Certain Downstream Frequencies have terrible SNR

Hi,

I'm getting a ton of dropped packets, slowness, and noise on certain frequencies for downstream channels. This has been happening for a very long time, and every time my modem locks to frequencies in this range the internet becomes almost unusable. Frequencies are in the low-to-mid 600MHz range. Sometimes I get lucky after a restart and it locks to lower frequencies that don't quite reach 600MHz and the internet behaves nicely. New lines were recently installed from the pole to my house as well.

Channel	Lock Status	Modulation	Channel ID	Frequency	Power	SNR	Correctables	Uncorrectables
1	Locked	QAM256	29	651000000 Hz	0.4 dBmV	39.9 dB	0	0
2	Locked	QAM256	17	579000000 Hz	1.2 dBmV	40 dB	0	0
3	Locked	QAM256	18	585000000 Hz	1.3 dBmV	38.9 dB	0	0
4	Locked	QAM256	19	591000000 Hz	1 dBmV	33.9 dB	0	0
5	Locked	QAM256	20	597000000 Hz	0.5 dBmV	35.2 dB	0	0
6	Locked	QAM256	21	603000000 Hz	0 dBmV	37.4 dB	0	0
7	Locked	QAM256	22	609000000 Hz	-0.5 dBmV	39.5 dB	0	0
8	Locked	QAM256	23	615000000 Hz	-0.8 dBmV	39.5 dB	0	0
9	Locked	QAM256	24	621000000 Hz	-1.1 dBmV	35.5 dB	20489118	12248870
10	Locked	QAM256	25	627000000 Hz	-1.1 dBmV	29.2 dB	318027	1450910
11	Locked	QAM256	26	633000000 Hz	-1 dBmV	33.3 dB	357279	1340107
12	Locked	QAM256	27	639000000 Hz	-0.6 dBmV	34.5 dB	361754	1351104
13	Not Locked	Unknown	28	645000000 Hz	0.0 dBmV	0.0 dB	0	0
14	Locked	QAM256	30	657000000 Hz	0.7 dBmV	40.1 dB	0	0
15	Locked	QAM256	31	663000000 Hz	0.7 dBmV	40.1 dB	0	0
16	Locked	QAM256	32	669000000 Hz	0.5 dBmV	40.1 dB	0	0

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user_6eea43

Certain Downstream Frequencies have terrible SNR

EG

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