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Re: [Discuss-gnuradio] Ais_rx

From: Nick Foster
Subject: Re: [Discuss-gnuradio] Ais_rx
Date: Wed, 4 Mar 2015 09:33:31 -0800

Possible reasons:

1. Inadequate antenna
2. No line of sight to transmitting ships
3. Incorrect subdevice or antenna specification


On Wed, Mar 4, 2015 at 3:15 AM, Vladimir Musarski <address@hidden> wrote:


i'm trying to work with gr-ais gui and after ais_rx runing i have message above:

address@hidden ~/src/gr-ais/apps $ ais_rx

linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.001-105-g91ae742f


-- Operating over USB 3.

-- Initialize CODEC control...

-- Initialize Radio control...

-- Performing register loopback test... pass

-- Performing CODEC loopback test... pass

-- Asking for clock rate 32.000000 MHz...

-- Actually got clock rate 32.000000 MHz.

-- Performing timer loopback test... pass

-- Setting master clock rate selection to 'automatic'.

-- Tune Request: 162.000000 MHz

--   The RF LO does not support the requested frequency:

--     Requested LO Frequency: 162.000000 MHz

--     RF LO Result: 162.000000 MHz

--   Attempted to use the DSP to reach the requested frequency:

--     Desired DSP Frequency: -0.000000 MHz

--     DSP Result: -0.000000 MHz

--   Successfully tuned to 162.000000 MHz


Tuned to 162.000MHz

Setting gain to 36

Gain is 36

Rate is 250000

Using Volk machine: avx_64_mmx_orc


and nothing happened....


do you have some help/sollution for this?

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