🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 4, 2026) · next update today 9:45 am CST
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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
WD9HMB HAM
✅ Available for a vanity request — free since Dec 6, 2017.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Dec 6, 2017
Previous holder: MARK KACZOROWSKI
Held WD9HMB Dec 3, 1985 → Dec 5, 2015
· first licensed Dec 3, 1985 as WD9HMB
· 1 license · FRN 0014190482 📖 In the printed callbooks since 1979 as WD9HMB, before the FCC's online records
WD9HMBExpiredNoviceDec 3, 1985 → Dec 5, 2015 (expired)
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 Apr 21, 1996 → Apr 17, 2003 · 14 discs WD9HMB
· Novice · issued Dec 5, 1995, expires Dec 5, 2005
MARK KACZOROWSKI
6759 SOUTH KOLMAR, CHICAGO, IL 60629
Seen Sep 9, 1993 → Oct 26, 1995 · 5 discs WD9HMB
· Novice · issued Dec 3, 1985, expires Dec 3, 1995
MARK KACZOROWSKI
6759 SOUTH KOLMAR, CHICAGO, IL 60629
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Nov 1, 2026 · 51 snapshots · as WD9HMB
MARK KACZOROWSKI
18 Kirkdale Drive, Marlton, NJ 08053
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1997 · 1 edition WD9HMB · class N
Mark Kaczorowski 0759 South Kolmar, Chicago, IL 60619 1997 p.1882
1996 · 1 edition WD9HMB · class N
Mark Kaczorowski! 6759 South Kolmar Chica~o, IL 60629 1996 p.1814
1990 → 1995 · 2 editions WD9HMB · class N
Mark Kaczorowski 6759 South Kalmar, Chicago, IL 60629 Winter 1990 p.1248, 1995 p.1759
1984 · 1 edition WD9HMB · class N
Mark Kaczorowski B 59 South Kolmar, Chicago Il B0b19 Winter 1984 p.1160
1979 → 1980 · 2 editions WD9HMB · class N
Mark Kaczorowski 6759 S Kolmar, Chicago, IL 60629 Winter 1979 p.971, Winter 1980 p.1035
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WD9HMB in the last 24 hours. They show up here within seconds of WD9HMB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.