🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 16, 2026) · next update today 9:45 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)
KA2DTZ HAM
✅ Available for a vanity request — free since May 17, 2018.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since May 17, 2018
Previous holder: WALTER S PIOTROWSKI
Held KA2DTZ May 31, 1985 → May 16, 2016
· first licensed May 31, 1985 as KA2DTZ
· 1 license · FRN 0015047053 📖 In the printed callbooks since 1980 as KA2DTZ, before the FCC's online records
KA2DTZExpiredGeneralMay 31, 1985 → May 16, 2016 (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 May 12, 1995 → Apr 17, 2003 · 16 discs KA2DTZ
· General · issued Mar 7, 1995, expires Mar 7, 2005
WALTER S. PIOTROWSKI
225 MYRTLE AVE, JOHNSON CITY, NY 13790-1511
Seen Sep 9, 1993 → Oct 31, 1994 · 3 discs KA2DTZ
· General · issued May 31, 1985, expires May 31, 1995
WALTER S PIOTROWSKI
225 MYRTLE AVE, JOHNSON CITY, NY 13790
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as KA2DTZ
WALTER S PIOTROWSKI
225 MYRTLE AVE, JOHNSON CITY, NY 13790-1511
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 KA2DTZ · class G
Walter S Piotrowski 225 Myrtle Ave, Johnson City, NY 13790 1997 p.302
1993 · 1 edition KA2DTZ · class G
Walter S Piotrowski 115 Myrtle Ave, Johnson City Ny Ij790 1993 p.255
1991 · 1 edition KA2DTZ · class G
Walter S Piotrowski 225 Myrtle Ave, Johnson City, NY 13790 Winter 1991 p.234
1989 · 1 edition KA2DTZ · class G
Walter S Piotrowski 115 Myrtle Ave, Johnson City, NY 13790 Winter 1989 p.218
1988 · 1 edition KA2DTZ · class G
Walter S Piotrowski 225 Myrtle Ave, Johnson City, NY 13790 Winter 1988 p.219
1985 → 1987 · 3 editions KA2DTZ · class G
Walter S Piotrowski 115 Myrtle Ave, Johnson City, NY 13790 Winter 1985 p.210, Winter 1986 p.209, Winter 1987 p.212
1984 · 1 edition KA2DTZ · class G
Waltrr 115 Myrtle Ave, Johnson City, NY 13790 Winter 1984 p.213
1982 → 1983 · 2 editions KA2DTZ · class G
Walter S Piotrowski 225 Myrtle Ave, Johnson City, NY 13790 Winter 1982 p.203, Winter 1983 p.208
1981 · 1 edition KA2DTZ · class G
Walter S Piotrowski 225 Og She Ave, Johnson City, NY 13790 1981 p.131
None → 1980 · 2 editions KA2DTZ · class N
Walter S Piotrowski 225 Myrtle Ave, Johnson City, NY 13790 None p.135, Winter 1980 p.196
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA2DTZ in the last 24 hours. They show up here within seconds of KA2DTZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.