JA3KNB Callsign on QRZCQ.com

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QRZCQ - The database for radio hams

2025-12-21 10:28:11 UTC

JA3KNB

Active QRZCQ.com user

Matsumura Kazuto

575-0043 SHIJYOUNAWATE-CITY, OSAKA
Japan

APRS Info • eQSL Info • PSK Info • View logbook • ClubLog • D-STAR • DMR

Call data

Last update:	2012-05-31 01:08:49
Continent:	AS
Views:	371
Main prefix:	JA
Latitude:	34.7367210
Longitude:	135.6275840
Locator:	PM74TR
DXCC Zone:	339
ITU Zone:	45
CQ Zone:	25

Most used bands

15m
(48%)

17m
(20%)

20m
(13%)

10m
(9%)

40m
(5%)

Most used modes

CW
(41%)

FT8
(30%)

SSB
(30%)

MFSK
(1%)

AM
(1%)

QSL data

Last update:	2018-03-28 02:40:05
eQSL QSL:	YES
Bureau QSL:	YES
Direct QSL:	YES
LoTW QSL:	YES

Biography

Classic Exchange -- A Vintage Radio Contest
The CX is a no-pressure contest celebrating the older commercial and homebrew equipment that was the pride and joy of ham shacks many decades ago.
The object is to encourage restoration, operation and enjoyment of this older "Classic" equipment.
See you CX !

http://www.classicexchange.org/

http://www.arrl.org/news/classic-exchange-a-vintage-radio-contest

Worked DXCCs:

Equipment

1.Collins 75S-3C 32S-3
2.Collins KWM-2
3.Collins 75S-1 32S-1
4.HeathkitHW-8
5.Drake Cline
6.Hammarlund HQ100-A Heathkit DX-40
7.Drake TR-4
8.FT-101S
9.TS-130
10.Heathkit SB-102
11.Hallicrafters SX-111 HT-37

Rev. 2d9bf23568