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| -rw-r--r-- | 5.-KrakenSDR-Web-Interface-Controls.md | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/5.-KrakenSDR-Web-Interface-Controls.md b/5.-KrakenSDR-Web-Interface-Controls.md index 83e4b70..498c92d 100644 --- a/5.-KrakenSDR-Web-Interface-Controls.md +++ b/5.-KrakenSDR-Web-Interface-Controls.md @@ -313,7 +313,8 @@ How many coherent calibration sync failures are required before recalibration is This provides an option to calibrate the full system by compensating for phase differences in the antenna coax cables. -`explicit-time-delay` - If you've measure time delay with a VNA you can input the differences here. Please note the differences must be measured relative to channel 0. TODO: Show how to calculate time delay from cable length + velocity factor. +`explicit-time-delay` - If you've measure time delay with a VNA you can input the differences here. Please note the differences must be measured relative to channel 0. + `touchtone` - You can output .s1p files for the 5 coax cables in your system, and add them to the _calibration folder. Name them as cable_ch0.s1p, cable_ch1.s1p and so on. You need to ensure that the touchstone file covers the frequency range that you will be using. **IQ Adjust Amplitude** @@ -322,4 +323,6 @@ If you have some reason to manually adjust IQ amplitudes, this can be done here. **IQ Adjust Time Delay** -If you are using `explicit-time-delay` as the IQ adjustment source, enter the delta phase differences here. (Relative to the CH0 cable, so delta = CH_0 - CH_X)
\ No newline at end of file +If you are using `explicit-time-delay` as the IQ adjustment source, enter the delta time differences here. (Relative to the CH0 cable, so delta = CH_0 - CH_X) + +**TODO: Show how to calculate time delay from cable length + velocity factor.**
\ No newline at end of file |