Great that it works now. :-) /Stefan

> Am 15.07.2022 um 17:08 schrieb Werner, Frank (329D) 
> <frank.wer...@jpl.nasa.gov>:
> 
> Hi Stefan,
> 
> Great advice!
> 
> I actually ended up using the method AntennaConstantGaussian1D(), as this 
> also sets up a reasonable mblock_dlos_grid. Now the antenna response has an 
> impact on the simulations.
> 
> Thanks for the help and best wishes,
> Frank 
> 
> --
> Frank Werner
> Mail Stop 183-701, Jet Propulsion Laboratory
> 4800 Oak Grove Drive, Pasadena, California 91109, United States
> Phone: +1 818 354-1918
> 
> ´╗┐On 7/15/22, 7:51 AM, "Buehler, Stefan" <stefan.bueh...@uni-hamburg.de> wrote:
> 
>    Dear Frank,
> 
>    I am not at all an expert on this, but I guess you have to set 
> mblock_dlos_grid to more meaningful values. There are some methods to help 
> with this, for example mblock_dlos_gridUniformCircular.
> 
>    Cheers,
> 
>    Stefan
> 
>> Am 15.07.2022 um 07:09 schrieb Werner, Frank (329D) 
>> <frank.wer...@jpl.nasa.gov>:
>> 
>> Dear ARTS team,
>> 
>> I am trying to define a Gaussian antenna response (4 deg HPBW), which seems 
>> pretty straight forward. The code runs and does not produce any error 
>> messages. However, it seems like my implementation does not affect the 
>> simulations at all; indeed comparisons with runs where the antenna is turned 
>> off produce identical results.
>> 
>> Here is what I tried to do (using Pyarts):
>> ws.IndexSet(ws.antenna_dim, 2) 
>> ws.MatrixSet(ws.mblock_dlos_grid, [0,0])
>> ws.antenna_responseGaussian(ws.antenna_response, 4,3,0.1,1)
>> ws.IndexSet(ws.sensor_norm, 1)  # Normalize sensor
>> ws.sensor_responseInit() # Some sensor
>> 
>> When I compare this to simply:
>> ws.AntennaOff() # No antenna
>> ws.IndexSet(ws.sensor_norm, 1)  # Normalize sensor
>> ws.sensor_responseInit() # Some sensor
>> 
>> the results are identical. Am I missing something? Is there another command 
>> that needs to be added? Does the sensor_responseInit() somehow overwrite the 
>> antenna response?
>> 
>> I can also provide complete arts example controlfiles that illustrate the 
>> issue.
>> 
>> Thanks for your help and best wishes,
>> Frank
>> 
>> --
>> Frank Werner
>> Mail Stop 183-701, Jet Propulsion Laboratory
>> 4800 Oak Grove Drive, Pasadena, California 91109, United States
>> Phone: +1 818 354-1918
> 
> 

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