 - Amateur radio in Taiwan - Part1, History of radio in Taiwan- Introducing history of radio in Taiwan must starting from the mordern history of China. 
 - Japan Castles On The Air (JACOTA) - Castle 6. Izushi castle ... Defeated by the Weather and Covid- I was scheduled to go to Izushi castle the second week of August to operate ham radio, but typhoon #9 hit the whole Kansai area. 
 - Short Break - Building an automatic backup power switching unit- I built a unit to automatically switch from AC power to DC backup power in the event of a power outage. 
 - Report from Thailand - Celebrating 400th anniversary of trade relationship between Denmark & Thailand, etc.- There are two special event callsigns to celebrate the 400th anniversary of trade relationship between DENMARK & THAILAND, OZ4ØØHS and HS4ØØOZ. 
 - Technical Trivia by Dr. FB - 2.4 GHz Wireless LAN Antenna- I dismantled the 802.11b/g compatible wireless LAN antenna, thinking that the era of millimeter waves would come to amateur radio. 
FB NEWS Worldwide September 2021
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