Resend -never saw it appear
----- On Feb 7, 2020, at 2:57 PM, pfizenmayer <pfizenmayer@q.com> wrote:
| Are there any ADSL2 gurus on this reflector -- I have carriers every 4 khz
| 160/80/40
| and obviously three modems causing it as I can null any one of them at a time
| (they are a few cycles apart and can see them separately with P3 scan at 2
khz.)
| Worst case after I have transmitted so the system brings all modems up to max
| the levels on 160 are -80 -90 dBm and sometimes as much as -70 dBm. on 160.
| BUT several evenings about 10 PM local I have seen another set of carriers
again
| spaced 4 khz but between the original set -noise level will also rise about 5
dB
| before
| a beep and the carriers appear then only on for a few seconds and all goes
away
| and that
| may repeat three or four times in an hour or so. I have audio recordings but
| hard to catch
| a P3 screen grab.
| So anybody know are the ADSL/VDSL systems looking at doubling the number of
| carriers ???
| This is a Centurylink system in Phoenix , Az.
| I wish when ARRL proclaimed that ADSL/VDSL was not going to be a problem in
| Phoenix
| that they had checked where there were overhead lines not just buried.
| Hank K7HP
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