I measured the filter with a Marconi 2030 signal generator with -94dB output, and a SDRPlay1a receiver with SDRUno software.

The results are very satisfying for the purpose, i.e. the 2m websdr in Maasbree.

I put all the measurement data in Excel see attached file.

 

2 Mbandfilter
Excel – 21,3 KB 43 downloads