【40mバンドのホイップ・アンテナを作る】 abstract I have built a 40m Band Whip Antenna. This antenna is designed to enjoy HAM by carrying a radio station in a car and moving it around. This antenna has the same structure as the 30 m band antenna introduced in two previous Blogs. Of course, the resonant frequency is different. The construction was easy as I used some parts specially designed for whip antennas. The