N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 8:30 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

KB3MUF HAM

✅ Available for a vanity request — free since Aug 1, 2009.

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 Aug 1, 2009

Previous holder: Peicheng Chu

Held KB3MUF Nov 10, 2005 → Jul 31, 2007 · first licensed Nov 10, 2005 as KB3MUF · 2 licenses · FRN 0014253686

AB3FY Active Amateur Extra Jul 31, 2007 → expires Dec 30, 2035

Licensee
Peicheng Chu

Address
Attn: Peicheng Chu
2133 Emanuel CT
Easton, PA 18045
40.6517, -75.2976 (street) · Grid FN20ip · CQ 5 · ITU 8 · map ↗

FRN
0014253686

Previous call
KB3MUF (General)

Last granted
Dec 30, 2025

Effective
Dec 30, 2025

Last action
Dec 30, 2025
FCC actions (6)
- Dec 30, 2025 — License renewed LIREN
- Mar 12, 2019 — Administrative update LIAUA
- Oct 14, 2015 — License renewed LIREN
- Jun 5, 2009 — Administrative update LIAUA
- Jul 31, 2007 — Systematic call sign granted SYSGRT
- Jul 31, 2007 — License issued LIISS
KB3MUF Canceled Amateur Extra Nov 10, 2005 → Jul 31, 2007 (canceled)

Licensee
Peicheng Chu

Address
110 Jeremy Ct
Easton, PA 18045
40.6917, -75.2749 (ZIP center) · Grid FN20iq · CQ 5 · ITU 8 · map ↗

FRN
0014253686

Last granted
Nov 10, 2005

Effective
Jul 24, 2007

Last action
Jul 31, 2007
FCC actions (5)
- Jul 31, 2007 — License canceled LICAN
- Jul 24, 2007 — License modified LIMOD
- May 31, 2007 — License modified LIMOD
- Nov 10, 2005 — License issued LIISS
- Nov 10, 2005 — 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 May 6, 2019 → Oct 4, 2026 · 14 snapshots · as AB3FY
Peicheng Chu
Attn: Peicheng Chu
2133 Emanuel CT, Easton, PA 18045
40.6517, -75.2976 (street) · Grid FN20ip · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 80 snapshots · as KB3MUF
Peicheng Chu
110 Jeremy Ct, Easton, PA 18045
40.6917, -75.2749 (ZIP center) · Grid FN20iq · CQ 5 · ITU 8 · map ↗

Others requesting KB3MUF

1 application listed KB3MUF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 22, 2007	Jun 9, 2007	KB3PCE · Norman A Showers · Frederick, MD	5	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KB3MUF in the last 24 hours. They show up here within seconds of KB3MUF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.