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Author Topic: US Ham Bands - chart  (Read 1519 times)

Bear

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US Ham Bands - chart
« on: May 07, 2012, 11:03:04 am »

We've talked around the bands, but never posted a simple chart.
Here it is.

Bear

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Jeffersoniantoo

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Re: US Ham Bands - chart
« Reply #1 on: May 18, 2012, 06:06:52 am »

The current PDF version is here...

http://www.arrl.org/files/file/Hambands_color.pdf

 :mellow:
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MamaLiberty

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Re: US Ham Bands - chart
« Reply #2 on: May 18, 2012, 07:06:35 am »

We've talked around the bands, but never posted a simple chart.
Here it is.

Bear

That's beautiful. :) I suspect I need to learn a LOT more about the subject before it makes much sense to me, however. :)
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Bear

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Re: US Ham Bands - chart
« Reply #3 on: May 20, 2012, 06:04:14 pm »

We've talked around the bands, but never posted a simple chart.
Here it is.

Bear

That's beautiful. :) I suspect I need to learn a LOT more about the subject before it makes much sense to me, however. :)

Well, I can provide some pointers in case you're curious. Take a look at the group of bars
title "20 Meters (14 MHz)" as an example.

On the right hand side, you see the letters "E A G" in a column. That means that the bar to
the left is for "Extra", "Advanced" or "General" class licenses. The Extra, or highest level of
licensing has the longest bar, which corresponds to the most amount of radio spectrum they
can use.

Granting more privileges to higher class licenses has been a carrot the FCC has used to
encourage licensees to study and progress to the next higher rating. The licensing structure
used to be

  5. Extra (top)
  4. Advanced
  3. General
  2. Technician
  1. Novice

The Novice and Advanced rating have gone away, so there are no new licensees with those
ratings. Those who held those ratings at the time of the change were grandfathered-in.

So... going back to the 20 Meter band chart.

The Extra class operator can use 14.000 MHz to 14.150 MHz for "RTTY and data" see color
code on right hand side. The Extra class operator can use 14.150 MHz to 14.350 MHz for
voice (SSB and AM). (NOTE: when they say RTTY and data, that also means any of the new
digital modes too.)

The 'A' or Advanced operator does not have as much bandwidth at his disposal. He get from
14.025 to 14.250 for data, and 14.175 to 14.350 for voice.

The 'G' or General class operator has the sam digital space as the Advanced operator, but
has less spectrum for voice -- only 14.225 to 14.350.

There is no bar for 'N' Novice or 'T' Technician on 20 meters, meaning that Novice and Tech
don't have any privileges at all on 20m.

I hope that helps.

Bear
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