N9TPB
FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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, WIKB9YSI HAM
✅ Available for a vanity request — free since Oct 11, 2009.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Oct 10, 2007 · eQSL AG member · QRZ · HamQTH
Not currently held · 1 holder on record · available since Oct 11, 2009
Previous holder: William C Muhr
Held KB9YSI Jan 23, 2001 → Oct 10, 2007 · first licensed Jan 23, 2001 as KB9YSI · 2 licenses · FRN 0004807269
-
- Licensee
- William C Muhr
- Address
- 40 W 981 Bridle Creek Drive
St Charles, IL 60175
- FRN
- 0004807269
- Previous call
- KB9YSI (General)
- Last granted
- Oct 4, 2017
- Effective
- Oct 4, 2017
- Last action
- Oct 4, 2017
FCC actions (3)
- Oct 4, 2017 — License renewed LIREN
- Oct 10, 2007 — Vanity call sign granted VANGRT
- Oct 10, 2007 — License issued LIISS
-
- Licensee
- William C Muhr
- Address
- 40 W 981 Bridle Creek Drive
St Charles, IL 60175
- FRN
- 0004807269
- Last granted
- Jan 23, 2001
- Effective
- Mar 21, 2006
- Last action
- Oct 10, 2007
FCC actions (4)
- Oct 10, 2007 — License canceled LICAN
- Mar 21, 2006 — License modified LIMOD
- Mar 27, 2001 — License modified LIMOD
- Jan 23, 2001 — License issued LIISS
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 93 snapshots · as KB9YSI
William C Muhr
40 W 981 Bridle Creek Drive, St Charles, IL 60175
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB9YSI in the last 24 hours. They show up here within seconds of KB9YSI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.