Main

Main

Feb 20, 2022 · Yes, it is important to ground all radio antennas. Even if your antenna is made of plastic, it needs to be grounded because it has metal inside. All antennas are originally designed to capture the power. Grounding will enable you to minimize potential damage when your ham radio transceiver antenna is struck by lightning. Radio users can make their own homemade AM radio antennae by winding a coil out of single-strand wire, grounding the wire and putting a portable radio near the coil. Important supplies include single-strand wire, cardboard, tape and a wire ...Lightning “strikes” near the antenna It is very common. Telephone companies should have surge protection devices installed on the line. Unfortunately, they do not always exist or sometimes their maintenance is incomplete and they do not work as they should. So a surge can travel far.May 30, 2020 · An attic antenna isn’t going to attract lightning anymore than the usual stuff found in the attic such as AC ducts, electrical wiring, CATV, phone, etc. How do I protect my antenna from lightning? The easiest is to ground your antennas and tower so that a lightning strike will go into the ground and away from your house. Introduction. Proper lightning protection is an important aspect of designing a safe amateur radio station. Recently, many amateurs have become concerned about possible damage from EMP, or Electromagnetic Pulse. Fortunately, EMP protection has been studied by Dennis Bodson, W4PWF, and effective mitigation strategies published in QST. The topic of lightning protection of our radio equipment and everything else in our homes wisely comes up often in the various ham related email lists on the Internet. A particular …5 de dez. de 2012 ... ... General Technical Discussions · Audio, CB & Ham Radios, GPS, & Electrical ... Can a fiberglass CB antenna get struck by lightning?Radio and television antenna towers are also struck frequently, although I hasten to add that they do not “attract” lightning that would not have come ...Introduction. Proper lightning protection is an important aspect of designing a safe amateur radio station. Recently, many amateurs have become concerned about possible damage from EMP, or Electromagnetic Pulse. Fortunately, EMP protection has been studied by Dennis Bodson, W4PWF, and effective mitigation strategies published in QST.A second advantage to mounting the antenna in the attic is that you will be protected from lightning strikes in the event of severe weather. the house will act as a natural shield and as long as your attic mounted antenna system is independent to the rest of your antennas, lightning won't be an issue. This is great for the amateur radio ...
best monitor speakerswireguard android dns not workingmailboxes near me hobokensurveys for money near mepostmates promo codescaramouche debate club originalwoman in gold cast judgemars in 10th house synastry tumblr

My Comet dual band antenna got struck by lightning. But what puzzles me is that the coax and radios it was attached to are fine, even though it wasn’t grounded. I seek the expertise of the YT... tennas, it is radiated as noise and we hear it on the ham bands. Fig 1 shows a simple antenna we've all used, probably with our first radio receiver.Lightning is not attracted to anything. It will go the path of least resistance. There is no attraction - just physics. Also, lightning goes from Earth to sky as Earth has less resistance than the sky. Lightning in that case would not be attracted to the antenna but it would be "attracted" to the sky through the antenna. 2008-04-10 18:10:26 UTCNov 18, 2021 · Chameleon Emcomm IIIP Antenna – Antenna, Portable, 160M-10M May 06, 2019 No comments CHAMELEON ANTENNA EMCOMM-III Portable HF Antenna is specially designed for short to long range portable and man-pack HF communications. My Comet dual band antenna got struck by lightning. But what puzzles me is that the coax and radios it was attached to are fine, even though it wasn’t groun... 830. Apr 22, 2017. #4. I would suggest that especially in mobile installations, you need an antenna counterpoise--not necessarily a ground. "Ground" can mean an earth ground, a chassis ground, a counterpoise, etc., many different things. Actually what you are doing on a car or boat is "bonding" different pieces, not necessarily grounding them ...Mar 20 #6852. Most likely the damage to your garage door opener was caused by a power line surge and not direct lightning damage. I worked in the cellular/paging/2way market in New England for about 25 years and I would have to estimate 95% of storm damage was from power line and telephone line sources. Joe. Sep 09, 2008 · A number of years ago, lightning struck the amateur radio tower behind my house. I was there at the time and observed that the flash and impossibly loud thunderclap were simultaneous. The top 2-meter vertical antenna was literally blown in half (I later found the top part stuck in the ground like a javelin), and the radio to which it was ... May 30, 2020 · An attic antenna isn’t going to attract lightning anymore than the usual stuff found in the attic such as AC ducts, electrical wiring, CATV, phone, etc. How do I protect my antenna from lightning? The easiest is to ground your antennas and tower so that a lightning strike will go into the ground and away from your house. Jan 11, 2021 · Very compact and light Is resistant to water Can be used indoors and outdoors Works at several frequencies. Cons Height must be accurately adjusted to ensure a clear reception. 5. HYS VHF UHF Mult-Band Mobile Radio 2 Meter & 70cm Antenna 37.9 Inch 144/245/430Mhz The rapid dis - charge of electricity along this channel is lightning, both cloud-to-cloud and cloud-to-ground. The power of a lightning strike is daunting. In 0.2 seconds, the air around the conductive channel can heat up to 50,000°F. An object in the path of a lightning strike may be sub - jected to as much as 3 million volts.

pivot point excel spreadsheetcoleman evcon furnace manualwhat does bika meanapps like sign up geniusmeasures of variation real life examplesbms specificationblu view 3 battery replacementcheap hotels in san diego this weekendsubmitted application