Date: Wed, 10 Feb 2010 11:20:25 +0800 [02/10/2010 11:20:25 AM PHT] Dear Ma’m Toni and Fr. Dan, The FM-CW radar are having problems again. I sent the diagnostics to Ikeda of SERC last night at 11 pm. Since the Iono building will be transformed into a SERC subcenter in a month or two, I think [...]
Posts Tagged ‘FM-CW radar’
10 Feb
Computer initialization problem: explorer.exe
Sent: Tuesday, February 09, 2010 11:53 PM Subject: Computer System Initialization problem Dear Akihiro Ikeda, I checked the FM-CW radar tonight. The last ionosonde data was 2008/02/08 10:28. The doppler data cannot be accessed: “Insufficient system resources exist to complete the requested service.” The SkManager hang. I closed it and tried to open it again [...]
26 Jan
FM-CW Radar: Fatal: Network Error: Timed Out
Fri, 22 Jan 2010 13:39:35 +0800 Dear Akihiro Ikeda, There are some messages in MatLab that I don’t understand. It says, “Fatal network error: connection timed out.” Saving… c:\radar\qld\qld_data\qldop_20100122 Sending QLD Plots. Please wait… Fatal: Network error: Connection timed out Datas had gone to Japan completely ! Extracting from archive : C:/win/SK_Manager/OBS/ION/20100122/20100122052800.lzh Melted 20100122052800.ion [...]
26 Jan
FM-CW Radar delayed write failed
Tue, 19 Jan 2010 14:41:34 +0800 Dear Akihiro Ikeda, The FM-CW computer has the following message: “Windows delayed write failed. Windows was unable to save all data for the file Y$Mft. The data has been lost. The error may be caused by failure in your computer hardware or network connection. Please try to save this [...]
9 Dec
How to get FM-CW radar data using a USB flash memory
Ikeda sent me today a short manual he prepared with Dr. Maeda. I cannot network my computer to the FM-CW radar computer before, because of the latter’s firewall. This manual is the simple solution: FM-CW Data Usage Manual Prepared by A.Ikeda and G. Maeda On 08 Dec. 2009 Space Environment Research Center Kyushu University 1. [...]
5 Dec
FM-CW radar now sends data to Japan via Secure Shell (SSH) protocol
Dr. Abe and and Akihiro Ikeda of SERC (Space Environment and Research Center) was here last Tuesday and Wednesday to change the data sending protocol from HTTP to SSH: Secure Shell or SSH is a network protocol that allows data to be exchanged using a secure channel between two networked devices.[1] Used primarily on Linux [...]
28 Nov
FM-CW Radar is working again after I restarted the computer
It happened about three weeks ago, 7 Nov 2009. Our network officer, Kuya Doods, and I tried to the computer connected to the FMCW radar transmitter and receiver to our local network. In this way, I can access the data from my computer. The FMCW radar computer has two USB ports each connected to two [...]
14 Oct
How to remove the power transistor from the FM-CW radar transmitter
Yesterday, Akihiro Ikeda of Kyushu university taught me how to remove the power transistor from the FM-CW radar transmitter (Tx). The transmitter was busted when lightning hit the Observatory’s premises. The receiver Rx has a surge absorber, but it may not be enough. Akihiro took the transmitter for repair to Japan. When he went back [...]
11 Oct
The FM-CW radar is back at the Ionosphere Building
Yesterday, Ikeda-san and Dr. Shinohara arrived from Kyushu University to set up their FM-CW radar that was damaged by lightning months ago. They arrived at about 7 p.m. It is a good thing that I was there to welcome them. Ikeda brought with him some little black metal clips for connecting the white cord of [...]
1 Jul
FM-CW radar breaks down during thunderstorms
Last May 9, 2009, the FM-CW (Frequency Modulated Continuous Wave) radar stopped sending data to Kyushu University. There was a lightning strike at the Manila Observatory at that time. The statue of St. Ignatius of Loyola in front of the Manila Observatory was nearly hit, putting many telephone lines out of service, including my telephone [...]
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