CUBESAT XI-IV
Mission information
Name
CUBESAT XI-IV
Alternate Names
CO-57
Satellite ID
KZUI-4275-4790-4963-1514
NORAD ID
27848
Website
https://www.space.t.u-tokyo.ac.jp/
Country of Origin

Japan

Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
CUBESAT XI-IV
Mission timeline
Launch Date
2003-06-30T00:00:00+00:00
Description

Cubesat XI-IV is Japanese 1U Cubesat which is also known as CO-57 or Sai Four. It has a CW beacon using the callsign JQ1YCW.

Mode U CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436847500
Mode U AFSK TLM
Type
Transmitter
Downlink Mode
AFSK
Downlink Frequency
437490000
Baud
1200
PE0SAT - CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436848700
Baud
15
Most Recent Observers (last 24h)
Observer Latest Data
PV8DX-FJ92pt 2025-11-24 10:56:26 UTC
IAR-GS-GF05wd 2025-11-24 09:26:10 UTC
DEX-X-JO20ul 2025-11-24 07:18:44 UTC
GAO UHF-JN87hg 2025-11-24 05:46:08 UTC
Drachten-JO33bc 2025-11-23 17:33:46 UTC
Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
Decoder: CO-57
Script Name
co57
Decoder Fields
Click here
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Space-Track.org
TLE Updated
2025-11-24 09:15:12 UTC
TLE Set
1 27848U 03031J   25327.99981885  .00000360  00000-0  17755-3 0  9999
2 27848 98.6797 334.0214 0010607 80.7138 279.5240 14.23467709162185
Satellite Suggestion History

Transmitter Suggestion History