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| 来源： | Freesound 前往原页面 查看译文 |
| 作者： | kb7clx |
| 许可： | CC0 公众共享许可协议 |
| 描述： | Made using the online remote shortwave receiver of University of twente in Enschede Holland: http://websdr.ewi.utwente.nl:8901/CW (Morse) transmissions across a wide band, filter in AM mode on the widest setting, multiple stations, heterodyning with each other. |
| 标签： | hamradio beeps transmission 20meters shortwave detuned amateur noise morsecode beep shortwave boop morse outoftune ham amateurradio cw radio frequency am dare28 communication tone code |
| 音频格式 | wav |
| 声音时长 | 00:45 |
| 文件大小 | 631.5 KB |
| 比特率 | 113 kbps |
| 采样率 | 7119 Hz |
| 位深度 | 16 bit |
| 声道 | 立体声 |