lbaops:lbamar2012:rafs16holog
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lbaops:lbamar2012:rafs16holog [2015/12/18 16:38] (current) |
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| + | C-band setup\\ | ||
| + | 4828 sky freq \\ | ||
| + | agilent 10.5 \\ | ||
| + | SML 680 2nd LO \\ | ||
| + | coherence tone 482.3 10th harmonic produces 5 MHz baseband on band splitter1 \\ | ||
| + | DAS profile 16_UL_N.PRO\\ | ||
| + | Takes about 8 minutes to change bands! \\ | ||
| + | Disks UTAS V001A \\ | ||
| + | channels 1-4. UTAS Wiki was wrong here. Also it was wrong on 2nd LO and coherence tone.\\ | ||
| + | 2012.071.12:37:59.94;"will change to L-band shortly. \\ | ||
| + | 2012.071.13:00:29.54;"das had crashed adjusting levels now \\ | ||
| + | 2012.071.13:04:40.13;"L band mode change started 1240UT and completed 1247UT\\ | ||
| + | 2012.071.13:05:04.61;"however there seemed to be a levels problem. \\ | ||
| + | DAS program was restarted and levels adjusted to correct values by 1300 UT \\ | ||
| + | L-band setup is: \\ | ||
| + | sky freq 1660 \\ | ||
| + | Agilent 4.05 GHz. Moved 50 MHz from nominal to try and level the passband \\ | ||
| + | SML 2nd LO 642 \\ | ||
| + | RX atten 14.06 dB \\ | ||
| + | quad in \\ | ||
| + | No idea how many steps out from in limit is the trombone. \\ | ||
| + | DAS profile 16_UL_F.pro\\ | ||
| + | that's all. \\ | ||
| + | 2012.071.13:33:50.78;"Antenna was at low elevation to North and RFI became stronger at thye lower elevation.\\ | ||
| + | 2012.071.13:34:16.85;"Observers were Brett Reid, Jay Blanchard. \\ | ||
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lbaops/lbamar2012/rafs16holog.txt · Last modified: 2015/12/18 16:38 (external edit)
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