Amateur radio exam training - Decibels

Amateur Radio exam training (France) - Decibels [English subtitles]
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Those short videos are dedicated to students preparing the ham radio exam in France. They cover basic topics the more repeated during the training sessions at the radio-club.
A new website is available for an ordered view of the videos and some exercises. This is only in french for now.
f6kuq.r-e-f.org...
In this video :
00:07 Power gain in dB, examples of questions
00:41 Three things to know by heart
01:50 Example of calculation
02:22 Example of calculation
03:15 Example of calculation
04:01 Example of calculation
05:02 Attenuator
05:31 Case of a transmitter chain
07:02 The formula, using your calculator with "log"
07:54 Voltage gain
08:25 Expressing power in decibels
[Subtitles are available in french and english]
For any remark, please use the email address shown at the end of each video. (specially if you want more in english...)
---- About Us ----
F6KUQ is the radio club in Cestas near Bordeaux, France. Trainings for amateur radio exam have been proposed for more that 20 years. They take place every week (except holidays and lockdown periods). Trainings are customized to you. You can arrive at any time during the year. Because of covid constraints, this is being moved to the web too. This will take some time.
Web: www.f6kuq.org
Facebook: / radioclub.cestas
Twitter: / radioclubcestas
Exam training: f6kuq.r-e-f.org...