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 Crt 6900v signal meter

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Revo Mikey
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Call Sign : 163-CT-350 / Gasman
Posts : 21
Times Thanked : 1
Join date : 2023-08-22
QTH or Location : South Wales, Pontypridd
Equipment Used : Harrier cbx, ss6900v, thunderpole t800, team euro 3100
Age : 48

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PostSubject: Crt 6900v signal meter   Crt 6900v signal meter Icon_minitimeMon Oct 09, 2023 11:58 pm

Good evening chaps.

I wonder if you can help.

I have several cb radios that when plugged into my thunderpole 5/8 give me little to no qrm yet my 6900v gives about S6 of background noise.

I have tried running it on a battery with the house electrics off and I still get a solid s5 of noise proving there's very little coming from my house .


I have tried my harrier cbx, team euro 3100 and a new thunderpole t800 and there's no qrm at all.

I also don't think I'm losing any incoming signal, it just seems like the 6900 signal meter is overly sensitive. The RF gain helps a lot, the noise blocking buttons don't do a great deal but it's a cheap radio I guess.


I have also tried ferrite rings on the coax and power cables, no difference.


Anyone have this problem?
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Delboy
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Posts : 100
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PostSubject: Re: Crt 6900v signal meter   Crt 6900v signal meter Icon_minitimeTue Oct 10, 2023 4:11 pm

Many newer radios have this issue when operating from home due to all the electrical interference these days. The radios are super sensitive which is a good thing especially when you are away from built up areas.

Best thing to do is back off the rf-gain a little to reduce the background noise without spoiling incoming signals.

Mavic2Pro and Revo Mikey like this post

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Revo Mikey
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Call Sign : 163-CT-350 / Gasman
Posts : 21
Times Thanked : 1
Join date : 2023-08-22
QTH or Location : South Wales, Pontypridd
Equipment Used : Harrier cbx, ss6900v, thunderpole t800, team euro 3100
Age : 48

Crt 6900v signal meter Empty
PostSubject: Re: Crt 6900v signal meter   Crt 6900v signal meter Icon_minitimeTue Oct 10, 2023 5:18 pm

Thanks DelBoy, I thought that might be the case. Until recently I always left the RF gain on full, funny what you learn after years of thinking you know.

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MM0IMC
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Call Sign : 108-CT-226 / MM0IMC
Posts : 85
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Join date : 2023-03-10
QTH or Location : Ayrshire
Equipment Used : Amstrad 901 Sidebander

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PostSubject: Re: Crt 6900v signal meter   Crt 6900v signal meter Icon_minitimeThu Oct 12, 2023 12:32 pm

Leaving the RF Gain knob in the 3 o'clock position should work. Wink

strangeplains and Mavic2Pro like this post

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