Detailed explanation of the manufacturing method of shortwave antennas
Release Time:
2024-06-13
There are three main types of shortwave antennas commonly used, the first is vertical antennas (GP), the second is even-level antennas (DP), and the third is Yagi antennas (YAGI). In addition, there are frame, diamond, dish and so on, here we mainly discuss the first three types of antennas, which focus on even-level antennas and their deformations. From the point of view, GP antennas are mainly used for short-to-medium distance communication, especially for short-range communication relying on ground wave transmission, and the effect is very good. And the DP antenna is not very effective in close communication. Due to height limitations, it is not possible to set up very high antennas, generally speaking, GP antennas with a height of 5-10 meters are suitable for self-erection.
Generally, GP antennas are more commonly used in the 21-29M frequency band, and GP antennas are no longer used in lower frequency bands. In addition, the lightning protection of the GP antenna is also relatively difficult to do, and it is impossible to make a lightning rod with an iron pipe higher than the antenna next to the antenna, right?
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Daxiandi Industrial Area, Quantang, Liaobu Tomn, Dongguan, Guangdong, China
