Erik PE1RQF offered to do measurements on his Baofeng BF-F9, before and after changing default squelch levels with Chirp. As expected after field tests, the differences are substantial. Here they are:
VHF (default settings, thresholds in dBm)
SQ Set | BF-F9 setting | Threshold |
1 | 40 | -124,6 |
2 | 41 | -123,8 |
3 | 42 | -122,2 |
4 | 43 | -120,8 |
5 | 44 | -120,6 |
6 | 45 | -119,9 |
7 | 46 | -119,4 |
8 | 47 | -118,8 |
9 | 48 | -118,4 |
VHF (new settings, thresholds in dBm)
SQ Set | BF-F9 setting | Threshold |
1 | 24 | -130,4 |
2 | 29 | -131,4 |
3 | 34 | -130,9 |
4 | 39 | -129,6 |
5 | 44 | -125,5 |
6 | 49 | -120,1 |
7 | 54 | -115,3 |
8 | 59 | -110,2 |
9 | 64 | -105,1 |
UHF (default settings, thresholds in dBm)
SQ Set | BF-F9 setting | Threshold |
1 | 29 | -140,1 |
2 | 30 | -130,9 |
3 | 31 | -129,0 |
4 | 32 | -127,4 |
5 | 33 | -126,6 |
6 | 34 | -125,4 |
7 | 35 | -123,8 |
8 | 36 | -123,0 |
9 | 37 | -121,6 |
UHF (new settings, thresholds in dBm)
SQ Set | BF-F9 setting | Threshold |
1 | 24 | -133,1 |
2 | 29 | -133,1 |
3 | 34 | -125,6 |
4 | 39 | -120,7 |
5 | 44 | -114,1 |
6 | 49 | -108,6 |
7 | 54 | -103,6 |
8 | 59 | -97,6 |
9 | 64 | -93,7 |