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IS THIS RADIO HF OR VHF - Radio Communications

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HF mmmmmmmmmmmm

Posted on Dec 23, 2016

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Yaesu ft-857 squelch problem


Your RF gain control needs to be turned all the way up to be able to receive signals and if you are on one of the HF bands like 40 meters or any HF band the squelch control needs to be all the way off! You do not use squelch on HF! When on VHF or UHF then you would rotate the squelch control just to the point that the background noise stops and go no further. Higher squelch settings will only block weak signals and your radio will be deaf! Squelch control rotated just to the point the background noise stops! NO SQUELCH ON HF. Turn the squelch all the way off on HF!

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Difference between high and low frequency


This would depend on which area of radio you are asking about. In FRS/GMRS there is no "low frequency" though some manufacturers may use those phrases. FRS/GMRS radios are all in the UHF range, or ultra high frequency. In amateur radio we use UFH, VHF, and HF or high frequency. Though the FCC does not allow amateur use of the LF range, there are experimental stations that are allowed to operate ther. See http://www.arrl.org/lf-low-frequency for an explanation of this. For an understanding of the range of frequencies and what is UHF, VHF, HF, etc. see the chart at the lower part of the page at http://en.wikipedia.org/wiki/Radio_frequency

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Portable radios


the BF888 is NOT a vhf radio, it is a UHF radio so it will NOT program VHF frequencies

Oct 02, 2013 | Baofeng BF-888 S UHF 400-470 MHz Portable...

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My icom 706 will not transmit on HF but ok on vhf


Puts out about 5 watts on all bands into a "Dummy Load"

Sep 08, 2013 | Icom IC-706MKIIG

1 Answer

My icom 706 mk2g transmits on VHF uhf but not on HF whats the possible problem


My icom 706mk2g does no give me hf power on the hf bands but on uhf is working wel.
On the s meter the last blok is turn on.
Reseiver is working wel.
Wat can it be?? Transistor Finals broken???
The two srfj?

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1 Answer

How can I make the 19DXIV VHF capable


There is no way to make that radio VHF capable, CB radio's operate in the AM band, and most, if not all VHF radio's operate in the FM band. CB radio's are not capable of VHF frequencies either, VHF is considered around 40MHz and above, CB radio's operate between 26.965 MHz and 27.405MHz that is considered 11 meter band HF. CB radio's are not broadbanded enough to cover anything that far away, expecially the newer radio's, as most of them are controlled via a microcontroller and PLL tuning circuit. the 19DXIV is a great little radio, but will never be able to operate in or even around VHF. sorry.

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Will uniden digital trunking scanner pickup kenwood radio signals


Makes and models make no difference as far as compatibility. Check the frequency coverage of the scanner you're looking at, and compare it to the operating frequencies of the Kenwood. If the Kenwwod is an HF model, the answer is a flat NO. If it's VHF or UHF, most Uniden scanners will be capable of reception. If you need more specific info, such as operating frequencies/modes for specific radios, please let us know.

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1 Answer

What's the channel frequencies for a common 22 channel motorola 2 way vhf radio?


Not sure what you want.....VHF band ius approximatly 130mhz to 175 mhz..... in that VHF band there is a commercial VHF band aprox. 155 mhz to 175...... the amateur radio vhf band is aprox. 135 to 150mhz.

 

With amateur radio, any freq in that range can be used...... with commercial radio the FCC cangive a company any freq. in that range also.

 

If you are looking for FRS/GMRS frequencies they are UHF freqs not VHF.

So I'm not sure exactly what you want......sounds like you might want to program in FRS freqs into an Icom amateur radio. If thats  the case you will need an Icom that will do UHF freqs.

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