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Baofeng UV-5RV2+ with Nayoga NA-771 problem?

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brycexps

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Jan 9, 2017
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Hi all,

I bought this as an entry level transceiver. I was quite happy with the original "rubber ducky" antenna, but wanted to maximize it's potential, so I bought a 771.

I noticed that the performance is worse with the Nagoya. For example, with the rubber ducky, I will scan 144-160 area and pick up some channels and it will lock on to lots of frequencies with just static as well. With the Nagoya, it will scan right through this range and will stop at maybe 2 or 3 of these frequencies. Presumably the strongest ones.

Is this an indication of performance?

Also, when listening to some local repeaters, while switching the 2 antennas, it seems that the rubber ducky is slightly better, picking up an extra bar of reception, with less pickyness which direction the radio is held. Nagoya performed OK, but seems more directional, and will cut out when moving the radio around.

I returned the NA-771, thinking that I got a bad one, and ordered another, giving the same results. These are genuine Nagoya's sold by Baofeng dist. on Amazon with the silver labeling, green packaging, and functioning QR code.

Could it be the radio? Most of the reviews I have seen are with the original UV-5R, and people describe quite a benefit from the Nagoya.

Thank you.
 

brycexps

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Jan 9, 2017
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I may have discovered the problem, being that these cheap radios are easily overloaded with out of band and in band signals. An improved antenna is amplifying this effect. This is just a theory and I am new to this.
 

nd5y

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Dec 19, 2002
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Wichita Falls, TX
I may have discovered the problem, being that these cheap radios are easily overloaded with out of band and in band signals. An improved antenna is amplifying this effect. This is just a theory and I am new to this.
Your theory is probably correct. I'm not new to this. I have been using hand held radios and and experimenting with antennas since about the late 1970s and have never observed the receiver problems that the UV-5R and UV-82 have on any other VHF or UHF radio. How bad the desense and noise problems are may vary depending on your location and how far you are from FM, TV and other high power transmitters.
 
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Delta33

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Oct 23, 2016
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Clinton Iowa
I may have discovered the problem, being that these cheap radios are easily overloaded with out of band and in band signals. An improved antenna is amplifying this effect. This is just a theory and I am new to this.
Again, GET a refund or Sell it. thats your best bet.
 

brycexps

Member
Joined
Jan 9, 2017
Messages
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Thanks,

I'll test this tomorrow. I plan on walking into some woods and fields, away from any RF sources and running some tests through the 4 antennas.

Will report back the results.
 

jonwienke

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Jul 18, 2014
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In most situations, the 771 is way better than the stock antenna (I have 10+ radios wearing them). But if you have a strong RF source nearby, a better antenna just overloads the receiver more.

Try running the radios in a different location, like in a different county, and see if the difference is the same.
 

brycexps

Member
Joined
Jan 9, 2017
Messages
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In most situations, the 771 is way better than the stock antenna (I have 10+ radios wearing them). But if you have a strong RF source nearby, a better antenna just overloads the receiver more.

Try running the radios in a different location, like in a different county, and see if the difference is the same.

I dont live in a busy area. 3 miles away from a 30,000 pop. town, surrounded by forest. No large cities within 100mi. No buildings near my house, but there are telephone/power lines 100 yards away.

I went for a hike earlier in the woods, about a half mile from the nearest house, and tested the antennas. There was an improvement with the aftermarket antennas, but they are very directional. Full signal in one spot, move 3 inches and nothing. The Baofeng antenna provided moderate signal in all directions.

Same symptoms with both Baofeng radios, so this must be environmental.

When I get a chance, Ill take a drive into the state forest and test things further.

Do you experience improvements in every regard with the 771? Do you find situations where the original antenna works better?

Thanks


I'm also looking into a Yaesu VX-8DR handheld as a primary radio.
 
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