Thanks for the heads up Andy, we were going to bring one in to play with but that changed very fast of course watching your video. Cheers Brenton vk3cm
Hello, Congratulations ! I am a beginner in mobile CB. I have just finalized my mobile CB registration with a DX27 helical antenna (1m80) + MC KINLEY+ KL-203P. So I have a beginner's question for you.👇 You must start by configuring (tuning) your antenna in "Tune" mode ('Tune' button activated) to lower the TOS/SWR, do we agree? Then, when the antenna is tuned with the MC KINLEY Tx linear amplifier, I can return to "ByPass" mode (BPS) and use (modulate to AM/FM/SSB) my CB radio? Sincerely
I purchased a model CQV-SWR-508 on Banggood and this meter inserted bad noise into the signal. I am fighting with them right now to return it and get my money back as it was bad out of the box.
No. The noise was there when the meter was running from battery. It was not charging and was not connected to USB. Tony Albus has confirmed the noise issue. ua-cam.com/video/W03w-dh7qgY/v-deo.htmlsi=I8glgVFTPDSr8j25
@@VK2AAK thanks I’ll avoid it for now. Hopefully feedback will motivate them to resolve the problem with a design update to improve shielding or similar
They didn't even get the "SWR&POWER METER" decal straight. Shiny garbage is always tempting, but I'll stick with my boring cross-needle display that's worked perfectly for decades.
Others have experienced the noise problem. The meter worked OK ... in as much as it displays correctly. The problem is that the active electronics in the unit causes RF noise. Check this video from Tony Albus ... ua-cam.com/video/W03w-dh7qgY/v-deo.htmlsi=I0M_iJzyYZypSNN1
I have this meter and it did restart every time i went over 70 watts on battery, not with the charger Connected. The text SWR and FWD change to Chinese text when i go over 125 watts. I changed the battery to a 5000 mAh and it looks like it is stable now and will not restart as long as the battery power is good, but i have to live with the Chinese text(i dont care to much ). The charger give some noise but not all the time, no noise on battery. Banggood wouldn't give me a refund or exchange it for a new one(i am done with Banggood). But i am happy with it now as long as it works? It is maybe the most beautiful SWR meter on the marked i think so it is sad it dosent work as it should. The bilt quality is good.
@@VK2AAK Are they using crappy mobile phone chargers with poor usb cables with the meter ? Mine fine . NO Noise on all HF .with my chager connected or just battery power .
@@lloydbaker6384 No. The tests were done with the meter running from the internal battery. It was not connected to USB or being charged. The noise is generated in the meter. The PC board where the two coax sockets are terminated ... which carries the forward and reverse sensing ... also carries active logic electronics. The RF sensing circuitry is insufficiently isolated or shielded from the active circuitry.
I've already sent the meter back and the refund is approved and on the way. I probably should have held off for a day or two and done some more thorough testing with the spectrum analyser.
Would be ok if "the price is right" just for literally testing the antenna for a few seconds. But unless it's really the right price it's not worth it.
Useless for being left in line and used for real time monitoring though. On 40 metres it brought the noise level up by more than 2 S points. On 80 metres it was even worse. It's disappointing because the display is fantastic. If they fix it and come out with a version 2 I might take the chance. The sensing section needs to be in a completely shielded enclosure with just the DC voltages representing FWD and REV power coming out ... preferably via feed through caps and through some ferrite beads. Looking at a disassembly video here on UA-cam it's obvious that the sensing circuitry is on the same board ... and even the same side of the board ... as active electronics.
@@VK2AAK I completely agree about the leave in line part and yes there is evidently a lack of design and/or shielding there somewhere (my guess is the display modules).
@@VK2AAK I thought you commented on my video but I can't find it now. Anyway Idid more testing... I've used this meter a few times with no problems, but I was never charging the unit while operating. I just did a test with the meter being charged and I got no noticeable noise on; 10; 20, 40 and 80. Could your problem be related to the charger you are using?
@@TheSmokinApe I wasn't charging. The meter was running on its internal batteries. On 40 metres there was broadband noise ... the S meter went from below S1 to above S3 whenever the meter was powered on. On 80 metres there was a similar increase in noise, but also some serious spurs which were very strong. I should probably have kept the meter for another day or two to test it on the spectrum analyser ... but too late, it's been returned and a refund received.
Thanks for the heads up Andy, we were going to bring one in to play with but that changed very fast of course watching your video. Cheers Brenton vk3cm
Disappointed because the display was really nice. Hopefully the manufacturer will read the feedback and fix the problem.
Hello, Congratulations !
I am a beginner in mobile CB. I have just finalized my mobile CB registration with a DX27 helical antenna (1m80) + MC KINLEY+ KL-203P.
So I have a beginner's question for you.👇
You must start by configuring (tuning) your antenna in "Tune" mode ('Tune' button activated) to lower the TOS/SWR, do we agree?
