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22615694
Ham Radio
Description
Mind Map for the ham radio 2018-22 technician test. Note: Not completed. Work in progress.
No tags specified
ham-radio technician
hamradio
8th grade
Mind Map by
Meir Tauber
, updated more than 1 year ago
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Created by
Meir Tauber
almost 4 years ago
11
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0
Resource summary
Ham Radio
OHMS LAW:
Measurements
Kilo=100
Mili:Thousanths
Pico:Trilionth
Db: 3 db:2:1 6:4:! 10:10:1
Rdio Waves
Hertz is one cycle per second
Speed of light
Wavelength gets shorter as frequency increases
VHF/UHF is line of sight
Line of sight is the curvature of the earth
If operator says multipath distortion, move a few feet
Repeaters extend possible length of transmision
Media attachments
Images?Q=Tbn:A Nd9 Gc Sl Gao Vrc5 D L Mx5xf Sfzcp Hl M Il9k Hiz Iw P52o F5 Ns Kkb3t4f&Usqp=Cau (image/png)
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