JA3RDU Callsign on QRZCQ.com

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QRZCQ - The database for radio hams

2025-12-07 03:17:17 UTC

JA3RDU

Active QRZCQ.com user

KENTARO HASE

593-8301 Nishi-ku, Sakai-City
Japan, Osaka

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

Call data

Last update:	2022-06-22 11:23:41
QTH:	Osaka
Continent:	AS
Views:	378
Main prefix:	JA
Class:	1
Federal state:	Osaka
Latitude:	34.5512966
Longitude:	135.4768458
Locator:	PM74RN
IOTA:	AS-007
DXCC Zone:	339
ITU Zone:	45
CQ Zone:	25

Most used bands

2m
(26%)

15m
(16%)

6m
(15%)

70cm
(13%)

40m
(9%)

Most used modes

SSB
(54%)

CW
(30%)

FM
(16%)

DV
(2%)

AM
(1%)

QSL data

Last update:	2022-06-22 11:19:36
eQSL QSL:	YES
Bureau QSL:	YES
Direct QSL:	YES
LoTW QSL:	YES

Biography

1968 Started Ham Radio in Osaka-city after 2years SWL period
1975 Got a job in a metal refining company in Tokyo
1975-2012 Job transferred to JA1/JA2/JA3/JA5/JA6
2013 After retiring from company, came back to my home town Osaka
2015 Licensed 1KW station as another callsign JS6TGX in Okinawa
2015 QRV from Guam as KH2/JS6TGX in April (QSL via JS6TGX)
2018 1968-2018 50th Anniversary
2018 Licensed 500W station at present address

Worked DXCCs:

Rev. 2d9bf23568