Then, when the antenna is tuned with the MC KINLEY Tx linear amplifier, I can return to "ByPass" mode (BPS) and use (modulate to AM/FM/SSB) my CB radio?
Sincerely
I purchased a model CQV-SWR-508 on Banggood and this meter inserted bad noise into the signal. I am fighting with them right now to return it and get my money back as it was bad out of the box.
I’ve heard the noise issue is not present when running off the internal battery. Have you found this to be true ?
No. The noise was there when the meter was running from battery. It was not charging and was not connected to USB.
Tony Albus has confirmed the noise issue.
ua-cam.com/video/W03w-dh7qgY/v-deo.htmlsi=I8glgVFTPDSr8j25
@@VK2AAK thanks I’ll avoid it for now. Hopefully feedback will motivate them to resolve the problem with a design update to improve shielding or similar
They didn't even get the "SWR&POWER METER" decal straight. Shiny garbage is always tempting, but I'll stick with my boring cross-needle display that's worked perfectly for decades.
Yes, I noticed that. Looking at a few UA-cam videos I see a few with the same thing ... the printing isn't parallel to the meter.
I have bought a cqv-swr 508 and it works perfectly, maybe you got one with a production fault
Others have experienced the noise problem. The meter worked OK ... in as much as it displays correctly. The problem is that the active electronics in the unit causes RF noise.
Check this video from Tony Albus ...
ua-cam.com/video/W03w-dh7qgY/v-deo.htmlsi=I0M_iJzyYZypSNN1
I have this meter and it did restart every time i went over 70 watts on battery, not with the charger Connected. The text SWR and FWD change to Chinese text when i go over 125 watts. I changed the battery to a 5000 mAh and it looks like it is stable now and will not restart as long as the battery power is good, but i have to live with the Chinese text(i dont care to much ). The charger give some noise but not all the time, no noise on battery. Banggood wouldn't give me a refund or exchange it for a new one(i am done with Banggood). But i am happy with it now as long as it works? It is maybe the most beautiful SWR meter on the marked i think so it is sad it dosent work as it should. The bilt quality is good.
No issues with noise here .
Check this ...
ua-cam.com/video/W03w-dh7qgY/v-deo.htmlsi=QFeo5xXiu4FMb2XH
@@VK2AAK Are they using crappy mobile phone chargers with poor usb cables with the meter ? Mine fine . NO Noise on all HF .with my chager connected or just battery power .
@@lloydbaker6384 No. The tests were done with the meter running from the internal battery. It was not connected to USB or being charged.
The noise is generated in the meter. The PC board where the two coax sockets are terminated ... which carries the forward and reverse sensing ... also carries active logic electronics. The RF sensing circuitry is insufficiently isolated or shielded from the active circuitry.
@@VK2AAK I understand now...But mine no noise issues for me still...MAYBE A FEW DODGEY ONES ? Cheers ..
Hope you can get a refund
I've already sent the meter back and the refund is approved and on the way.
I probably should have held off for a day or two and done some more thorough testing with the spectrum analyser.
Would be ok if "the price is right" just for literally testing the antenna for a few seconds. But unless it's really the right price it's not worth it.
Useless for being left in line and used for real time monitoring though.
On 40 metres it brought the noise level up by more than 2 S points.
On 80 metres it was even worse.
It's disappointing because the display is fantastic.
If they fix it and come out with a version 2 I might take the chance.
The sensing section needs to be in a completely shielded enclosure with just the DC voltages representing FWD and REV power coming out ... preferably via feed through caps and through some ferrite beads.
Looking at a disassembly video here on UA-cam it's obvious that the sensing circuitry is on the same board ... and even the same side of the board ... as active electronics.
@@VK2AAK I completely agree about the leave in line part and yes there is evidently a lack of design and/or shielding there somewhere (my guess is the display modules).
Wow, that's horrible.
Really disapointing because the meter was brilliant in all other respects. The large touch-screen display was fantastic.
@@VK2AAK I thought you commented on my video but I can't find it now. Anyway Idid more testing... I've used this meter a few times with no problems, but I was never charging the unit while operating. I just did a test with the meter being charged and I got no noticeable noise on; 10; 20, 40 and 80. Could your problem be related to the charger you are using?
@@TheSmokinApe I wasn't charging. The meter was running on its internal batteries.
On 40 metres there was broadband noise ... the S meter went from below S1 to above S3 whenever the meter was powered on.
On 80 metres there was a similar increase in noise, but also some serious spurs which were very strong.
I should probably have kept the meter for another day or two to test it on the spectrum analyser ... but too late, it's been returned and a refund received.
Tony Albus highly rated the unit until he found the noise issue. John, k0ebc
@@techjohnc3379 Yes. I alerted Tony to the problem and he tested his own meter and confirmed the issue.