N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 6, 2026) · next update today 6:00 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIWB0IOL HAM
✅ Available for a vanity request — free since Jul 23, 2019.
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 Jul 23, 2019
Previous holder: Martin L Klaus
Held WB0IOL Nov 24, 1987 → Jul 22, 2017 · first licensed Nov 24, 1987 as WB0IOL · 1 license · FRN 0002334506
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- Licensee
- Martin L Klaus
- Address
- 742 Buckingham Dr
Camdenton, MO 65020
- FRN
- 0002334506
- Last granted
- May 1, 2007
- Effective
- Jan 27, 2009
- Last action
- Jul 23, 2019
FCC actions (5)
- Jul 23, 2019 — License expired LIEXP
- Jan 27, 2009 — Administrative update LIAUA
- May 1, 2007 — License renewed LIREN
- Jun 2, 2000 — License modified LIMOD
- Sep 1, 1999 — Administrative update LIAUA
Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
- Seen Oct 31, 2000 → Apr 17, 2003 · 6 discs
WB0IOL · Amateur Extra · issued Jun 2, 2000, expires Jul 22, 2007
MARTIN L. KLAUS
HCR 69 BOX 212, SUNRISE BEACH, MO 65079 - Seen Oct 8, 1999 → May 2, 2000 · 2 discs
WB0IOL · Advanced · issued Sep 1, 1999, expires Jul 22, 2007
MARTIN L. KLAUS
HCR 69 Box 212, Sunrise Beach, MO 65079 - Seen Mar 9, 1998 → Apr 7, 1999 · 3 discs
WB0IOL · Advanced · issued Jul 22, 1997, expires Jul 22, 2007
MARTIN L KLAUS
116 6TH ST, WEST DES MOINES, IA 50265 - Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs
WB0IOL · Advanced · issued Nov 24, 1987, expires Nov 24, 1997
MARTIN L KLAUS
3327 61ST ST, DES MOINES, IA 50322
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WB0IOL in the last 24 hours. They show up here within seconds of WB0IOL beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.