1.35,1.78 (L band) 2.20,2.50 (S band) 4.544,6.336 (C band) 8.00,9.20 (X band)The default is 4.544,6.336.
no128 Frequencies that are multiples of 128 MHz are to be avoided. All resulting frequencies are odd multiples of 64 MHz. infinity Minimise the worst gap in the uv coverage. The default is to minimise the rms gap in the uv coverage. The infinity option is the best option if you have very good uv coverage. Otherwise it produces poorer results. colours Plot each configuration with a different colour