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Channel: F8DSN Ondes Positives

Пинцет Мультиметр НВ-14

Пинцет Мультиметр НВ-14

Channel: HAM Radio Channel

OSA103m мини лаборатория радиолюбителя

OSA103m мини лаборатория радиолюбителя

Channel: HAM Radio Channel

shortwave

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Amateur Radio (Hobby)

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hey there welcome to another radio video

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when this is another tutorial video on

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the icon my CR 20 to explain tuning

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steps how to change your tuning step and

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basic little guide on where and how and

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when do we change the tuning steps now

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in the spectrum of radio communications

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from this receiver goes very wire from

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100 kilohertz up to the way high 3.3

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gigahertz the steps used on different

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communications are not all the same and

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that is something in itself that's kind

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of difficult to figure out at first but

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if you look on the internet type and

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Google tuning steps you know just put

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VHF UHF tuning steps and you'll probably

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have charts showing you where to use the

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different steps on the receiver but

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sometimes you might want to change that

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step because the type of signaling want

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to listen to isn't in that step range

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for example if I listen to satellites on

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150 megahertz we all have the cosmos

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navigation satellites the Russian Lords

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orbit satellites I don't want to have

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the regular 5 kilohertz steps that the

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scanner will give me in that range I'll

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change it for 1 kilohertz or even maybe

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lower 100 a hundred Hertz or 10 Hertz

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and also it small dependent if you're

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listening to a single sideband signal

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you don't want it in a small tuning step

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to adjust because that single needs a

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very small tuning step to really adjust

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well so it's kind of you know something

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you'll learn with time but you not got

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to know how to change that tuning step

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when you need to so how do you do that

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well you simply have that nice little

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button here at the bottom the number 9

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and on top it says TS

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what does TS mean it means tuning step

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so what you do is you press and hold

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number nine until you seen this play it

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says set tuning step and here it says 25

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kilohertz 25 kilohertz is the basic

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tuning step of the air band for example

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for listening to any airplanes because

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all channels are spaced 25 kilohertz in

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the air band to avoid interference now

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once you've chosen that step that you

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want to use you just press the quick

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press on the 9 and it's entered in the

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radio now let's go to UHF band I'll go

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into for 40.000

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I want this band to have a tuning step

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of 5 kilohertz for some reason what do I

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do

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all I have to do is press and hold nine

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the upper right dial button will let me

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choose you can see if I go

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counterclockwise it goes down up to 10

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Hertz or if I go clockwise I'll go up

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and in maximum tuning step is a hundred

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kilohertz and disc kings let's put it to

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the regular tuning step of UHF Hammacher

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radio band which is 12.5 kilohertz on

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UHF so well Tim now with this right dial

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button on go counterclockwise in this

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case because it was higher up to 12.5

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once it's set I have to do is press

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quick press on the line and it's entered

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and if I turn the right dial button to

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actually tune the radio you see that it

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jumps 12.5 kilohertz steps so you'll

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know that it's actually working because

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while you're tuning manually you'll see

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that the steps are gonna be the

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that you've chosen an example if I put

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it at the very low end of ten Earth's I

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press nine old I'll go to ten Hertz and

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then I'll press joining step and you see

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a little set of zeros that had was

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headed to the frequency here and if I

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tune you can see that only the little

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set here is changing and now I'm tuning

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in a very precise 10 Hertz steps that's

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why there's an added smaller number here

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on the upper right so you can turn

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around now I've decided and that's not

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what I want I want to go back to 12.5

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kilohertz well I'll do nine old take the

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right dial button and change it back to

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12.5 kilohertz and a quick press on the

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number nine again and Here I am in 12.5

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kilohertz steps so that's all you have

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to do to change the step size in the

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icon my CR 20 now a basic very very

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basic quick guide that would give you on

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that is that usually what you'll want is

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having the step size when you're in am

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mode for example and listening to

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shortwave broadcast or maybe the am

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medium wave radio band you might set the

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step at 5 kilohertz which would be

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pretty okay in most cases if you're

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listening to utility signals or amateur

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radio signals in the shortwave band

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below 30 megahertz

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well you might set it to channel or 100

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Hertz because these signals are in

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single sideband most of the time so the

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death mode will usually use smaller

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steps you'll want 100 or 10 Hertz

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depending on what you're using in the

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VHF range I would basically say it's not

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true but generally from Turney megahertz

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up to about 200 megahertz yells half

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steps of 5 kilohertz

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in most cases there are exceptions new

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band plans are actually giving 20.5

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killer its paces on some frequencies in

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this 160 megahertz range but overall

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even if you're not in the right space of

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five killer her chilling step most of

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the time you won't miss out on most

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signals because you'll always be at

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least very close to the native frequency

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you should listen to UHF most of the UHF

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comms will require 12.5 kilohertz steps

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instead of five so step is a little

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bigger but that is very very general

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what I'm saying here is not official

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it's general usage but with time you'll

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know when you have to use five or twelve

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point five or one or whatever step that

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you need on the bands it all depends on

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what you want to listen to and of course

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usage in that range that I just told you

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a 5 kilohertz on the VHF for example

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there's exceptions you know 100 60

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megahertz there are some 12.5 kilohertz

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there you have the air band

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from one way to 136 kilohertz that is

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basically 25 kilohertz steps to avoid

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interference so and some to 100

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megahertz frequency ranges also that use

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the air band in the two fifty to sixty

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three hundred megahertz band where

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you'll have military communications and

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also the some communications for

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airplanes also require 25 kilohertz

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steps so it depends on what you will

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listen to keep in mind if you're not

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sure is it 12.5 or 25

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remember one thing 12.5 kilohertz times

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2 is 25 so even if you go through those

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bands in 12.5 kilohertz steps you're

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still not gonna miss out on any signals

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and even the 5 kilohertz steps it's just

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gonna take a little longer to scan

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because the steps are smaller but you'll

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have 5 times 5 is 25 so

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you won't miss out on any signals either

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where you can miss out on signals this

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if you're tuning step that you're using

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is too big if I put my tuning step for

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example at 100 kilohertz well here I'm

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gonna jump over a lot of signals that I

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just won't hear because the step is too

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big so you got to be careful not to put

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too high of a step because in between

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these steps you'll miss out on the

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signals that are there you know if I

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press here and you I just finally tune

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you should I go from 442 for 40 point 1

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2 3 4 5 but if there's something on for

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40 point 0 5 0 I jumped over it I'll

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never hear it with a tuning step that's

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100 kilohertz that's why you don't want

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to put in a hundred killer it's either

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because you're gonna miss out jump over

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signals so this was a quick tutorial on

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tuning steps and how to set them on your

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icon I see our 20 receiver if you have

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any questions on what I just said

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let us know some ways I mean there for

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that and how are you really happy to

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actually answer any questions you might

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have and if you have any questions like

00:10:08

anything else let us know keep in mind

00:10:11

there are no stupid questions

00:10:14

never you don't understand something you

00:10:17

just don't understand it and that's it

00:10:19

and I'll try to put lots of videos on

00:10:23

this radio and many other radios

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explaining how to use them because I

00:10:28

think it's a great resource to see it by

00:10:32

yourself not only read it in a manual so

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thanks for watching if when I keep in

00:10:37

touch with our channel I'll click the

00:10:38

subscribe button at the top of the

00:10:40

screen you'll be in front of the videos

00:10:41

we put online and of course if you have

00:10:43

any any questions let us know so thanks

00:10:48

for watching 73

Description:

Tutorial video on using the Tuning steps on the Icom IC R 20 communications receiver

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