N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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, WI

KC5JKN HAM

⏳ Not available yet — opens for vanity requests May 7, 2027, two years after the license was canceled (May 6, 2025).

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload May 4, 2025 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record

Previous holder: David Sims

Held KC5JKN Dec 9, 2023 → May 6, 2025 · first licensed Sep 9, 1994 as KC5JKN · 4 licenses · FRN 0034490854

W4HO Active Amateur Extra · vanity May 6, 2025 → expires May 6, 2035

Licensee
David Sims

Address
309 PINE NEEDLE RD
BOULDER, CO 80304-0436
40.0477, -105.3013 (street) · Grid DN70ib · CQ 4 · ITU 7 · map ↗

FRN
0034490854

Previous call
KC5JKN (General)

Last granted
May 6, 2025

Effective
May 6, 2025

Last action
May 6, 2025
FCC actions (2)
- May 6, 2025 — Vanity call sign granted VANGRT
- May 6, 2025 — License issued LIISS
KC5JKN Canceled Amateur Extra · vanity Dec 9, 2023 → May 6, 2025 (canceled)

Licensee
David Sims

Address
309 PINE NEEDLE RD
BOULDER, CO 80304-0436
40.0477, -105.3013 (street) · Grid DN70ib · CQ 4 · ITU 7 · map ↗

FRN
0034490854

Previous call
KF0OGI (General)

Last granted
Dec 9, 2023

Effective
Jan 5, 2024

Last action
May 6, 2025
FCC actions (5)
- May 6, 2025 — License canceled LICAN
- Jan 5, 2024 — License modified LIMOD
- Dec 18, 2023 — License modified LIMOD
- Dec 9, 2023 — Vanity call sign granted VANGRT
- Dec 9, 2023 — License issued LIISS
📦 Moved: Los Alamos, NM → Boulder, CO

KF0OGI Canceled Technician Nov 21, 2023 → Dec 9, 2023 (canceled)

Licensee
David Sims

Address
309 PINE NEEDLE RD
BOULDER, CO 80304-0436
40.0477, -105.3013 (street) · Grid DN70ib · CQ 4 · ITU 7 · map ↗

FRN
0034490854

Last granted
Nov 21, 2023

Effective
Nov 21, 2023

Last action
Dec 9, 2023
FCC actions (3)
- Dec 9, 2023 — License canceled LICAN
- Nov 21, 2023 — License issued LIISS
- Nov 21, 2023 — Systematic call sign granted SYSGRT
KC5JKN Expired Technician Sep 9, 1994 → Sep 9, 2004 (expired)

Licensee
DAVID L SIMS

Address
990 CAPULIN RD
LOS ALAMOS, NM 87544
35.7670, -106.2951 (ZIP center) · Grid DM65us · CQ 4 · ITU 7 · map ↗

Last granted
Sep 9, 1994

Effective
Sep 9, 1994

Last action
Sep 12, 2006
FCC actions (1)
- Sep 12, 2006 — License expired LIEXP

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Apr 27, 2024 → Oct 4, 2026 · 28 snapshots · as KF0OGI
David Sims
309 PINE NEEDLE RD, BOULDER, CO 80304-0436
40.0477, -105.3013 (street) · Grid DN70ib · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KC5JKN
DAVID L SIMS
990 CAPULIN RD, LOS ALAMOS, NM 87544
35.7670, -106.2951 (ZIP center) · Grid DM65us · CQ 4 · ITU 7 · map ↗

Others requesting KC5JKN

1 application listed KC5JKN as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 21, 2023	Dec 9, 2023	KF0OGI · David Sims · BOULDER, CO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC5JKN in the last 24 hours. They show up here within seconds of KC5JKN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.