JA7RHK Callsign on QRZCQ.com

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QRZCQ - The database for radio hams

2026-01-16 22:22:13 UTC

JA7RHK

Active QRZCQ.com user

Sumio Koseki

Sendai
Japan

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

Call data

Last update:	2025-08-02 14:38:54
QTH:	SENDAI
Continent:	AS
Views:	505
Main prefix:	JA
Class:	Amateur First-Class
Latitude:	38.2597498
Longitude:	140.8886719
Locator:	QM08KG
DXCC Zone:	339
ITU Zone:	45
CQ Zone:	25

Most used bands

20m
(35%)

15m
(27%)

10m
(25%)

40m
(6%)

17m
(5%)

Most used modes

FT8
(92%)

FM
(5%)

SSB
(3%)

CW
(1%)

QSL data

Last update:	2022-07-30 15:34:58
eQSL QSL:	no
Bureau QSL:	YES
Direct QSL:	no
LoTW QSL:	YES

Biography

Web site
< https://www.qrz.com/db/JA7RHK >

Worked DXCCs:

Equipment

RIG: Yaesu FTDX3000DM(50W), FT-7900(20W)
Antenna : Trapped Vertical (CP-5HS2) for 20M/15M/10M about 10m High
IV Dipole for 40M about 9m High

Rev. 2d9bf23568