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JF1MHN Japan flag Japan

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QSL: DIRECT

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Ham Member Lookups: 7894

 

INFORMATION


Callsign:JF1MHN Since2009、 GL:PM95RW、 JCC 1302

Greetings to all radio amateur stations. Hi ! thanks for looking me up.

It's birth two years later after a korean war outbreak. as the birth already indicates ,so

I have been licenced since 2008 and I am 58 years old. I look forward to working you some time.

Right  RF field strength meter  、 Left  side IC-706 FT-780 etc.


The 17 Meter Isotron Antenna

This is HF Antenna for Small Space.

It is small. The VSRW adjustment is very touchy. And VSRW is 1.0

The Asotron Antennas are for hams that have limited space for installing antennas.


The Small Loop Antenna

I have been experimenting small transmitting loop antennas in the 430MHz bands
since the 2014's. This mla will perform when mounted vertically and will exhibit
useful sharp nulls in the azimuth pattern. A FL Lamp turned on by an electromagnetic wave.

The bandwidth is on the order of 200kHz at 433 MHz. I was easily able to obtein
at 10dB return loss. On the analyzer results I thoutht the antenna would probabily work pritty well.
However when I applied 10 watts of RF to it at the resonant frequency the whole antenna quickly became hot.


free counters

 

6839439 Last modified: 2015-11-08 07:04:12, 3096 bytes

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