e-Callisto Journal of events, problems and solutions

2022-12-04
Mongolia shows strong cross-modulation after replacing LNA (Kuhne braodband LNA).
KASI suffers from data loss and corrupt FIT-files. PC needs restart
IRSOL scheduler doesn't work as expected. Restart PC helped.
AO very nice type II yesterday with fundamental and 1st harmonic, both split-band
TRIEST suffers from 100 Hz rfi, source still unknown
Alexandria stopped data upload and EGYPT (EgSA) doens't show any rfi or noise, jsut strange periodic stuff
SSRT back online for a few weeks already with very good data quality
GREENLAND and DENMARK still out of operation

2022-09-12
Udaipur with FC=02 active
Mongolia very low sensitivity
Heiterswil sends data from the future by 1 minute

2022-07-15
Polarization check due to strong noise storm on July 12th.
Reference = ttps://realtime.obs-nancay.fr/dam/data_dam_affiche/data_dam_affiche.php?init=1&lang=en
Correct are at the moment: COHOE, GREENLAND, Arecibo-Observatory, MEXICO-LANCE-A/B, SWISS-Landschlacht
HAARP needs to be changed, MUHEN, EGYPT did not 'see' the storm

2022-06-30
Greenland back on-line after replacement of broken power supply due to short circuit
Arecibo out of operation...

2022-06-24
After power-transmission tests Arecibo back on-line

2022-06-23
SANSA stopped observation due to corrosion inside LNA
MRT2 back on-line

2022-05-23
MICHELBACH stopped upload. Admin expected next Friday
EGYPT-Alexandria restarted observation at new location. RFI worse compared to original location ...

2022-05-19
Landschlacht: air-conditioner activated after shed-temperature exceeded 42°C

2022-05-16
ROMANIA seems to have communication errors between PC and CALLISTO
BIR has some network issues
IRSOL periodic rfi seems to be synced to measureing rate. Reason unclear ...

2022-05-14
HB9SCT 150-250 MHz system switched off due to too much local rfi
Alexandria is moving system to a new location
ERAU upgraded with a heterodyne up-converter
IRSOL N-connector fixed, sensitivty much better now ...

2022-05-09
1st ligth MEXICO-LANCE-A/B, a nice type III burst 45 MHz - ~90MHz

2022-05-05
USA-ARIZONA-ERAU switched from Yagi to Jove antenna
Heiterswil power fail due to a safety control procedure

2022-05-04
Arecibo back on-line
USA-ARIZONA-ERAU signal loss at 21:37UT the day before

2022-04-30
Arecibo network failed, no data upload...

2022-04-28
BIR: very low sensitivity (water in the frontend?)
GLASGOW: antenna tracker out of order
LANDSCHLACHT: weather station installed, see here: http://e-callisto.org/HB9SCT/Landschlacht/WetterStationLandschlacht.html

2022-04-26
GREENLAND lost signal. Next intervention late Julay- mid August. Too bad...
EgSA diabled CMD-option, therefore no data upload by FTP inside a PERL-script. Too bad...

2022-04-25
Low frequency observation in Freienbach stopped due to strong periodic rfi. Burst hardly detectable.
Testwise changed antenna from BICONE (10-80 MHz) to EE04 (450-700 MHz)

2022-04-22
After a very long period of time we observed an L-band DCIM (DLR, Norway, HB9SCT and SANSA)

2022-04-20
Egypt Space Agency system commissioned based on LPDA, LNA2000 and CALLISTO

2022-03-11
Heiterswil active again and 1st burst observed in 2022

2021-12-03
Heiterswill dismounting LWA due to overhanging snow which buries the antenna

2021-11-20
Embry-Riddle Observatory Arizona opeational again after re-installation/re-configuration of software

2021-11-04
Heiterswil upgrade with heterodyne-up-converter, covering now 18 - 82 MHz
Landschlacht change channel 2 from 45-160 MHz to now 20-80 MHz. New power supply for LWA

