pen Boundary Quad-Ridged Horn Antenna Applications:

• - Low Cross-interference 
• - Antenna Measurement
• - Electromagnetic Measurement
• - Electromagnetic Compatibility Testing (EMC test)
• - Ultra-wideband Radar Detection
• - Some antennas have a compact design that makes them ideal for use with a tripod-mounted - Antenna Tripod

Learn more: Summary table of Open Boundary Quad-Ridged Horn Antenna

金面山是在台北內湖的登山步道。
在陽光下會閃閃發光，所有叫做金面山，我們在小年夜的上午，相揪去登金面山。
進入步道入口就是連續陡上的石階，接著還有需要手腳並用、拉繩借力攀爬的大岩石，而地標的懸空的剪刀石，更是個熱門打卡拍照點。

https://youtu.be/PwaPMR_vYos?si=TMCguCf-c8_4t6Nk