From e1c9f5cfad96a1683b4f497e446a821354ca3ded Mon Sep 17 00:00:00 2001 From: krakenrf <78108016+krakenrf@users.noreply.github.com> Date: Wed, 1 Jun 2022 13:39:56 +1200 Subject: Updated 5. KrakenSDR Web Interface Controls (markdown) --- 5.-KrakenSDR-Web-Interface-Controls.md | 7 +++++-- 1 file 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 -- cgit v1.2.3