Radio communications have come a long way from the original concept of Marconi to the discovery of electromagnetic radiation (radio waves) are derived. Marconi conceived of an electromagnetic pulse, the air is sent would, (to flow) to generate a flow of electrons as it passes through a source of non-ferrous metals. Such a flow of electrons can then be amplified to generate sounds when the pulses are emitted in a certain way. This is the simplest representation of what Marconi discovered, and clearly by his revelation of many things. There are many ways derived from this idea, and obviously all inventions come from these seemingly small accomplishments Mans.
At its base, the radio is easy. In this day and age there are many forms, both in the fact that their discussion will not be within the scope of this article. Basically we have two forms of wireless communications in the field of hobby. Citizen-band and short wave are the two that most of us are familiar. Although short wavelength provides many types of communication as an option, we will focus on ?full duplex? and ?Half-duplex? mode with AM (amplitude modulation) communication.
Kinds of communication
1). In full duplex mode can send and receive radio and a voice, or the date on two channels simultaneously. This is important for the transfer of the day as a visual and voice on television. Ham radios are capable of such a transfer, but we will not dip too far into this. Microwave communication is another form of full-duplex transmission. Mobile phones have this ability and amateur radio operators can certainly regulate their radio and listen to your telephone conversations.
2). Received half-duplex, we have the ability to send and on one channel, but not simultaneously. We usually use radios, CB, or walkie-talkie function in the half-duplex mode. Amateur radio and television reception, which are common in this mode it also. Accordingly, we must make our own breaks while in transit to meet the people we can talk. For this reason a protocol was developed to ensure the proper etiquette during the call. Words such as ?Roger? and ?Ten Four? are used to indicate a transfer has been received, or request a confirmation it was received. In addition, there are 10 Q-codes and codes that have developed in the United States. The below listed as the most commonly used recall.
The top 10 ? Codes
* 10-1 Poor Reception
04:10 * OK, message received
* 10-7 Out of service, so that air (go off the air)
* At 8:10 service is subject to call (you are back on air)
* Repeat message 10-9
* 10-10 gears completely, Standing By (you will hear)
20:10 * What is your position? or ?My position is ? frequently asked questions such as What?s Your 20?
The most common Q codes
* QRM man made noise, adjacent channel interference
* QRN Noise
* Increased performance QRO
* Reduce power QRP
* QRT Stop, clear
* QSL confirmation, often refers to confirmation cards exchanged by hams
* QSO Conversation
* QSX standing by the side
* Move QSY to another frequency
* QTH address, location
For a beginner, the codes are listed above the norm. Either Code 10 or Code-Q can be either on the citizens band radio or the Ham Arena will be used. Ham operators must be licensed in this country. This ensures that the operator knows the rules of the road, and will not unknowingly disturb other areas of communication bandwidth. It is possible to transmit television and frequency bandwidth, and disturbing phone calls and gear. In fact, short-wave ham radio operators all the spectrum available to them and an inappropriate use can cause serious problems to civilians.
Bands of police and firefighters in an emergency can be disturbed, can be misled pilots and so on. This is how it is regulated. However, it is much easier to get a license now, than before. You do not need to be an electronics technician. Just learning the rules of the road and proper use of equipment can be licensed amateur radio base. As a beginner you should buy a receiver and a first antenna system. Good listening and ham different conversations of citizens band and marine pilots and private. You can listen to people from all over the world. I?m sure it will inspire you and ?pick? your interest.
A good ham-receiver can be bought for as little as $ 450.00, with an antenna and mast. The wiring can be included approximately $ 250.00. It could even be used to purchase equipment such as an even better deal, as an upgrade of many radio enthusiasts looking for a way to save on their new purchase. Citizens band radio equipment can be had for less than $ 95.00, with 40 channels. Would be an antenna for a starting CB run $ 180,00, while again could find something cheaper. These figures are approximate, but precise enough. Citizens band radios need no license. The devices are transceivers, meaning they can half-duplex transmission and reception. Supply of these units is limited typically 5-10 watts. Your ham average capacity-based licensing to 1.5 kW (1500 watts) to transfer, and are very powerful.
Whatever you decide, I hope you try the hobby of radio communication. It can be a great hobby to share with your family and friends. The real value is in sharing and learning that you and your children will enjoy. He is interested in the field of electronics that you and the children more about science and physics in connection with radios and how they will want to get to work. All of this would be useful and durable, guaranteed many memories that will last forever.
Good luck if you get involved. Have fun!
The author comes from California and a member of the family-oriented conservative. Through his articles and website promotions, Larry Entertainment wants to spend time with the potential for strong family ties, friendships and build quality to promote. Not all leisure have a potential to bring people togeher in the same way. Promotion is to present the author?s intention and to educate the hobby, the most rewarding, because the participation of the group are. The physical interaction and exchange of information and learning is created for the creation of lasting memories, and the obligations by it.
from your own site.
Source: http://www.bentoncoradiooperators.org/ham-and-cb-radio-communication-a-basic-primer-to-two-way-radio
odd fellows eli whitney blake griffin dunk on kendrick perkins kendrick perkins steve jones emily maynard kola boof
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.