| The BX-2 type 2m ARDF transmitter (for 144MHz band) for is developed |
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| by the rule of an international radio amateur federation, an international |
| ARDF meet competition and the Chinese ARDF meeting competition, |
| and it is a transmitter for ARDF which consecutive, it can send fixation |
| lacing braid to at fixed frequency. This transmitter can understand a |
| call sign (1-5) and terminal indication (0) to two kinds by frequency |
| of the movement, and mobile convenience is easily usable. |
| Main specifications |
| 1, frequency of the movement： The call sign (1-5) is 144.500MHz. |
| The terminal indication (0) is 144.800MHz. |
| 2, a transmission of a message method： A2A, adjustment degree 100%, |
| the pulse frequency are 1.024KHz. |
| 3, transmission of a message electricity： 4W (PEP), 50 Ω (loading). |
| 4, frequency stability： ＞50〜106 |
| 5,The speed of Morse is a minute for 75bit (15WPM). |
| 6, control method： Choice is possible, continuation / single / normal |
| The morse send to continuation. |
| single： I send Morse code from switch ON. Morse code circulates |
| by a period of OOF for one minute ON, four minutes. |
| normal： decide it that I chose by a time of the goal signature . For example, when I install unit No. 1, |
| Unit No. 1 immediate dispatch ON, the unit No. 2 send the unit No. to send immediately one minute later |
| The unit No.3 to send immediately at two minutes later. I circulate through the unit No. 4 in the same |
| way by a period of OOF for ON, four minutes for each goal signature one minute and recover. |
| 7, antenna： A cross an even pole, a horizontal circlea pole plate. |
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| 8,power supply： DC12V-13.8V (possible 12V/4AH power supply choice). |
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| 9, external form dimensions： long176mm ,width 65mm, tall 65mm. |
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