2021-10-11
QuickViews updated with focuscode in the plot-title
Nashik: latest sw installed

2021-10-10
1st light Arecibo observatory LWA+CALLISTO at new location

2021-09-29
TRIEST now with LNA 45-80 MHz

2021-09-25
Landschlacht: Aircontioner switched off and de-froster on

2021-09-13
1st light SRI-Lanka with low frequency observation program

2021-09-09
Problem wieder behoben. Ursache: (zu wenige Inodes) ist nun definitiv behoben:
10.35.146.35:/data01 149999994 68520995 81478999 46% /mnt/nas05/data01
10.35.146.35:/data02 99999987 35737877 64262110 36% /mnt/nas05/data02
and DENMARK stopped data upload after 04:15 UT
Sent out status-report/news-letter #91

2021-09-08
Server FHNW lässt keine Datenspeicherung mehr zu AB ~13:30

2021-09-03
Landschlacht: FTP-upload geändert auf GZ-version. Einsparung ~60%

2021-09-02
Landschlacht: Huawei samt SD-Karte getauscht und läuft wieder, allerding snun mit 1Mbit/s
Das Originalgerät funktioniert zu Hause auch wieder, der Wunsch nach Roaming ist erloschen...

2021-08-29
Landschlacht: Versuch Huawei aus- und wieder einschalten. leider erfolglos...

2021-08-25
Landschlacht: Netzwerk ausgefallen, Grund unbekannt

2021-08-20
1st light (type III burst) spectro-polarimeter Alexandria, Egypt

2021-07-05
De-installation sophos-virus-scanner and
Installation kaspersky virus-scanner
Weeding LWA

2021-06-25
Check Landschlacht observatory.
Energy usage from 22.08.2019 till 25.06.2021 is 2022.3 kWh à 0.17CHF
Thus total power cost is about 343.8CHF
And we can derive average power consumption which is about 77 Watts.
2 x CALLISTO, 2 x Power coupler for LWA, GPS, Notebook, airconditioning in summer and heater in winter
Need to upgrade virus-scanner!

2021-06-02
SSW-IDL at FHNW doesn't generate spectral images any-more
Temporary solution: change script from SSW-IDL to Python3....

2021-05-22
Many burst observed the whole day...
INPE data are wrong in timing by 3h (too early)

2021-05-08
COHOE back in operation

2021-04-29
GREENLAND power outage

2021-04-29/30
CALLISTO from HAARP-site will be moved to another, nearby location and connected with a LWA

2021-04-29
Roswell NM network down

2021-04-19/20
1st light from LWA as well as from LPDA at ASSA. Type II, type III and type IV

2021-04-16
GREENLAND stopped observations ...

2021-04-13
4 Callisto and 3 heterodyne-up-converter shipped to IIA, India

2021-04-07
Tracking system now functional in SPAIN-SIGUENZA

2021-04-06
Udaipur, India: FTP upload did not work although all parameter were o.k. and upload from a separate notbook worked perfect.
Solution: Unplug network cable from PC and  plug it back again -> solved.... !

2021-03-16
Brorefelde, Denmark operational again...

2021-03-01
1st light IRSOL, Switzerland

2021-02-03
Pathunthani, Thailand started regular observatioons

2020-12-31
New lot #20 of Callisto eC130-eC133 in production

2020-12-16
First FIT-files received from DLR Neustrelitz
Frequency range 1000-1600 MHz, LPDA tracking the Sun.

2020-12-10
Hildesheim stopped observations due to high level of rfi
Instrument was moved to Stuttgart...

