🕒 FCC license data updated today 7:16 am CDT (FCC files through Oct 22, 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, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
KB9BIY HAM
✅ Available for a vanity request — free since Aug 3, 2000.
2x3 call: any licensee can request it.
No pending applications list it.
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 Sep 9, 1993 → May 2, 2000 · 13 discs KB9BIY
· Novice · issued Aug 2, 1988, expires Aug 2, 1998
SENA I. BLUMENSAADT
3815 N SPAULDING, CHICAGO, IL 60618
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 18, 2026 · 50 snapshots · as KB9BIY
SENA I BLUMENSAADT
3815 N SPAULDING, CHICAGO, IL 60618
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 KB9BIY · class N
Sena I Blumensaadt J815 N Spauldin2, Chica90, IL 60618 1997 p.1845
1993 → 1995 · 2 editions KB9BIY · class N
Sena I Blumeosaadt 3815 N Spaufdiog, Chicago, IL 60618 1993 p.1489, 1995 p.1722
1991 · 1 edition KB9BIY · class N
Sena I Blumensaadl 3815 N Spaulding, Chicago, IL 60618 Winter 1991 p.1316
1990 · 1 edition KB9BIY · class G
Dennis W Dumyahn 1617 Strattord Dr, Springfield, IL 61704 Winter 1990 p.1214
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KB9BIY in the last 24 hours. They show up here within seconds of KB9BIY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.