Sir/Ma'am,
The United States Joint Space Operations Center (JSpOC) has identified a
predicted conjunction between JAS 2 (SCC# 24278) and SCC# 20899.
Primary Object: JAS 2 (SCC# 24278)
Secondary Object: SCC# 20899
Time of Closest Approach: 29 Aug 2010 07:14 UTC
Overall miss distance: 312 meters
Radial (dU) miss distance: 69 meters
In-Track (dV) miss distance: 149 meters
Cross-track (dW) miss distance: 265 meters
Primary Radial Error (U): 5 meters
Primary In-track Error (V): 73 meters
Primary Cross-track Error (W): 7 meters
Secondary Radial Error (U): 22 meters
Secondary In-track Error (V): 532 meters
Secondary Cross-track Error (W): 12 meters
Please reply to this message to acknowledge receipt of this close approach
notification.
It is possible to provide another estimate using owner/operator ephemeris
data. If the satellite operator is interested please have them reply to all
addresses listed in the Cc line. Email is the preferred method of
communication.
Thank you for your time and assistance. Please contact us if there are any
questions.
Very Respectfully,
JSpOC Orbital Protection Team
Joint Space Operations Center
Vandenberg Air Force Base, California USA
Comm: 1-805-605-3533
Fax: 1-805-605-3507
The United States Joint Space Operations Center (JSpOC) has identified a
predicted conjunction between JAS 2 (SCC# 24278) and SCC# 20899.
Primary Object: JAS 2 (SCC# 24278)
Secondary Object: SCC# 20899
Time of Closest Approach: 29 Aug 2010 07:14 UTC
Overall miss distance: 312 meters
Radial (dU) miss distance: 69 meters
In-Track (dV) miss distance: 149 meters
Cross-track (dW) miss distance: 265 meters
Primary Radial Error (U): 5 meters
Primary In-track Error (V): 73 meters
Primary Cross-track Error (W): 7 meters
Secondary Radial Error (U): 22 meters
Secondary In-track Error (V): 532 meters
Secondary Cross-track Error (W): 12 meters
Please reply to this message to acknowledge receipt of this close approach
notification.
It is possible to provide another estimate using owner/operator ephemeris
data. If the satellite operator is interested please have them reply to all
addresses listed in the Cc line. Email is the preferred method of
communication.
Thank you for your time and assistance. Please contact us if there are any
questions.
Very Respectfully,
JSpOC Orbital Protection Team
Joint Space Operations Center
Vandenberg Air Force Base, California USA
Comm: 1-805-605-3533
Fax: 1-805-605-3507
14年前の1996年8月17日、貴方は何をしていましたか?
この日の10時53分JSTにアマチュア衛星「JAS-2」がH-Ⅱロケット4号機により種子島宇宙センターより打ち上げられました。今日は「ふじ3号」の14回目の誕生日です。
この日の10時53分JSTにアマチュア衛星「JAS-2」がH-Ⅱロケット4号機により種子島宇宙センターより打ち上げられました。今日は「ふじ3号」の14回目の誕生日です。
私のSDR実験基板は14.06MHzの水晶を使用したマルチバンド仕様です。この水晶での7MHz帯の受信範囲は、7.0309~7.0525MHzで7.003MHzの「あゆ」さんの信号を受信することができません。14.00MHzの水晶に交換して7.003MHzを受信できるようにしてみました。交換後の受信周波数は、7.000~7.022MHzとなりました。
写真は、「あゆ」さんの電波を受信しているところ。
周波数軸(横)の目盛り左から、
7.0000MHz
7.0020MHz
7.0043MHz
7.0064MHz
7.0086MHz
7.0107MHz
7.0129MHz
7.0151MHz
7.0173MHz
7.0195MHz
7.0220MHz
写真は、「あゆ」さんの電波を受信しているところ。
周波数軸(横)の目盛り左から、
7.0000MHz
7.0020MHz
7.0043MHz
7.0064MHz
7.0086MHz
7.0107MHz
7.0129MHz
7.0151MHz
7.0173MHz
7.0195MHz
7.0220MHz