To know more about the radio transmitter broadcasting stations


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As the saying goes , ” no rules, no standards ,” amateur radio communications , there are some ” contact rules” to comply with it in order to be successful liaison . Mastering these elements will help you become a “QSO master ” (QSO refers to the radio amateur liaison meaning ) .
Contact the call according to the modulation scheme , divided into single-sideband (SSB), double-sideband (DSB), frequency modulation (FM), amplitude modulation (AM) and other types , the most common way in which the SSB . SSB also divided into upper sideband (USB) and lower sideband (LSB), the amateur radio amateur bands below 10MHz customary use LSB, 10MHz or 10MHz or more USB. When contacted by the parties generally use the same kind of work.

1.The words used in contacting:
QSO international common language is English , and some Q simple language , abbreviations amateur , amateur radio communications between the country can also use Chinese ( Mandarin ) . China provides amateur communications shall not use any form of code word , password , code . Q simple language is English with a group of three to begin with the letter Q , representing some of the common communication language. Use Q simple language can improve the efficiency of contact , such as QSY means ” change frequency “, QRM means ” interference .” Due to the ever-changing short-wave propagation , in order to make reliable communications , the radio call sign and the other in the newspaper when necessary , but also to use the ” letter of the Interpretation Act ,” is to use a particular English word pronunciation represents a letter , a letter with the heads of these words on behalf of the same letters, such as the letter “B” with Liu ” can be interpreted as ” knife Man “BR pronunciation of words instead of similar Chinese inside .” – Liu ” , it is easy to understand each other and unmistakably Collecting your talking about content.
Details Q simple language , amateur simple language , the letters of the Interpretation Act , please refer to the relevant information.

2.he contact frequency of use :
Contact can only be specified within the amateur bands , but also to select a specific frequency range can work according to the level of a certificate . Propagation characteristics of different bands ( ranges ) are different , you can choose based on experience closer . If interference occurs in contact with other stations , as the case should take the initiative to change the frequency of contact again , courtesy and convenience that others are virtues amateurs .

3.How to Contact:
Contact preceded in frequency to listen , understand and then use frequency operation . If you need to debug the transmitter , should be in the vicinity of the operating frequency to find a free frequency , the frequency should not have raised the local radio station in use , otherwise it will interfere with others . Amateur radio signal can be received by many radio stations , so contact the need for timely , clear broadcast radio call sign of both , which is the amateur radio regulations require. Under normal circumstances at the beginning and end of a letter , newspaper over each other and their own call sign , the other call sign in front, after his own call sign . Amateur communications are generally simplex mode to the other side to be answered after the speech is completed , it is impossible to hear your signal is emitted when the other party in the state . At the end of his speech plus an “OVER” ( or Chinese: completed ) , is a common practice when contacted .

Contact methods generally have the following :

A broad call (CQ):
Call CQ is in frequency as the owner to call any radio station you can hear and be willing to contact them. Must be determined before calling frequency to use is free , otherwise there might be other amateur radio is working ( receiving ) the formation of interference , giving the impression of rude . May want to call in advance in the frequency of listening for several minutes , and then briefly ask, “Is this frequency in use?”, Or Chinese : “The frequency of people use it?” , Wait a moment, if you do not answer the radio , you can for a call .

English is widely call format is:
CQ CQ CQ This is XXXXX ( own radio call sign three times ) Calling CQ and standby.
Chinese format is :
CQ CQ CQ this is XXXXX ( own radio callsign three times ) calling CQ and wait for an answer.
CQ mean widely broadcast, you want to receive any radio signals and contact you .
The call is completed into the receiver , once a station answer you , you can create contacted . If the answer is no radio , a little while and then repeat the call , sometimes on the radio frequency is not prepared to answer any time you need to call several times more than the job . Contact the beginning and end of every speech , newspaper over each other and their own call sign , so you can make the other side and the other to listen to the radio to know if you are told who to listen to .

Specify a calling station:
XXXXX ( one to three times each radio call sign ) This is XXXXX ( one to three times their own radio call sign ) Calling you and standby.

To answer the call to a station:
XXXXX ( other radio call sign ) This is XXXXX ( own radio call sign ) Over. Callsign former party , after its own call sign . As long conversation , repeat the call sign at the end of both .

Adding contacts between other stations:
When the other two stations are contacted , but she also wants to add a contact or something needs to call a party , you can contact them clearance ( one finished and the other party has not yet answered ) issued insert a call : “BREAK”, and so the other stations and allows you to hear further call, before adding their contact and call the party . The other side does not respond , it may be being busy or did not hear your call , adjust the timing a little while and then insert a call . Insert a call was issued without regard to the frequency of each other’s experience will interfere .

Insert a call to answer his desk:
I heard someone call is inserted in the contact , the answer should be made ​​as soon as possible to avoid the requester to wait too long, perhaps he had something urgent to contact you . Meanwhile the situation previously told radio contact with you , ask him to wait . Sometimes adding a call on the radio a lot of friends , forming a multi- contact , then contact should control the tempo and avoid selfish talk in full swing , and neglected the other radio frequencies .
When answering general use : “? Who is breaker Go ahead please”, or Chinese : ” Which radio stations to insert please come ? .”

The liaison content:
Amateur enthusiast common frequency is the frequency of contact content with simple, clear, polite , easy Collecting each principle .
As a complete amateur radio contact , the two sides must be exchanged callsign and signal report (RS). If time permits , you can be more exchanges , such as: name , station location , weather , equipment and antenna models , hobbies and so on. In the regulations to the extent permitted , contact the content can be broad, and therefore a lot of radio amateurs in the air and found a friend .

The signal report (RS):
A set of two numbers indicate the signal quality , higher the number, the better the signal . Front of the number represents a discernible degree (R), a level of 1-5 , behind a digital signal representative of intensity levels of 1-9 . See relevant information.

The station location (QTH):
QTH is the radio about location, such as the city XX XX Province. When sending cards required address (QSL INFO) refers to the other party to send the card you need mailing address , they are different .

QSL cards
QSL cards are parties to contact successful certificate. There are many international awards amateur communications , the need to provide relevant QSL card when applying . Card format , see the information. There are the following: one’s own radio call sign ( prominently ) , the other radio call sign, contact date , contact time , contact frequency, each signal quality , device model one’s own use , the antenna types , etc., in addition to the size of some requirements, layout You can design your own layout .
The two sides exchanged initial contact success generally requires as a memorial card . Some DXER ( long-distance communication enthusiasts ) to liaise with the remote station , work through the night , so get a QSL card , is often very valuable .
After contact , the general initiative to send cards to each other , even if the time allowed to do this , it should reply to each other’s cards in the card as soon as possible after receipt , to show friendship and courtesy.

Regular radio contact will be your friend , when contacted by the exchange of content will be more extensive , such as contacts , unless the other party needs , do not have time to send a card .
“! Thanks for the nice QSO, Hope to see you again, 73″ 5, contact the end , the two sides exchanged thanks and say goodbye , and so often as a conclusion , the Chinese could be: ” Thanks to this good contact , hope that the next times goodbye, 73 “,” 73 “is a slang amateur circles : ” ! salute you “means.

Q used simple language , for example :

QRZ: Who is calling me
QSY: to change the operating frequency (XXX frequency )
QTH: station location
QRM: disturbed
QRP: reduce power or low-power radio
QSP: transit signal
QRT: this station stop transmitting


Sample/Wholesale
Price
Shipping
Carrier
Buy it Now
1 pcs sample
USD
/pcs
USD
Airmail 25days

pcs
USD
/pcs
USD
Airmail 25days


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