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home QRZCQ - The database for radio hams 
 
2025-12-27 21:49:40 UTC
 

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JF2RSF

Active QRZCQ.com user

activity index: 0 of 5

Yokoyama Katsuhiro

319-1414 Hitachi City
Japan

AS
japan
image of jf2rsf

Call data

Last update:2024-12-21 08:23:06
QTH:IBARAKI JAPAN
Continent:AS
Views:334
Main prefix:JA
Latitude:36.6331890
Longitude:140.6738480
Locator:QM06IP
DXCC Zone:339
ITU Zone:45
CQ Zone:25

Most used bands

15m
(26%)
10m
(24%)
20m
(16%)
12m
(11%)
17m
(9%)

Most used modes

FT8
(69%)
CW
(20%)
SSB
(10%)
FT4
(2%)
0433
(1%)

QSL dataUp to date!

Last update:2025-01-05 01:10:14
eQSL QSL:no
Bureau QSL:YES
Direct QSL:YES
LoTW QSL:YES

Biography

In 1979, obtained telefhon class certification.

In the same year, opend the amateur radio station JF2RSF in Iwata City, Shizuoka Prefecture.

Began operating ad a mobile station from Yokohama City, Kanagawa Prefecure in 1981.

Qualified as a second class in Jun 1984.

QRT from June 1996 to October 2021.

Resumed operation as a mobile station from Ohta-ku, Tokyo in Nobenver 2021.

Operation ceased on September 30, 2024.

Began operations under new call sign: JL1DQE.

Worked DXCCs:

DX Code Of Conduct

dx code of conduct small logoI support the "DX Code Of Conduct" to help to work with each other and not each against the others on the bands.

Other images

second pic
JF2RSF / Pic 2
  

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