Datasheet 2

Datasheet 1 からの続き


Dipole antennas
Long wire antennas
Yagi antennas invented by Dr.Hidetsugu Yagi and Dr.Shintaro Uda
The other Japanese compact antennas
Skywave propagation including  Near Vertical Incidence Skywave propagation(NVIS) technology
Solar cycle and ionosphere
Analog phone QSOs
DX FM radio, DX AM radio and AIR bands receiving
Meteorology particularly typhoons and forecasting
Virology, immunology, epidemiology and human nutrition
Web technologies
Science, engineering, technologies, designs and philosophies particularly from Japan

QSL Cards

Three ways including a classical snail 6-month paper post card via the bureau, Internet web based supersonic e-card via and no exchange of cards too.

Databases Registered:

Ministry of Internal Affaires and Communications of Japan: Yes
: Yes Yes Yes
Air HAM LOG: Yes
Turbo HAMLOG: Yes

Contests / Awards


アワードについては、全て自分ひとりだけで「企画・参加・審査・表彰」を行う、『430 ひとりアワード』を実施中。まずは東京都の島を除く全自治体の局長さんと430MHz band でQSO。区については残りは品川区だけなのだが、これがなかなか苦戦。。賞品は良さげなウイスキーになる予定なので、JARLの賞品よりずっと豪華!(笑) 

Bands appearing now.

3.8MHz band  – 50 MHz band

Antenna: A dipole antenna
Balun: COMET’S CBL-2500 (1.5MHz – 56MHz)
Antenna masts: Telescopic aluminum masts, COMET’s CP-80L x 1 piece, COMET’s CP-45 x 2 pieces and SUNSHUN’s SCCF-8000 x 1 piece
Tower: NAGARA’s NRT-200HD

430MHz band

Antenna-1: A ground plane antenna, DIAMOND’s X-50
Antenna-2: A Yagi antenna, RADIX’s RY-430M6 with six elements
Antenna-3: A biconical antenna, COMET’s CBC-70
Antenna-4: A loop antenna, GH-4 with four elements
Antenna-5: A loop antenna with seven elements made by Minoru Fukazawa
Antenna-6: A Yagi antenna designed by Tomohiko Kinebuchi and made by Hiro
Antenna-7: A 5/8 λ rod antenna, SAGA DENSHIKOGYO’s Super ROD-7 SMA


ICOM’s IC-7610M

A desktop one, HF & 50MHz

YAESU’s FT-7900H

A desktop one, 144  & 430MHz


A handheld one, 144  & 430MHz



A desktop one, 100KHz to 1,300MHz


A handheld one, 100KHz to 1,300MHz

GAKKEN’s Vacum Tube Radio Version 2

A desktop one, 531KHz – 1,602KHz

Power Supplies:

Alinco’s DM-330MV

A desktop one, Output DC 5-15V variable, Maximum 30A

Panasonic’s BQ-100

A portable one, DC 12V, Maximum 10A

The other antennas:

A Yagi antenna, RADIX’s RY-144M3/II with three elements x 1 piece, for 114MHz, 12 meters above the ground using vertical fixed directional radio wave propagation.

A super disk-cone antenna, DIAMOND’S D-130 mainly for receiving.

An FM Yagi antenna, MASPRO’s FM2A with two elements x 1 piece,   12 meters above the ground for horizontal fixed directional FM radio waves.

A four-loop antenna GH-4 for 430MHz band designed by Tomohiko Kinebuchi (JA1NUW)

The other items and facilities:

Roof towers: NAGARA’s NRT-200 and NRT-150


Cable Selectors: DIAMOND’s CX310A x 2 pieces

Antenna Standing Wave / Network Analyzer: COMET’s CAA-500 Mark II

Antenna Stay: GLASS FIBER KOKEN’s DEBEGLASS WIRE 4mm diameter デベグラスワイヤー


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