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WiWavelength

S4GRU Staff Member
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Everything posted by WiWavelength

  1. Keep in mind that LightSquared's L band spectrum adjacent to GPS is slated for satellite downlink transmission, not terrestrial downlink transmission. LightSquared's Ancillary Terrestrial Component (ATC) use was possible only under conditional FCC waiver. And, well, LightSquared was not able to meet those conditions. So, a potential spectrum swap would likely require that the L band spectrum adjacent to GPS be used only as satellite downlink as originally intended. LightSquared and its predecessors have been using L band spectrum for satellite downlink operations for years, coexisting just fine with GPS. No. GPS operates on the basic principle of time of arrival -- the greater the distance from the GPS satellite, the later the time of arrival. A pseudo GPS signal broadcast from a cell site would have a much earlier time of arrival than would the signal broadcast from any of the GPS satellites, not to mention that it would likely swamp the signal from any/all GPS satellites. Thus, a cell site based geolocation system would have to be separate from GPS. AJ
  2. No, a blueberry muffin top. AJ
  3. What do you call a muffin top with bruises? AJ
  4. Yes, T-Mobile's PCS B block 30 MHz license is heavily partitioned and disaggregated. But T-Mobile still retains the full 30 MHz in the Twin Cities metro. And T-Mobile's PCS C4 block 10 MHz license remains intact throughout the Minneapolis BTA. So, T-Mobile still has a full 40 MHz of PCS 1900 MHz spectrum in the metro area that matters. AJ
  5. For T-Mobile and W-CDMA 1900, the Minneapolis market is about as easy as they come. In both Minneapolis and Kansas City, T-Mobile holds 40 MHz of PCS 1900 spectrum. Of course, T-Mobile does not require even remotely close to 40 MHz of GSM 1900 bandwidth any longer, so slotting in one or even two W-CDMA 1900 carriers should be relatively painless. In KC, I can say that T-Mobile had not deployed W-CDMA 1900 prior to the MLB All Star Game a few weeks ago (though T-Mobile had deployed a second W-CDMA 2100+1700 carrier, using the AWS spectrum that it received from AT&T). However, I may need to break out the spectrum analyzer again to see if T-Mobile has made W-CDMA 1900 progress in the area since the All Star Game. AJ
  6. When I previously used the rooted Wireless Tether app on the EVO 4G, I enabled WPA2 encryption right away. However, when I set up the current rooted app (now called Wi-Fi Tether) on the EVO LTE a few weeks back, I needed to make just a quick and dirty connection to my tablet, thus left encryption off for the moment. Well, today, I was in a room full of high school students and needed to do a little bit of light tethering, so I again launched Wi-Fi Tether on the EVO LTE. After a few minutes, I noticed that, in addition to my MacBook Air, two other clients had connected. A couple of the high school students' little iPhones had latched on like leeches to my unencrypted connection. Needless to say, I kicked their MAC addresses to the curb and decided that it was long past time to set up my WPA2 encryption as I had always done previously. Advice: watch out for those wireless tether parasites. AJ
  7. The phallic tower property owner is the Haywood Area Recreation District (HARD). You cannot make up stuff better than this. AJ
  8. Are you listening? Stop the comparisons with VZW. Sprint is not VZW. Stop the comparisons with the Spectrum and the Rezound. The Galaxy S3 is neither one of those handsets. Your repeated comparisons have no necessary relevance and do not support your argument. AJ
  9. Josh's trading fees are high because he bought a single share of Sprint stock at Big Larry's Payday Loans, Bail Bonds, and Stock Brokerage. AJ
  10. And none of that is relevant. You can point to latent international roaming capabilities in other handsets all you want, but those handsets are not the Sprint variant Galaxy S3. Thus, those handsets and their internals tell us nothing definitive about the Galaxy S3 and its internals. Sure, the Sprint variant Galaxy S3, like the VZW variant, probably does incorporate some international roaming capability -- that seems likely. But FCC authorization does not extend to bands/band classes used internationally, so FCC authorization docs typically make no mention of those capabilities. As such, we have no direct confirmation right now of international roaming capability; your assumption that it does is only that -- an assumption. AJ
  11. At S4GRU, we are not omniscient. But we are pretty well on top of things. In this case, I wrote an article on FCC approval of SMR 800 MHz wideband operation nearly five months ago. http://s4gru.com/index.php?/blog/1/entry-90-fcc-ready-to-give-sprint-official-go-ahead-on-smr-800-mhz-wideband-operation/ AJ
  12. No, just no. Too many superficially knowledgable techies seem to think that any problem is fixable in software, that any technology can be reduced to the size of a microchip. Yes, all domestic Galaxy S3 models are based on the same Qualcomm MSM8960 chipset, which contains a multimode 3GPP/3GPP2 LTE capable modem. But far more than just modem, airlink and band/band class capability require compatible power amps, filters, and antennas -- physical things that cannot be replicated in software and are a bit larger than microchips. As Scott points out above, Samsung has submitted to the FCC four different Galaxy S3 LTE versions for VZW, AT&T, Sprint, and USCC. Maybe all of those versions contain the same power amps, filters, and antennas to support LTE bands 2, 4, 5, 12, 13, 17, and 25. But that is quite unlikely, and the onus is on you to prove your claim that they contain all the same hardware. No, wrong again. LTE is an OFDMA airlink with an all IP core. GSM and W-CDMA are neither. That 3GPP developed LTE as an evolutionary path for GSM/W-CDMA and other carriers does not make it GSM, nor GSM based. Anything otherwise is GSM cartel propaganda. AJ
  13. Are we sure that some of these nests atop towers are not actually S4GRU members' camp sites as they breathlessly await LTE? AJ
  14. I bought a WD MyBook Live 2 TB before HD prices spiked and have been satisfied. AJ
  15. For the $300 "construction fee," do you think that Google would give me a big spool of fiber that I could unspool out my car window as I drive the 30 miles back to my house in Lawrence? AJ
  16. Tough nuts. All initial Sprint LTE handsets have embedded SIMs. And international roaming is an issue for about one percent of the population about one percent of the time. AJ
  17. One cannot use a local SIM. A "world phone" has a rather loose definition, meaning that a phone supports at least one band/airlink combination that allows it to roam in another country. AJ
  18. How to view available carrier channels on your iPhone? Okay. Use your iPhone to order a spectrum analyzer. AJ
  19. Reportedly, the screen is only 720p, and the body is chunky. For a consumer, the tablet would not be worth even half the $1300 developers' cost. AJ
  20. No, they are not defined for LTE specific networks. But they may be defined for CDMA2000/LTE hybrid networks. Regardless, the EVO LTE certainly populates its LTE Record screen with SIDs, NIDs, and BSIDs. AJ
  21. The BSIDs come from the LTE Record screen hidden inside the EVO LTE. They do indicate sites with live but not necessarily accessible LTE. AJ
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