kalibrate-uhd is OK

Thomas Tsou tom at tsou.cc
Wed Jul 10 08:50:13 UTC 2013


On Wed, Jul 10, 2013 at 4:32 AM, jiangwy <wyjiang at ljshuoda.com> wrote:
> kal: Scanning for GSM-900 base stations.
> -- Loaded /home/gsmrlab/.uhd/cal/rx_iq_cal_v0.1_38.A.csv
>         chan: 9 (936.8MHz - 613Hz)      power: 6418.15
>         chan: 12 (937.4MHz - 620Hz)     power: 12117.75
>         chan: 83 (951.6MHz - 643Hz)     power: 6134.54
>         chan: 84 (951.8MHz - 650Hz)     power: 6960.67
>         chan: 85 (952.0MHz - 637Hz)     power: 6300.51
>         chan: 86 (952.2MHz - 689Hz)     power: 6887.63
>         chan: 88 (952.6MHz - 638Hz)     power: 8117.66
>         chan: 90 (953.0MHz - 675Hz)     power: 8154.05
>         chan: 92 (953.4MHz - 607Hz)     power: 19237.80
>         chan: 93 (953.6MHz - 644Hz)     power: 5920.77
>         chan: 95 (954.0MHz - 599Hz)     power: 6156.47
>         chan: 97 (954.4MHz - 653Hz)     power: 6850.15
>         chan: 99 (954.8MHz - 621Hz)     power: 9758.86
>         chan: 101 (955.2MHz - 611Hz)    power: 14142.66
>         chan: 103 (955.6MHz - 612Hz)    power: 8194.55
>         chan: 105 (956.0MHz - 622Hz)    power: 6900.42
>         chan: 106 (956.2MHz - 605Hz)    power: 5699.32
>         chan: 109 (956.8MHz - 618Hz)    power: 6037.80
>         chan: 110 (957.0MHz - 609Hz)    power: 5979.92
>         chan: 112 (957.4MHz - 621Hz)    power: 6714.83
>         chan: 114 (957.8MHz - 616Hz)    power: 7686.20
>         chan: 116 (958.2MHz - 628Hz)    power: 8990.54
>         chan: 118 (958.6MHz - 627Hz)    power: 6750.71
>         chan: 120 (959.0MHz - 607Hz)    power: 6218.47
>         chan: 124 (959.8MHz - 642Hz)    power: 6230.74

The offsets look fine, but Kal is reporting an extremely dense GSM
environment. I wonder if some of these are false values. May I ask
where these measurements were taken?

  Thomas




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