It's tested in downtown of Beijing China. I think also there are no so GSM BTS. I will use test phone to do scanning later.
jiangwy
From: Thomas Tsou Date: 2013-07-10 16:50 To: wyjiang CC: Alexander Chemeris; UmTRX Subject: Re: Re: kalibrate-uhd is OK On Wed, Jul 10, 2013 at 4:32 AM, jiangwy wyjiang@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