N9TPB
FCC License Search
🕒 FCC license data updated today 9:45 am CDT · 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, WIKO4TSA HAM
✅ Available for a vanity request — free since Oct 23, 2023.
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 Oct 23, 2023
Previous holder: William E Comfort
Held KO4TSA Oct 4, 2021 → Oct 22, 2021 · first licensed Oct 4, 2021 as KO4TSA · 5 licenses · FRN 0007282692
-
- Licensee
- William E Comfort
- Address
- Attn: William E Comfort
1051 Yunus Rd, Ste 150 #321
Durham, NC 27703
- FRN
- 0007282692
- Previous call
- W4LTC (General)
- Last granted
- Jan 20, 2024
- Effective
- Dec 13, 2025
- Last action
- Dec 13, 2025
FCC actions (5)
- Dec 13, 2025 — Administrative update LIAUA
- Sep 27, 2024 — Administrative update LIAUA
- May 16, 2024 — Administrative update LIAUA
- Jan 20, 2024 — Vanity call sign granted VANGRT
- Jan 20, 2024 — License issued LIISS
-
- Licensee
- William E Comfort
- Address
- Attn: William Comfort
PO Box 12732
65 TW Alexander Dr
Durham, NC 27709
- FRN
- 0007282692
- Previous call
- W0VZ (General)
- Last granted
- Apr 29, 2022
- Effective
- Apr 18, 2023
- Last action
- Jan 20, 2024
FCC actions (4)
- Jan 20, 2024 — License canceled LICAN
- Apr 18, 2023 — Administrative update LIAUA
- Apr 29, 2022 — Vanity call sign granted VANGRT
- Apr 29, 2022 — License issued LIISS
-
- Licensee
- William E Comfort
- Address
- 2709 MAGNOLIA TREE LN
Durham, NC 27703
- FRN
- 0007282692
- Previous call
- W4LTC (General)
- Last granted
- Feb 5, 2022
- Effective
- Feb 5, 2022
- Last action
- Apr 29, 2022
FCC actions (3)
- Apr 29, 2022 — License canceled LICAN
- Feb 5, 2022 — Vanity call sign granted VANGRT
- Feb 5, 2022 — License issued LIISS
-
- Licensee
- William E Comfort
- Address
- 2709 MAGNOLIA TREE LN
Durham, NC 27703
- FRN
- 0007282692
- Previous call
- KO4TSA (General)
- Last granted
- Oct 22, 2021
- Effective
- Nov 9, 2021
- Last action
- Feb 5, 2022
FCC actions (5)
- Feb 5, 2022 — License canceled LICAN
- Nov 9, 2021 — License modified LIMOD
- Oct 28, 2021 — License modified LIMOD
- Oct 22, 2021 — Vanity call sign granted VANGRT
- Oct 22, 2021 — License issued LIISS
-
- Licensee
- William E Comfort
- Address
- 2709 MAGNOLIA TREE LN
Durham, NC 27703
- FRN
- 0007282692
- Last granted
- Oct 4, 2021
- Effective
- Oct 4, 2021
- Last action
- Oct 22, 2021
FCC actions (3)
- Oct 22, 2021 — License canceled LICAN
- Oct 4, 2021 — License issued LIISS
- Oct 4, 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W0VZ
William E Comfort
Attn: William E Comfort
1051 Yunus Rd, Ste 150 #321, Durham, NC 27703 - Seen Apr 27, 2024 → Oct 4, 2026 · 13 snapshots · as W4LTC
William E Comfort
Attn: William Comfort
PO Box 12732
65 TW Alexander Dr, Durham, NC 27709 - Seen Apr 16, 2022 → Oct 4, 2026 · 41 snapshots · as KO4TSA
William E Comfort
2709 MAGNOLIA TREE LN, Durham, NC 27703 - Seen Nov 28, 2024 → Sep 25, 2025 · 7 snapshots · as W0VZ
William E Comfort
Attn: William Comfort
8311 Brier Creek Pkwy, Suite 105-172, Raleigh, NC 27617
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO4TSA in the last 24 hours. They show up here within seconds of KO4TSA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.