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RAvirani

S4GRU Staff
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RAvirani last won the day on January 16

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About RAvirani

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    signalcheck.net

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  1. Yes—I’m involved in that project . There may be some small cells coming soon too .
  2. Those are usually left over from the initial AWS deployment, so all run B13/B66 with support for BC0/BC1 (although that’s been shut off on most sites). No NR. Sites with the later Ericsson radios got an OTA update and broadcast B2. On those sites, a B5 OTA update was also available (and tested), but ultimately rolled back. Putting up all that power/spectrum severely degraded the B13 output. The site atop Crystal Mountain is another story and uses the same setup as the site on the ridge near Neilton. These antennas were selected for their vertical beamwidth. Most modern directional antennas have small vertical beamwidths and would require extreme downtilt to cover the road next to a steep ridge. Thus, they would have a severely limited coverage footprint beyond the road. Omnis can be a better choice in these instances, especially when there’s LoS to the coverage objective (since they’ll generally have lower gain figures). Omnis also don’t run in to the horizontal sector edge problem, which can be difficult to optimize for with directional antennas that have complex or irregular 3D gain profiles. That’s why on a lot of sites on mountains, you’ll see wider antennas used. For example, the Verizon site on Joyce Ridge has three sectors with 80-degree HBW antennas.
  3. The same equipment is up on a site in Newcastle and a site in the Laurelhurst neighborhood. Both the Crystal Mountain sites are old-fashioned omnis as well.
  4. That’s good to hear. While AT&T has the latest and greatest up on the CC monopole, I believe Verizon is still running omnis on top of the bowling alley there. That whole area really needs some love from Verizon.
  5. Ah—I wish they had kept the south-facing sector on that site. Going south on 132nd is a dead zone until the road curves and becomes 134th.
  6. Those sites are from T-Mobile’s partnership with Rock Island Communications. They use T-Mobile’s spectrum to provide fixed wireless home internet (and avoid upgrading their wireline network). In exchange, T-Mobile gets a super dense network on the islands. Win-win.
  7. The app only sends raw cell IDs to the map. The map does all of its computations independently from the app.
  8. The SignalCheck map should calculate Dish gNBs correctly—are you seeing issues there or just in-app?
  9. Forgot to follow up on this. The service was once again abysmal .
  10. Been doing it for a for couple now and no issues yet…
  11. It looks like Dish n66 is showing up as n1. I sent a diagnostic this past weekend.
  12. Even in the rural areas T-Mobile has overbuilt, USCC tends to have a denser/more refined network. I also think increased rural market share would be a big win for T-Mobile. Their home internet offering has the potential to be particularly successful in rural areas that tend to lack alternative high-speed options; awareness and customer loyalty in these areas could really boost home internet traction. USCC’s 700, PCS, AWS and 2500 would all be welcome increases in T-Mobile’s spectrum portfolio, too. And maybe Cellular could be traded to AT&T/VZW in exchange for midband…
  13. I’ll be at Arthur Ashe for the US Open next week. Last year the service was abysmal; hopefully it’s better this year.
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