Welcome to another T-Rex podcast. The T-Rex Talk podcast is slowly growing and an interesting thing

that was discovered recently, which is that a lot of people listen to this podcast on Spotify,

but almost nobody ever gets recommended this podcast by Spotify, which is kind of interesting.

I'm not sure why. Maybe the mystery was solved by someone who pointed out that if you listen to previous episodes

of this podcast, you get a little blue banner that says, learn about COVID-19, which now

that I've said COVID-19, the little banner is going to pop up on this episode, too.

So that's possibly why it's not being recommended to people.

So I guess it's up to you to recommend it to people like the old-fashioned way.

Which brings us to the topic of today's episode, which is communication.

And we're going to specifically talk about radio communication.

Now, Samuel, how many kinds of radios are there?

One of some in David's office?

Well, there's some radios in your Uncle David's office.

Yes, this is important because your Uncle David actually came up with a good way to categorize radios that I think will be very helpful for people.

Because there are thousands and thousands and thousands of kinds of radios.

There are so many radios that it really requires that you divide them into different categories,

and it's kind of hard to know how to do that. Do you divide them based on price? Do you divide them

based on size or range? That one's really tricky because a radio's range is dictated more by various

environmental circumstances and the other radios that it is talking to than any of its own

physical characteristics and then the number of its own physical characteristics that dictated's

range are many. So people who ask about range of radios are asking a question that is almost impossible to

answer. You can divide radios up by band, the different band that they speak on, the different

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