Homemade Simple 29.6MHz Half Half Wave Dipole Antenna ----- Half-Wave Dipole Antenna

Keywords: broadcast short-wave antenna production method Four broadcast short-wave antenna production methods Abu (1) Note: Simple Double Vibrator Single Wave Section Antenna, inch inch in the chart, such as 19'3 ", is 19 英 3-inch this antenna has a good effect on the selected single wave section. Abu (2) Note: This is an extension of Figure 1, first-drawing of FIG. 1 causes a simple dual-vibrator single band antenna, then uses a balance line for television to receive other bands (L2 to L4), cut out too long. Part of the spacer (small map in Figure 5), this antenna can receive signals of 49, 31, 25, and 19 mTM, the best signal to accept and the antenna is optimal. The above figure (3) Note: Receive 1/4 wavelength vertical sector of a single band This antenna provides a good single wave section to receive the Ground System buried system, with a minimum of 15, length 0.1 wavelength (ie in the table, buried in the ground, 3 inches. If The device has a bury system that receives 49 meters, and is also suitable for the lower band (31, 25, 19, 16 13 measures) vertical portion (L) in the soda water bottle (such as the upper right small picture) Connect antenna. Above (4) Note: 7-band vertical seat antenna This is an extension of the 1/4 wavelength vertical space antenna of a single band, first illustrated the antenna that receives 49 bands, then With the balance line for television, other bands (L2 to L7) are received, and the excessive portion is cut, each can receive two bands, and then pass a waterproof plastic box with a knife seven-throw switch to select the desired Band connection to the radio

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