Comments (2)
Thanks for your answer. It is now clear to me how I have to answer. I did it by holding my finger on the call and than chose call. That takes a to long time.
Now I understand that you have to swipe to the left. Than it is faster and it is working when the decode time is fast enough
73 Ron
PD7RON
from ft8cn.
FT8有效信号的传输时间是12.64秒,在15秒的时钟周期内,时间窗口是2.36秒,如果不包括前面的7个同步符号:7 * 0.16=1.12秒,最大的时间窗口应该是3.48秒,如果超出最大的时间窗口,能够解码的概率非常低了。
FT8CN的设定是在解码后的2.5秒内,在消息列表中向左滑动,可以在本周期内立即呼叫,如果超过2.5秒,将在下发射周期启动呼叫。设定为2.5秒的原因,是解码需要时间、电台开启ptt也需要时间。
其实,jtdx和wsjt中超出时间窗口发射是没有意义的,因为对方是没办法解码的,只是让用户使用的感受好一些而已。
from ft8cn.
Related Issues (20)
- Feature request: Allow transmission to start part-way through a cycle
- Ft8cn locks up with yaesu ft-710
- Insufficient audio HOT 1
- Using FT8CN for Field Day? HOT 1
- Unconfirmed QSOs
- 请问作者能不能在cat选项下面的网络IP输入中新增域名输入 HOT 3
- Issue using Bluetooth devices
- 请问有计划适配开发Harmony OS NEXT版吗?
- v.0.91 No TX audio with X6100 firmware 1.1.7.2 (September 2023) HOT 16
- Serial Port error/no transmit with trusdx HOT 10
- 【求助】ft8_lib中kiss_fftr快速傅里叶变换后如何得到码元? HOT 2
- Transformation of callsign HOT 1
- FT8CN cannot decode contest messages HOT 6
- ft8cn create distorted TX signal when using DF upper than 2000Hz HOT 2
- 输出音量的问题 HOT 2
- KX3 Setup HOT 2
- Free text limitation HOT 2
- Not working "Save QSO for SWL" function HOT 1
- Feature request: Add method to change port number of the WEB UI HOT 2
- another wrong QSO case HOT 2
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