A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio or citizens band stations; a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station; or the reception of a two-way radiocommunication by a third party listener.

A QSL card is a written confirmation of a two-way radio-communication between two amateur (ham) radio stations. A typical QSL card is a special size but made from the same material as a typical postcard, and most are sent through the mail in envelopes so as not to get mangled by the post office machinery.

Amateur radio operators exchange QSL cards to confirm two-way radio contact between stations. Each card contains details about one or more contacts, the station and its operator. At a minimum, this includes the call sign of both stations participating in the contact, the time and date when it occurred (usually specified in UTC), the radio ...

When transmitting, the radio operator aims to provide the strongest pos-sible signal at the site of the receiving station. The best possible signal is that signal which will provide the greatest...

2024年9月10日 · QSL cards play a crucial role in amateur radio by serving as confirmations of two-way communications between operators. Well-designed QSL cards reflect the operator's personality and creativity while providing essential information such as …

4 天之前 · The cards start with one from the famous Sovereign Military Order of Malta (call sign prefix 1A) and conclude with a set of cards from some Antarctic island contacts, including super-rare Peter I (3Y) and the American research station at KC4USK where scientists and technicians would maintain contact with home via ham radio through the long winter.

2024年8月29日 · The exchange of QSL cards to confirm a radio connection has a long tradition in amateur radio. It goes back to the early beginnings in the 1920s. The forerunners of QSL cards were letters and postcards, which were used to send handwritten reports on reception quality, station equipment, location and personal details.

There are two ways of sending and receiving physical QSL cards – via a bureau or direct. The bureau is the easiest and cheapest way to send and receive cards. RSGB members send their cards to a central point where they are then sorted and despatched around the world.

2022年10月13日 · QSL cards were custom-designed postcards created by a specific transmitting station that a receiver would send back as confirmation of receipt. Informationally, they display its unique call sign (station code name) and feature a gridded space to hand record more technical contact details, such as the band frequency, type of code contact (voice ...

band can understand AM transmissions but someone on AM mode on the same channel will be unable to understand a sideband transmission as only half the signal is present. USB. Upper Side Band, as above but other side of channel. CW. Continuous Wave or Carrier Wave, used for Morse Code transmissions. CQ. Attention all stations, General broadcast ! CT.