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kg4icg

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Posts posted by kg4icg

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

    Landed at Dulles last night and was able to test out at 20mb / 5.5mb while taxing back to the gate. Somewhere on the Toll Road east I lost the signal.

     

    What I can see from your test that you landed on 1R/19L and start a Sensorly track from the taxi lanes on the north end.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    LTE phones support Clear's LTE?

    in Network, Network Vision/LTE Deployment

    Posted

    y

    Okay, sure, I am not very familiar with ham radio equipment. But I doubt that ham concerns about the above properties are as great as they are for handsets. The size of the equipment is just very different.

     

    Just curious, do you have any idea what typical ERP/EIRP is for a mobile handset?

     

    AJ

    here is something to think about, what is a surefire way of turning your $2,000 and up radio equipment into a paper weight in need of repair? Antenna mismatch. Your typical Cell Phone power range is milliwatts. which hams use in qrp which is low power and radio experiments in the ghz range up to 300ghz.

    LTE phones support Clear's LTE?

    in Network, Network Vision/LTE Deployment

    Posted

     

    No, probably not. I am guessing that ham radio is not all too concerned about antenna size, varied antenna gain at different frequencies, and power consumption. All of those are major concerns in mobile handsets, which most commonly use microstrip antennas (PIFA) and need to keep consistent antenna gain (within a few dBi) in each operating band.

     

    http://en.wikipedia.org/wiki/Microstrip_antenna

     

    AJ

     

    Hate to prove you wrong but you can't get a multi band transceiver to operate on 1 antenna size with out a matching antenna network.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    LTE phones support Clear's LTE?

    in Network, Network Vision/LTE Deployment

    Posted

     

    I've wondered about this possibility myself.

     

    Robert

     

    It is just a simple matter of software radio tuning on the antenna. Such as some radio gear with a auto antenna tuner, raising and lowering capacitance on the tuning circuit with variable voltages. We hams do have access and experiment with frequencies of 2.4ghz and higher up to 300ghz.

     

    Sent from my SPH-L710 using Tapatalk 2

    • Like 1

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

    On germantown thats nice but those cities germantown and Gaithersburg where not in the list of cities that should get LTE unlike rockville bethesda and fredrick which are in the list but dot any LTE yet

     

    You do realize they are all part of the DC market. In which Frederick is also.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

    I'm confused - so the Herndon area around Clock Tower has LTE up, at least to some degree. I mapped a few areas with Sensorly last night. Based on signal strength it appeared the tower is likely around Frying Pan. Crossing over to the Worldgate side of the Toll road I had signal in and out and then gone. Then suddenly back again at Worldgate (that tower is on the Marriott). I live nearby and have had horrible service there lately so this does make some sense. However, the signal doesn't seem to cover a full 360 yet and not much strength there. Am I picking up signal carrying from, perhaps, Frying Pan, or would the have things turned on and testing without all panels up and operational?

     

    Also, I'm using the EVO LTE and having to force LTE only and constantly toggle airplane mode or radio on/ off to find the signals.

    I think it is the tower at Frying Pan and 28 that is active, if you look at the Sensorly map you will notice the Signal is stronger along 28 then it is in around Clock Tower. If it was the Marriott panels active then I would receive it at the house in which I am 2 blocks out of range if the current mapping. I am over here off of Parcher by the elementary school.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    Sprint commercial

    in General Topics

    Posted

    What you haven't figured out is every last one of those clips of the pets were shot by people on the street. The 1st cat, the owner was called up by the ad agency asking if they could use the YouTube video of his vocal cat, especially when the cat is hungry. It is most clips the owners of the animals shot themselves with exception of the polar bear which in all likely hood was shot by someone visiting a zoo. They are all amateur videos that were requested for use by ad agency. The guy with the 1st cat explained the ad but I can't remember where I read it this week.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

    I just mapped a little on the Greenway on the eastbound side on my way back from Frederick, Md. As for the herndon plot, it looks like my house is out of range of the 1 tower that is LTE active, by a block. Oh well no big deal, my wifi at home is good.

     

    Sent from my SPH-L710 using Tapatalk 2

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

     

    CDMA Field Test does not show LTE sites in their map location feature. Only the 1x site. Our advanced research team of wireless nerds have not been able to find where the LTE sites squawk their location coords at all. So no app will be able to tell which LTE site it is connected to, or any time soon, without network changes and Android API changes.

     

    Robert via Nexus 7 on Tapatalk

     

    I know it's the north tower because I shifted quarter mile to the north last night and got a better signal. Dulles has 3 towers covering it 1 to the north, 2nd to the west and 3rd on the south side.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    Network Vision/LTE - Washington DC Market

    in Markets

    Posted

     

    Just curious are you checking from the FedEx chopper?

     

    Tractor trailer, go to previous post page and you will see a CDMA field test screen shot of LTE signal strength and map location of tower I was on at the airport, also the Sensorly run from air freight Ln to access Rd east bound is my track. 1 by the terminal I don't know who.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

    VoLTE vs 1x Advanced

    in Network, Network Vision/LTE Deployment

    Posted

    Part of the problem is that Sprint's implementation is different than the rest of the world in some aspects. The iPhone, for example, supports HD Voice, but it's not compatible with Sprint's network. The same can be said for several Android phones.

     

     

    Sent from my iPhone using Tapatalk

     

    That wasn't Sprints decision, that was Apple's. If you look carefully, you will notice that Apple's hd voice implementation doesn't work on any US carrier.

     

    Sent from my SPH-L710 using Tapatalk 2

     

     

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