2020-12-06
1st ligth Randaberg, Norway

2020-11-24
1st ligths:
- ERAU Arizona
- OALM Uruguay

2020-08-03
Server at FHNW out of order 03:00....07:30

2020-07-28
Tiny type III burst observed at several stations at 08:17UT
Bleien telescopes set into operation again (5m + 7m dishes)

2020-07-02
First data from CALLISTO Kodaikanal, India
Instruments delivered to DLR, Germany
Instruments delivered to NWU, South Africa
Bleien 5m restarted after Covid-19 shut down
New lot #19 of Callisto eC121- eC129 finished

2020-06-11
PERALEOS renamed to SPAIN-PERALEJOS
Serious problems regarding rfi in OOTY since beginning of May
Loose connectors Mauritius generated rfi
Frequency program Indonesia fixed to < 100 MHz
LMRO low sensitivity due to no LNA, possibly timing error

2020-04-18
Landschlacht: improvement of weather data plotting with Python scripts. Switch off of c++ tool wwwgeni.exe
Improvement of web-site 'Landschlacht'
Server at FHNW is down again, no reaction from sysadmin unfortunately...

2020-04-16
Tried to connect a guest -WiFi. Did not work because FTP to upload data wasn't enabled

2020-04-14
Landschlacht: SALT did not work, therefore I was allowed to connect WiFi from M.V.

2020-04-06
IRIDIUM observation changed 1615 - 1630 MHz BW=80KHz

2020-04-05
TRIEST is sending data from the future (wrong PC-timing 1h)

2020-04-04
Change daily light curve from fixed y-axis range (0...40 dB) to automatic range. Hope to better see Milky Way and the Sun

2020-03-30
Start observing IRIDIUM spectrum 1600 - 1660 MHz BW=300KHz

2020-03-19
End of server upgrade, testing all features

2020-03-19
Change and upgrade of central server at FHNW. Upgrade SSW-IDL and PYTHON3

2020-03-15
Shut down of laboratories and observatories.
No more observations with Bleien radio telescopes

2020-03-09
Information of ETH, that people >= 65 are not allowed to enter the institute due to corona virus
Starting with home office
1st light CRAAG, Boumerdes, Algeria and Landschlacht, Switzerland

2019-03-09
1st light Udaipur Solar Observatory, India

2018-03-23
New LPDA instrument commissioned: SPAIN-SIGÜENZA (41.066N, -2.641W). No tracking yet

2018-03-06
First data recorded locally in Sigüenza (Spain)

2018-02-25
Callisto data policy defined.
Two new instruments for Metsähovi Observatory in Finland
Two new instruments for Norwegia Space Centre
New instrument for Adelaide, Australia
New instrument Telecom University Bandung, Indionesia

2017-03-25
New instrumet at Mekelle University, Ethiopia

2016-03-15
New spectro polarimeter at Kangerlussuaq, Greenland operational

2015-02-23
New instrument at Brorefelde, Technical University of Denmark
New instrumet in Trieste, Italy

2014-03-02
1st light LWA Mexico

2013-02-18
New insturment commissioned at University of Alcalá¡ in Spain
New crossed LPDA in Mauritius

2012-03-01
University of Nairobi in Kenya operational.
Workshop at ANGKASA in Malaysia

2011-04-11
24 instruments operational. ALASKA commisioned new instruments in Anchorage (W. Reeve).
In planning Kazakhstan and Malaysia

2010-05-13
OSRA got a new Callisto for their 7m Würzburg Riese.
Prof. Benz retired, Radio Astronomy Group (RAG) closed.

2009-08-22
TCD got a new Callisto. Brazil, Ecuador and Australia in planning phase.

2008-06-13
Costa Rica and UNAM Mexico as well as SSRT operational
Currently 12 spectroemters operational worldwide.

2007-02-21
Commissioning instrument in Gauribidanur, Badary Russion Federation.
Costa Rica and South Korea in planning phase. IHY-exhibition prepared (Hartmann-event).

2006-04-25
Commissioning of a Callisto at ROB in Huamin, Belgium.
Planning delivery of an instrument to OOTY.

2005-08-09
Commissioning of an instrument in Green Bank, WV at NRAO site

2004-02-04
Flight model ready for testing

2003-07-04
Start design a new low cost solar radio spectrometer