MLM_Wednesday_February_10_2010 - david-macmahon/wiki_convert_test GitHub Wiki

Data and Descriptions

These should be annotated...

0329/0329.pcap
crab/crabcrap.pcap
crab/crab.pcap
gps/prn14_10min_highdatarate.pcap
gps/prn14_10min.pcap
gps/prn14.pcap
jupiter/jupiter_off.pcap
jupiter/jupiter_on.pcap
level_setting/*.pcap
pre-run/0928amtest.pcap
pre-run/0929amtest.pcap
pre-run/1003amtest.pcap
pre-run/1012amtest.pcap
radarsat/radarsat.pcap
arsr/afr.pcap

Logs

MLM_Feb_2010_bbarrott

Final coefficient and bit selection settings

Register Value
reg_sync_period 131072
reg_acclen 127
reg_coeff_stokes1 1024
reg_coeff_stokes2 1024
reg_coeff_stokes3 1024
reg_coeff_stokes4 1024
kurt_scale_1a 12288
kurt_scale_1b 12288
kurt_output1a 0
kurt_output1b 0
reg_output_bitselect1 1
reg_output_bitselect2 1
reg_output_bitselect3 1
reg_output_bitselect4 1
Packet_Size 1025
reg_ip 10.0.0.2
reg_10GbE_destport0 6001

Derived SK Estimator Scaling

The values above indicate that the power ratio term in the SK estimator should be scaled by a factor (1024/12288)^2 == 1/144

Note that the 16 bit / 8 bit bit selection cancels with the byte selection offset

Observing frequency

atagetskyfreq d
1420.0

after crab:

atagetskyfreq d
1560 MHz
(downlink 1575 MHz)

after prn14

atagetskyfreq d
2250
(signal 2230.06 MHz)

after radarsat

atagetskyfreq d
1345 MHz
(arsr)

Sources

Jupiter

  • obs time: 14:13-14:21 PST (on-source) 14:27-14:35 PST (off-source)
  • obs frequency: 1420 MHz
siemion@pulsar-1 ~ % atacheck jupiter

Rises > 16.5 deg    : Thu Feb 11 09:21:23 PST 2010 (LST 18:41:34.85).
Sets  < 16.5 deg    : Wed Feb 10 17:02:47 PST 2010 (LST 02:20:18.52).

Jupiter (on-source) Data

Jupiter (off-source) Data

Image:jm7yCXf__plot.png|Jupiter Plot 1

PSR 0329+54

  • RA 03h 32m 59.44s DEC +54˚ 34' 43.7"
  • obs time: 14:40-14:45 PST
  • obs frequency: 1420 MHz
siemion@pulsar-1 ~ % atacheck --radec 03,54

Rises > 16.5 deg    : Thu Feb 11 09:26:37 PST 2010 (LST 18:46:49.91).
Sets  < 16.5 deg    : Thu Feb 11 01:55:40 PST 2010 (LST 11:14:38.66).

0329 Data

Crab Pulsar (PSR B0531+21)

  • RA 05h 34m 31.97s DEC +22˚ 00' 52.1"
  • obs time: 15:04-15:44 PST
  • obs frequency: 1420 MHz
siemion@pulsar-1 ~ % atacheck --radec 05,22
Rises > 16.5 deg    : Wed Feb 10 13:56:21 PST 2010 (LST 23:13:21.52).
Sets  < 16.5 deg    : Thu Feb 11 01:28:58 PST 2010 (LST 10:47:52.64).

Crab Data

Image:fq2j766L_Crab_Giant_Pulse_MLM.pdf.png|High-Res version of Crab_Giant_Pulse_MLM.pdf Image:ab4ddYAM_crab_mlm_kurtosis.pdf.png|SK Estimator of CGP High-Res version of crab_mlm_kurtosis.pdf Image:v2SXV4ww_crab_gp_hankins_nature.png|High time-resolution plot of a few crab GPs from Hankins et al Nature 422, 141-143

GPS PRN14 (@ 1575 MHz)

  • obs time: 15:56-15:58 PST and 16:09-16:19 PST and 16:21-16:26 PST (at higher data rate)
  • obs frequency: 1560 MHz

PRN14 Data

Radarsat 1 (@ 2230.06 MHz)

  • obs time: 16:35-16:44 PST (tracking at 16:38)
  • obs frequency: 2250 MHz

Radarsat Data

ARSR (@ 1341 MHz and 1336 MHz)

  • obs time: 16:53-16:57 PST
  • obs frequency: 1345 MHz