Category Archives: ハム ラジオ、アマチュア無線、ham radio, amateur radio

バランの修理Balun Repair

2010/01/05            日本語は下にあります。 ve3cgc@hotmail.com   “ Repairing two baluns “  「古いバランの修理」   I bought two baluns many years ago.  A couple of years ago, one of them I was using for 40m loop was broken.  I homebrewed a new 4 to 1 toroidal … Continue reading

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QRPp contacts, QRPp QSO

2009/12/03                       日本語は下にあります。  ve3cgc@hotmail.com   “ QRPp contacts “    「QRPp  QSO」   The Michigan Mighty Mite (the MMM ) is a one transistor Xtal controlled QRPp transmitter generating about 300mW to 400mW.   The key parts required are as follows: (1)   transistor … Continue reading

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SW-40 & SW-20 repair

2009/11/08                  日本語は下にあります。    ve3cgc@hotmail.com   “ SW-40 and SW-20 intermittent cracking noise in keying“  「SW-40とSW-20の送信時のガリガリ音」   I built the SW-40 and SW-20 QRP transceivers and they have been working well.  In the spring, 2009, the two transceivers generated the intermittent … Continue reading

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Coils 自作コイル

2009/10/07           日本語は下にあります。              ve3cgc@hotmail.com   Subject:   The way I homebrew coils.  「コイルを自作する。」     I homebrew tube QRP transmitters and antennas.  So I make coils when I need them because these are hard to buy as well as difficult to find … Continue reading

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The Portable Windom Vertical, VCH アンテナ

2009/08/06            日本語は下にあります   ve3cgc@hotmail.com   Subject:   “The portable windom vertical antenna”   「VCH アンテナ」   This antenna was designed and developed by JP6VCH, S Matsuki, primarily for the portable outdoor use such as camping, hiking, fishing trips, and cycling etc.  It is popular among … Continue reading

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The Field Day, 2009 フィールド デイ 2009

2009/07/12            日本語は下にあります。         ve3cgc@hotmail.com   Subject:    “ The Field Day, 2009 “    「フィールド デイ 2009年」   In the past 4 years, I set up my station at my backyard.  This year also my station was set up as follows. Transceivers:   Yaesu FT-817  … Continue reading

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