Gump, KC5CG talks about the art and science of Radio Direction Finding (RDF). He discusses primers for Direction Finding, including Direction of Arrival (DOA), Time Difference of Arrival (TDOA), Doppler and Correlative Interferometry. Basic equipment is demonstrated, and how to use it. Gump also discusses some home-brew designs, and demonstration KerberosSDR platform.
Roy Lewallen, W7EL, author of EZNEC, why wide-bandwidth, low SWR antennas can't be good.
You can find the full video here: https://youtu.be/4ZMdT4SX0Xo
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https://www.youtube.com/watch?v=f4v0iWscFx4
Harry, K3NF will moderate a Q&A session with the membership at large on various aspects of amateur radio, technical electronics-related subjects, operating issues, antenna concerns, and other cool stuff. This is not multiple choice or be the first to shout out the answer, contest. The moderator will provide background and ask a question. He’ll call on members who have raise their hands to answer. The question pool comes from some of our newer hams, and a few of the old timers too.
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: http://viennawireless.net/wp/about/membership/
You can also browse the archive of past presentations: http://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and streams, please subscribe to the channel.
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https://www.youtube.com/watch?v=5aKNCUCtsBo
Roy Lewallen, W7EL, author of EZNEC, explains what are antenna radiation patterns, how to read them, and how to avoid getting scammed.
You can find the full video here: https://youtu.be/4ZMdT4SX0Xo
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https://www.youtube.com/watch?v=dkTEAAHmrwY
Guest appearance of Dr. Bob Heil K9EID at VWS meeting. He talks about phased arrays, $10k PAs, QST cover award for his equalizer, history of audio equalization in HAM radios, antenna height, mentoring, dormant clubs, remote meetings, booooring nets, signal phasing, how much 3dB is, and plays his famous theater organ.
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: https://viennawireless.net/wp/join/
You can also browse the archive of past presentations: https://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and live streams, please subscribe to the channel.
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https://www.youtube.com/watch?v=EdKK49tWiH0
Gary, KJ4PZP will provide the latest update on plans for VWS Field Day including a review of our antenna layout, operating station configurations, mess plan and other activities.
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: http://viennawireless.net/wp/about/membership/
You can also browse the archive of past presentations: http://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and streams, please subscribe to the channel.
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https://www.youtube.com/watch?v=txAS91MD6-4
Join Paul, N4PSS as he updates us about the SKYWARN program in National Capital Region (NCR). Paul is the Assistant Coordinator for Outreach and Training in the NCR SKYWARN Support Group, and participates as a SKYWARN Desk Operator at the National Weather Service Forecast office in Sterling, VA and Net Control when SKYWARN is activated. The mission of SKYWARN is to collect reports of localized severe weather. These reports are used to aid forecasters in issuing and verifying severe weather watches and warnings and to improve the forecasting and warning processes and the tools used to collect meteorological data. Reports are also used by local emergency managers and public safety organizations.
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: https://viennawireless.net/wp/join/
You can also browse the archive of past presentations: https://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and streams, please subscribe to the channel.
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https://www.youtube.com/watch?v=lVeH-GG6KFk
Doug, AK4AO, will demo the features of our new club space on hamcommunity.com. Some of the new features include:
* New ways to access the Blog, where meeting announcements and other general interest items are posted by the club leadership,
* New photo albums of club events, to which members may contribute without going through a webmaster,
* A discussion area that allows posts and polls, and
* A chat room.
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: https://viennawireless.net/wp/join/
You can also browse the archive of past presentations: https://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and streams, please subscribe to the channel.
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https://www.youtube.com/watch?v=vHGdTwL3PKU
Leon, NT8B Howard, K0LKD and Ron, WA6YOU provide an overview of a tool that simplifies many measurement problems in radio and other applications. They focus on how it is used to measure, compare and compute power levels so you can evaluate the performance of antennas, radios and amplifiers. See that the decibel is a wonderful friend you should not ignore.
00:00 Introduction
03:14 Why decibel is important?
04:27 Where is the Decibel used?
05:39 What is the Decibel?
06:53 Why is it convenient to use logarithmic scale?
08:09 What is a logarithm?
11:09 Expressing power ratio as decibels
16:17 dBW and dBm
21:13 Other references for a decibel
24:00 Decibels hiding in antennas
27:26 Decibels in radio practice
Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia.
To learn more, please visit Club's web site: http://viennawireless.net/wp/
To receive notifications about future live streams, and participate in discussions and activities, please join the Club: https://viennawireless.net/wp/join/
You can also browse the archive of past presentations: https://viennawireless.net/wp/meetings/presentations/
To receive notifications about new videos and streams, please subscribe to the channel.
The video has been published on the channel with permission from the presenter, as a service for Vienna Wireless Society amateur radio club.
The presenter holds full responsibility for the content of the presentation.
If you believe that it infringes your copyright, please contact contact@viennawireless.net
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https://www.youtube.com/watch?v=iUYJRGtl_Oc