freq help

[biferi]

I have a shortwave radio and it will say I tune in the freq 9797
the display will put the kHz at the end so it sooks like this
9797 kHz

And I get this it is tuning it in in kHz

But I go to some one who has a diferant shortwav radio and there display put MHz at the end of the numbers.

Now I get this as well there radio is tuning in on MHz and not kHz

So say I am tuning on my radio 9797 kHz if I want to know what this will be in MHz so I can tune it in on there MHz radio I move the Point to the Left 3 places
9.797 MHz

Or what is going on

 

[ka3jjz]

Your math is fine. It's just two different ways of representing the exact same thing. Just drop the decimal entirely and tune in khz, and by and large, you'll be just fine

best regards..Mike

 

[ka3jjz]

By the way, questions like these are always welcome, but this is the wrong forum for them. This has nothing to do with scanning. Please post them here...

HF/MW/LW General Discussion - The RadioReference.com Forums

best regards..Mike

 

[biferi]

thanks but

If I am at a Radio that displays the freq in kHz and I tune in 2967 kHz
The radio is telling me it is to be read as

two thousand nine hondred and sixdy seven Hz

Amd I right??

 

[WA1ATA]

If I am at a Radio that displays the freq in kHz and I tune in 2967 kHz
The radio is telling me it is to be read as

two thousand nine hondred and sixdy seven Hz

Amd I right??

No.

That is two million nine hundred and sixty seven thousand Hertz. 2,967,000 Hertz.

You need to go review basic information on the metric system.

The unit of frequency is the Hertz (formerly called "cycles per second").
Kilo is a prefix meaning 1 thousand (or 10 to the third power, 10^3
Mega is a prefix meaning 1 million. (10^6)
Giga is a prefix meaning 1 billion (10^9)

So 2967 kHz is 2 thousand 967 KILOHertz (thousands of Hertz); or 2.967 MegaHertz (2.967 millions of Hertz).

 

[k9rzz]

Yup. For example, AC current varies it's cycle at 60hz (but that's not radio), the lowest radio stations (Navy and remember that good old ELF station at Clam Lake that used to be in the news?) are around 20 to 60khz, the bottom end of the AM broadcast band here in North America is 540khz and goes up to 1700khz, or 1.7 Mhz. You can probably hear the time station, WWV on 5,000khz or 5Mhz. CBs run at 27Mhz and the FM broadcast band goes between 88Mhz to 108Mhz. Cell phones are around 800Mhz and satellites usually run around 4,000Mhz or 4Ghz and up. Microwave links run around 12Ghz and anything above that is also microwave. Not sure where light starts,but that's WAY up there!

 

[ridgescan]

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