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Homey

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Gigablast Poor Download Speeds

I upgraded to Cox Gigablast a couple of weeks ago and have not yet been able achieve download speeds greater than 200mbps-250mbps. Upload speeds are fine at 35mbps. I have tried modem reboots and factory resets, and even a reactivation today. Nothing seems to get the speeds up. The modem is connected directly to the main cable drop, no splitters. The Modem is an Arris SB8200. 

While all of 32 channels are locked, the first 20 are locked close to the Downstream 957MHz from Cox  while the last 12 are all locked at frequencies about half of 957MHz. Is that part of the problem? I feel like that would reduce the capability of the downstream channels. Sorry if a dumb question.

Thanks in advance for any assistance.

Here is current status of the Downstream Bonded Channels. The OFDM channel is #159 at only 348Mhz:

Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
30 Locked QAM256 957000000 Hz 9.6 dBmV 40.2 dB 0 0
1 Locked QAM256 783000000 Hz 9.0 dBmV 40.6 dB 0 0
2 Locked QAM256 789000000 Hz 8.9 dBmV 40.7 dB 0 0
3 Locked QAM256 795000000 Hz 8.9 dBmV 40.6 dB 0 0
4 Locked QAM256 801000000 Hz 9.0 dBmV 40.5 dB 0 0
9 Locked QAM256 831000000 Hz 9.2 dBmV 40.2 dB 0 0
10 Locked QAM256 837000000 Hz 9.1 dBmV 40.5 dB 0 0
11 Locked QAM256 843000000 Hz 9.2 dBmV 40.2 dB 0 0
12 Locked QAM256 849000000 Hz 9.4 dBmV 40.1 dB 0 0
17 Locked QAM256 879000000 Hz 9.2 dBmV 40.0 dB 0 0
18 Locked QAM256 885000000 Hz 9.0 dBmV 39.8 dB 0 0
19 Locked QAM256 891000000 Hz 9.1 dBmV 40.1 dB 0 0
20 Locked QAM256 897000000 Hz 9.2 dBmV 39.8 dB 0 0
21 Locked QAM256 903000000 Hz 9.2 dBmV 39.8 dB 0 0
22 Locked QAM256 909000000 Hz 9.2 dBmV 39.9 dB 0 0
25 Locked QAM256 927000000 Hz 9.6 dBmV 39.6 dB 0 0
26 Locked QAM256 933000000 Hz 9.4 dBmV 40.2 dB 0 0
27 Locked QAM256 939000000 Hz 9.7 dBmV 40.2 dB 0 0
28 Locked QAM256 945000000 Hz 9.7 dBmV 40.0 dB 0 0
29 Locked QAM256 951000000 Hz 9.6 dBmV 40.0 dB 0 0
33 Locked QAM256 405000000 Hz 6.8 dBmV 40.9 dB 0 0
34 Locked QAM256 411000000 Hz 6.8 dBmV 41.0 dB 0 0
35 Locked QAM256 417000000 Hz 6.7 dBmV 40.9 dB 0 0
36 Locked QAM256 423000000 Hz 7.1 dBmV 41.2 dB 0 0
37 Locked QAM256 429000000 Hz 7.2 dBmV 41.1 dB 0 0
38 Locked QAM256 435000000 Hz 7.2 dBmV 41.1 dB 0 0
41 Locked QAM256 453000000 Hz 7.6 dBmV 41.0 dB 0 0
42 Locked QAM256 459000000 Hz 7.6 dBmV 41.1 dB 0 0
43 Locked QAM256 465000000 Hz 7.7 dBmV 41.1 dB 0 0
44 Locked QAM256 471000000 Hz 7.9 dBmV 41.4 dB 0 0
45 Locked QAM256 477000000 Hz 7.9 dBmV 41.5 dB 0 0
46 Locked QAM256 483000000 Hz 7.7 dBmV 41.2 dB 0 0
159 Locked Other 348000000 Hz 9.3 dBmV 41.8 dB 98439200 0

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