303 OVATION DR
CARY, NC 27513-2645
- FRN
- 0032783730
- Previous call
- KQ4HPE (General)
- Last granted
- Apr 28, 2023
- Effective
- May 4, 2023
- Last action
- May 4, 2023
FCC actions (3)
- May 4, 2023 — License canceled LICAN
- Apr 28, 2023 — Vanity call sign granted VANGRT
- Apr 28, 2023 — License issued LIISS
-
- Licensee
- BRIAN F KNOLL
- Address
- 8303 OVATION DR
CARY, NC 27513-2645
- FRN
- 0032783730
- Last granted
- Apr 5, 2023
- Effective
- Apr 19, 2023
- Last action
- Apr 28, 2023
FCC actions (5)
- Apr 28, 2023 — License canceled LICAN
- Apr 19, 2023 — License modified LIMOD
- Apr 18, 2023 — License modified LIMOD
- Apr 5, 2023 — License issued LIISS
- Apr 5, 2023 — 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 27, 2026 → Oct 4, 2026 · 2 snapshots · as AA4BK
BRIAN F KNOLL
2205 Carcillar Dr, Apex, NC 27539-3637 - Seen Apr 27, 2024 → Oct 4, 2026 · 36 snapshots · as KQ4HPE
BRIAN F KNOLL
8303 OVATION DR, CARY, NC 27513-2645 - Seen May 29, 2025 → Sep 25, 2025 · 2 snapshots · as AA4BK
BRIAN F KNOLL
1701 Barrett Run Trl, Apex, NC 27502-4506 - Seen Apr 27, 2024 → Apr 25, 2025 · 8 snapshots · as AA4BK
BRIAN F KNOLL
8624 OVATION DR, CARY, NC 27513-2648
Others requesting KB4CPU
2 applications listed KB4CPU as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Apr 10, 2023 | Apr 28, 2023 | KQ4HPE · BRIAN F KNOLL · CARY, NC | 1 | Granted |
| Jan 23, 2004 | Feb 10, 2004 | KF4UUQ · JERRY R BELCHER · MANASSAS, VA | 10 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB4CPU in the last 24 hours. They show up here within seconds of KB4CPU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.