Desired setup:
Channel 1 IFP#1-LO 8409 - 8425 MHz USB RCP Channel 2 IFP#1-HI 8425 - 8441 MHz USB RCP Channel 3 IFP#2-LO 8441 - 8457 MHz USB RCP Channel 4 IFP#2-HI 8457 - 8473 MHz USB RCP Channel 5 IFP#1-LO 8409 - 8425 MHz USB LCP Channel 6 IFP#1-HI 8425 - 8441 MHz USB LCP Channel 7 IFP#2-LO 8441 - 8457 MHz USB LCP Channel 8 IFP#2-HI 8457 - 8473 MHz USB LCP
DBBC Astro or Geo mode will set the first 8 IFs (4 from CoMo A, 4 from CoMo B) the same. Channel mapping is shown at the end of this page.
So for this experiment, CoMo A will be set up for RCP, B for LCP. CoMo A has RCP on input 1, CoMo B and LCP on input 1. (Here's the DBBC back-end wiring schematic for AuScope sites). So DBBC commands should be:
dbbcifa=1,agc,1 dbbcifb=1,agc,1 dbbcform=astro
The remaining DBBCs are not used so go with default
dbbcifc=2,agc,2 dbbcifd=2,agc,2
First LO is 7600 MHz, so frequencies to configure:
CoMo A:
809.00 16 R 825.00 16 R 841.00 16 R 857.00 16 R
CoMo B:
809.00 16 L 825.00 16 L 841.00 16 L 857.00 16 L
Remaining DBBC CoMos are not used so we'll set them all to 300 MHz.
Channel Mapping for the DBBC:
CoMo ID/output | Mk4 sampler output | DBBC VSI Output | |
---|---|---|---|
Astro | Geo | ||
A/1 | 1 USB Sign | 0 | 0 |
A/1 | 1 USB Mag | 1 | 1 |
A/2 | 2 USB Sign | 2 | 2 |
A/2 | 2 USB Mag | 3 | 3 |
A/3 | 3 USB Sign | 4 | 4 |
A/3 | 3 USB Mag | 5 | 5 |
A/4 | 4 USB Sign | 6 | 6 |
A/4 | 4 USB Mag | 7 | 7 |
B/1 | 5 USB Sign | 8 | 8 |
B/1 | 5 USB Mag | 9 | 9 |
B/2 | 6 USB Sign | 10 | 10 |
B/2 | 6 USB Mag | 11 | 11 |
B/3 | 7 USB Sign | 12 | 12 |
B/3 | 7 USB Mag | 13 | 13 |
B/4 | 8 USB Sign | 14 | 14 |
B/4 | 8 USB Mag | 15 | 15 |
A/1 | 1 LSB Sign | 16 | 16 |
A/1 | 1 LSB Mag | 17 | 17 |
A/2 | 2 LSB Sign | 18 | |
A/2 | 2 LSB Mag | 19 | |
A/3 | 3 LSB Sign | 20 | |
A/3 | 3 LSB Mag | 21 | |
A/4 | 4 LSB Sign | 22 | |
A/4 | 4 LSB Mag | 23 | |
B/1 | 5 LSB Sign | 24 | |
B/1 | 5 LSB Mag | 25 | |
B/2 | 6 LSB Sign | 26 | |
B/2 | 6 LSB Mag | 27 | |
B/3 | 7 LSB Sign | 28 | |
B/3 | 7 LSB Mag | 29 | |
B/4 | 8 LSB Sign | 30 | 18 |
B/4 | 8 LSB Mag | 31 | 19 |
C/1 | 9 USB Sign | 20 | |
C/1 | 9 USB Mag | 21 | |
C/2 | 10 USB Sign | 22 | |
C/2 | 10 USB Mag | 23 | |
C/3 | 11 USB Sign | 24 | |
C/3 | 11 USB Mag | 25 | |
C/4 | 12 USB Sign | 26 | |
C/4 | 12 USB Mag | 27 | |
D/1 | 13 USB Sign | 28 | |
D/1 | 13 USB Mag | 29 | |
D/2 | 14 USB Sign | 30 | |
D/2 | 14 USB Mag | 31 | |
D/3 | 15 USB Sign | ||
D/3 | 15 USB Mag | ||
D/4 | 16 USB Sign | ||
D/4 | 16 USB Mag |