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How to weatherproof a coax connection?
Wrap the connector joints and the end where the coax enters the connector with Scotch #2228 Moisture Sealing Electrical Tape, then wrap that with Scotch #777 Vynal Electrical Tape, making sure you completely cover the #2228 with the #777.- N5GE
- Post #11
- Forum: Amateur Radio Antennas
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360 ft. wire antenna 22db gain?
What you described is a Beverage antenna. They actually have little gain and are not used for transmitting. They do however have a sharp frontal lobe at the terminated end. They are very low noise antennas and are usually used with a preamp. They have to be several wavelengths long to be...- N5GE
- Post #14
- Forum: Amateur Radio Antennas
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360 ft. wire antenna 22db gain?
That's not possible. According to an EZNEC 5.0+ Pro model I just made the gain at ten feet above the ground on 14MHz is 8.5 dBi. At 200 feet it's 11.1 dBi.- N5GE
- Post #13
- Forum: Amateur Radio Antennas
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Antenna Height
Here are some examples of changing the height of a three element ten meter NBS Yagi-Uda (Mr. Uda was Mr. Yagi's partner in designing the Yagi antenna. Both gentlemen were Japanese.) at 28.025 MHz modeled with EZNEC+ 5.0 Pro: Let's talk about gain. Gain can be measured in two ways dBi and...- N5GE
- Post #12
- Forum: Amateur Radio Antennas