From e29eb263b5997b7f05ebcada1f95a7ca23d714d6 Mon Sep 17 00:00:00 2001 From: Joe Taylor Date: Fri, 14 Oct 2022 09:12:17 -0400 Subject: [PATCH] Update Echo-mode text and screenshot in User Guide. --- doc/user_guide/en/vhf-features.adoc | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/doc/user_guide/en/vhf-features.adoc b/doc/user_guide/en/vhf-features.adoc index 245b8b04e..54fcf2af2 100644 --- a/doc/user_guide/en/vhf-features.adoc +++ b/doc/user_guide/en/vhf-features.adoc @@ -297,11 +297,25 @@ Doppler-shifted frequency. With *Split Operation* set to *Rig* or Moon and click *Enable Tx* on the main window to start a sequence of echo measurements. Each cycle takes 6 seconds. If strong enough, echoes will be visible in the waterfall. Their average spectrum will -be displayed in the Echo Graph window, and numerical parameters in the -main window. +be displayed in the Echo Graph window, and numerical parameters of the +measurements appear in the main window: image::Echo_1296.png[align="center",alt="Echo 144 MHz"] +At the end of each echo cycle a line of data in the main text window +displays the following information: + + UTC Time in hhmmss format + Hour UTC in hours and decimal fraction + Level Relative received noise power (dB) + Doppler EME Doppler shift at center of lunar disk + Width EME Doppler spread over full lunar disk + N Number of accumulated echo or monitor cycles + Q Estimated quality of averaged data on a 0 – 10 scale + DF Offset of spectral peak from 1500 Hz + SNR Average signal-to-noise ratio (dB/2500 Hz) + dBerr Estimated uncertainty of SNR + ... more to come ... === Tips for EME