🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 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)
K5GZU HAM
✅ Available for a vanity request — free since Mar 6, 2026.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Mar 6, 2026
Previous holder: ROBERT S FRAENZLE
Held K5GZU Mar 15, 1985 → Mar 5, 2024
· first licensed Mar 15, 1985 as K5GZU
· 1 license · FRN 0009955899 📖 In the printed callbooks since 1958 as K5GZU, before the FCC's online records
K5GZUExpiredGeneralMar 15, 1985 → Mar 5, 2024 (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 3, 1994 → Apr 17, 2003 · 18 discs K5GZU
· General · issued Jan 18, 1994, expires Jan 18, 2004
ROBERT S. FRAENZLE
3320 E LATIMER PL, TULSA, OK 74115
Seen Sep 9, 1993 · 1 disc K5GZU
· General · issued Mar 15, 1985, expires Mar 15, 1995
ROBERT S FRAENZLE
3320 E LATIMER PL, TULSA, OK 74115
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Mar 28, 2014 → Oct 4, 2026 · 38 snapshots · as K5GZU
ROBERT S FRAENZLE
1501 south 161 east ave, TULSA, OK 74108
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.
1996 · 1 edition K5GZU · class G
Robtrt S Fratnzlt 3310 E Latimer Pim, Tulsa, OK 74115 1996 p.965
1994 · 1 edition K5GZU · class G
Robert S Fraenzle 3320 E Latimer Place, Tulsa, OK 74115 Winter 1994 p.866
1994 · 1 edition K5GZU · class A
Bruce W Wiley Pob 16298, Seattle, WA 98116 1994 p.865
1991 · 1 edition K5GZU · class G
Robert S Fraenzle 3320 Elatimer Place, Tulsa, OK 74115 Winter 1991 p.732
1987 · 1 edition K5GZU · class G
Robert S Fraenzle Ll10 E Latimer Place, Tulsa, OK 74115 Winter 1987 p.649
1986 · 1 edition K5GZU · class G
Robert S Fraentle 3320 Ha Timer Place, Tulsa, OK 74115 Winter 1986 p.639
1981 → 1984 · 4 editions K5GZU · class G
Robert S Fraenzle 3320 E Latimer Pl, Tulsa 1981 p.514, Winter 1982 p.602, Winter 1983 p.620, Winter 1984 p.644
1979 · 1 edition K5GZU · class G
Robert 5 Fraenzfe 3320 E La1iner !:ir, !~isa., OK 74110 Winter 1979 p.39
1977 → 1978 · 2 editions K5GZU · class G
Robert S Fraenzle 13128 E 4th Pl, Tulsa 74108 Ok Winter 1977 p.365, Winter 1978 p.507
1976 · 1 edition K5GZU · class G
Robert S Fraenzle 13128 E 4th Pi, Tulsa 74108 Ok Winter 1976 p.338
1975 · 1 edition K5GZU · class G
Robert S Fraen~e 1jl28 E 4th Pl, Tulsa 74108 Ok Winter 1975 p.332
1969 → 1974 · 6 editions K5GZU · class G
Robert S.fraenzle 13128 E.fourth Place, Tulsa Ok W5hdw A 8 F F $ T T C . ^ S T E I N B F R G E R 6 4 4 ^ S ^ S I X T H I F F A I R F A X Ok Summer 1969 p.325, Winter 1971 p.335, Fall 1971 p.336, Winter 1972 p.339, Winter 1973 p.339, 1974 p.309
1967 · 1 edition K5GZU · class G
Robert S.fraenzle 13126 E.fourth Place, Tulsa Ok Fall 1967 p.329
1965 → 1966 · 2 editions K5GZU
Robert S.fraenzle. I 3128 E.fourth Place. Tulsa Okla. Summer 1965 p.305, Spring 1966 p.305
1964 · 1 edition K5GZU
Robert S . F R A E N Z L E 1 3 1 2 8 E . F O U R T H Place, Tulsa Okla Fall 1964 p.299
1963 · 1 edition K5GZU
Robert S .fraenzlei 13128 E .fourth Place T Tulsa Okla Summer 1963 p.320
1961 · 1 edition K5GZU
Robert Sefraenzletl3128 Eefourth Place Tulsa Okla Fall 1961 p.314
1960 → 1961 · 2 editions K5GZU
Robert S.fraenzle E 13128 E.fourth Place. Tulsa Okla Winter 1960 p.300, Spring 1961 p.302
1959 · 1 edition K5GZU
Robert S.fraenzle 13128 E.fourth Place, Tulsa Okla Spring 1959 p.257
1958 · 1 edition K5GZU
Robert S. Fraenzle 13128 East Fourth Place, Tulsa, OK Summer 1958 p.246
None · 1 edition K5GZU · class G
Robert S.fraenzle 3320 E Latimer Pl, Tulsa None p.309
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for K5GZU in the last 24 hours. They show up here within seconds of K5GZU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.