Ivan @bh4src

ham, radio amateur, AF5KF, W5YI China Team VE. Joined May 2022

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Ivan @bh4src

2 months ago

halo and clouds of last three days.

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Ivan @bh4src

3 months ago

酒坛上的6米GP，就算喝酒了也只能JA，换3单元八木了，对着欧洲方向，屁股后面只收到bd5cam。

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Ivan @bh4src

3 months ago

worked some JAs and BYs today with GP on 6m band.

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Ivan @bh4src

3 months ago

钢管舞，太累了，得歇歇。

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Ivan @bh4src

4 months ago

20250511，W5YI China team Suzhou session,we have 9 candidates and 6 VEs. And finally 7 passed E and 2 passed T, congratulations to all examinee.

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Ivan @bh4src

6 months ago

March 23，2025，W5YI中国考试组第一场在上海举行。22名考生和20名考官，人数创记录了。

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Ivan @bh4src

6 months ago

Drill hose clamps a hole to thread wires for hexbeam

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Ivan @bh4src

7 months ago

mod some hooks for hexbeam

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Ivan @bh4src

7 months ago

画了两个图，一个hexbeam支撑杆底板，一个旋转器底板，taobao不锈钢已下单。春暖花开种天线咯。

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Vacuum cleaner doesn't work, it's board is something wrong that cann't open the machine. Just buy a 14.4V battery charger board to replace the board,but need some mod,cause the original board use 5V Charger. Finally, mod it perfectly with a switch & an charger connector.

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Ivan @bh4src

8 months ago

beautiful CZA、22°halo，double sundogs and partial PC.

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Ivan @bh4src

8 months ago

mew....

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Ivan @bh4src

9 months ago

Changan Qiyuan A07，REEV，Full tank & Full charged for about 900km. Pretty good.

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Ivan @bh4src

10 months ago

W5YI-China team held FCC exam Shanghai session on Nov 17th. We had 16 candidates and 15 VEs,and 10 got T, 2 won G, and 3 won E. congratulations to all of you！