Bug #11148
openBaofeng UV-9R Pro squelch issues
0%
Description
Hello,
I've noticed odd carrier squelch behavior from a couple of UV-9R Pros I programmed with CHIRP, and am wondering if it's a common experience.
Both of the UV-9R Pros were bought at the same time.
One of them was programmed in June or July 2023, I understand there may be some question of whether the manufacturer changed firmware around that timeframe.
The other was programmed today (Feb 8 2024) with latest CHIRP-next. And then eventually reprogrammed with the backup .img file made when first downloading the radio.
I uploaded a video of the UV-9R Pro units with glitchy squelch, in between a UV-5R and a GT-3WP which are receiving the signal fine. Note also (if you can see it) that when the UV-9R Pros are not squelching the signal, their signal strength indicator is high, not low: https://imgur.com/a/Vp7Jt5H
My other models rarely (GT-3WP, once in a blue moon) or never (UV-5R) squelch the local weather channel without significant fade, static, etc.
Both of the UV-9R Pro units are set to SQL 1, which was programmed to a value of 1 in the Service Settings tab. Interestingly, both of them seem to exhibit the behavior, regardless of the fact that one was programmed with mid-2023 CHIRP (and possibly starting from a .img file from a different model?), and one was programmed with Feb 2024 CHIRP and pasting channel records over a copy of the .img downloaded from the radio, and then reset by re-uploading the initial .img downloaded from the radio, to see if re-uploading the initial .img would make a difference to the squelch problem (it didn't).
Could this be the result of bugs in the beta driver, or is the hardware or firmware bad?
I've included a debug.log of programming both units, unit questionably programmed in 2023 comes first, unit not touched til today comes second. I included the initial backup of the unit first touched today, but sadly not the initial backup of the unit from 2023 because I managed to overwrite that one in the process of making this bug report, sigh.
Files
Updated by Deuterous Ino 10 months ago
I have noted multiple incidents which seem to be discussion of this problem with the UV-9R Pro,[2][3][4][6][7] including at least two that specifically mention using a weather channel and having the same problem.[1][5]
- https://www.amazon.com/gp/customer-reviews/R1LSQ7DXQKG8M1/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09J8FJR63
- https://www.amazon.com/gp/customer-reviews/R96USPOXI7KLV/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09J8FJR63
- https://www.amazon.com/gp/customer-reviews/R2SLYMN1P2AJ96/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09J8FJR63
- https://www.amazon.com/gp/customer-reviews/R3IXPWBANKBZK8/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09J8FJR63
- https://www.amazon.com/gp/customer-reviews/R142XH2Y2XQP3P/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09MLC3NS8
- https://www.amazon.com/gp/customer-reviews/RJRT28SFAAPUT/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09MLC3NS8
- https://www.amazon.com/gp/customer-reviews/R3JEAV04DX45RO/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B09MLC3NS8
Updated by Jim Unroe 10 months ago
The part of the image files that have been known to be related to some side affects similar to what you describe are all identical. So it is not likely a CHIRP issue.
But to cover all bases, I would like to see a fresh downloads from both radios to compare with what you have already attached.
I noticed in your video that you are not using the stock antennas. I would switch back to the stock antennas to make sure this isn't an antenna/connection issue.
Updated by Deuterous Ino 10 months ago
- File Baofeng_UV-9R Pro_20240210_radio1.img Baofeng_UV-9R Pro_20240210_radio1.img added
- File Baofeng_UV-9R Pro_20240210_radio2.img Baofeng_UV-9R Pro_20240210_radio2.img added
Hi Jim,
Please see attached.
Regarding the antennas, I didn't even necessarily realize they weren't stock - the radios were purchased as a bundle from one of the many resellers on Amazon who don't make clear that they're a reseller which has nothing to do with Baofeng. It's the result of purchasing before having all the facts, I suppose we've all gotta start somewhere.
On hand, I have a GT-3WP and a UV-9R with what looks like stock antennas which will screw into the UV-9R Pro, but the base of them is a bit smaller than the indentation for it on the UV-9R Pro. So I don't know if those 3 units use identical stock antennas or not.
Thanks for your help.
Updated by Jim Unroe 10 months ago
Thanks for the image files. I don't see anything that jumps out as being unusual.
I might be incorrect about the antennas. The video cuts off the top of the antennas so I was thinking that they were the long aftermarket antennas that many people switch to after they buy their radios. If they are roughly the same length of the Nagoya antenna on the UV-5R radio on the left, then they are the stock antennas. I would still temporarily put the Nagoya antenna on the UV-9R Pro radios as a test to see if that makes any difference.
Updated by Deuterous Ino 7 months ago
Hi Jim,
I shot a couple videos, one with the stock antennas on both UV-9R Pros, and one with a stock antenna on one unit and a Nagoya NA-701C on the other.
There is also a GT-3WP and a UV-82HP in the background tuned to the same channel with the rubber ducky they came with.
With both the stock and Nagoya antenna, the UV-9R Pro units exhibit the squelch flapping behavior while the radios behind them show no issues. However, the degree of problems can be affected by my proximity to the units, etc.
Not pictured in these videos is the behavior of the squelch flapping being temporarily "cured" by pressing buttons, but it still happens.