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The new Fast Fourier Transform Spectrometer
(XFFTS) for Effelsberg is available for observations since late 2011.
The backend has 32768 channels in each of the
two IF inputs so that for 2 channel receivers both
polarisations can be sampled and processed in parallel.
Currently the following modes are available:
| Bandwidth
[MHz] |
Spectral Channels
|
Effective Spectral
Resolution
[kHz] |
IF
|
| 2000 |
32768 |
70.8 |
Broad Band (currently only available
with the 1.3cm and 1.0cm prime focus receivers) |
| 500 |
32768 |
17.7 |
VLBA-IF |
100
|
32768 |
3.5 |
VLBA-IF / Narrow-band-IF |
Note, that the effective bandwidths are about 10% smaller, because of bandpass issues!
For further information about the FFTS please contact: Bernd Klein (bklein_at_mpifr-bonn.mpg.de).
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