<div dir="ltr">my self Usha i am working in meteorology department as a PhD student.<div>I am new in grads so please help me </div><div><br></div><div>my problem</div><div><br></div><div>I am using ctl file (file name = dom3.ctl)</div><div>i want station data value for five parameters , rainc, rainnc, u,v and rh</div><div>i had used command </div><div><i style="color:rgb(0,0,0)"> ga-> </i>d gr2stn(rainc,77.06,35.45)</div><div><br></div><div>then i am getting error as follow</div><div> <i style="color:rgb(0,0,0)">Error from GR2STN: 2nd argument must be stns</i></div><pre style="color:rgb(0,0,0)">><i> > Operation Error: Error from gr2stn function
</i>><i> > Error ocurred at column 1
</i>><i> > DISPLAY error: Invalid expression
</i>><i> > Expression = gr2stn(rainc,77.06,35.45)</i></pre><pre style="color:rgb(0,0,0)"><i>please help me </i></pre><pre style="color:rgb(0,0,0)"><i><br></i></pre><pre style="color:rgb(0,0,0)"><i>thanks in advance</i></pre></div>