Decibels: Pesky Little Critters In our telecommunication careers, we may have all used dBs in our work. Here is a little background and how we use them in amateur radio. Decibels are a form of mathematical shorthand using logarithms. Logarithms probably originated with the ancient Greeks. Logarithms have the property expressing large values or ratios in more easily understood human terms. Decibels originated when the engineering of analog telephone circuit […]
Yearly Archives: 2018
22 posts
Sonora Radio Communications Class Beginners: Learn radio communications for all ages. Advanced: Study for the Technician and General license. Cost: FREE! (sign up below) When: JAN 5, 2019, 9 AM til Noon. Where: 14535 Peaceful Valley Road, Sonora CA (New address) How will you communicate with family during emergencies? Learn how to use all types of hand held mobile and base station radio equipment. Find out what frequencies you can […]
By Jim, N6TP, n6tp@arrl.net We are familiar with the formula for a half-wave dipole. It appears in the antenna handbooks and in various test questions for amateur radio license exams. It goes like this. Divide the operating frequency in MHz into “468” and the answer comes out in feet. For example: 468 divided by 7.150 MHz equals 65.5 feet! If we do a little rounding, we will cut our half-wave dipole to […]
Objective: For Amateurs worldwide to exchange QSO information with as many stations as possible on the 10 meter band. Online Log Submission: Participants can now submit their Cabrillo-formatted contest logs via the web. A new online log submission web page can be used to upload your log as a file or by copy-and-pasting the log text into a text window. The log will then be checked for proper formatting and […]
Pacificon, San Ramon, CA. * A full slate of outstanding Forum presentations about a wide range of amateur radio topics * A large Vendor Expo filled with exciting products and exhibits * An outdoor Swap Meet, QRP activities, Youth Activities * Electronics kit building and soldering instruction * A One Day License Prep Class to prepare you to pass the amateur radio Technician license examination and get your first amateur radio license […]
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2019 Board Member Nominations TCARES BOARD of DIRECTORS: The Corporation has seven ( 7 ) Directors, consisting of : The four (4) executive Officers and three (3) Directors at large. Elected from the membership, these seven (7) board members will be known as the Board of Directors. ELECTION Process: 1. Nominations shall be collected during October. 2. Elections will be held in November. 3. Balloting will end on November […]
http://www.pacificon.org The Pacificon staff has negotiated a convention rate of $138 per night per room for a set number of rooms. That rate is good until September 19th, or until that block of rooms has sold out, whichever occurs first. Click Here to Make Your Hotel Reservations The Pacificon 2018 Team has been working very hard to bring you the very best Pacificon that we can. The location will […]
Amateur radio is more than a hobby for Groveland resident Carl Croci. On top of spending many nights a week relaying messages with amateur radio operators in the area and across the globe, the 77-year-old also serves as the Tuolumne County coordinator for Amateur Radio Emergency Services. The service is capable of providing backup communication for the community during wildfires and other types of emergencies to alleviate the burden […]