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Peter Miles
Northam, Western Australia
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COMSATBw-1
COMSATBw-1 Background and technical
overview.
HOME >
OPERATIONAL
> MODES
& FREQUENCIES > SATELLITES
- RADIO TARGETS >
COMSATBw-1 provides the Bundeswehr with secure satellite communications for forces deployed away from Germany. The system supports:
voice communications
IP/data communications
video and other information
communications between deployed units and Germany
communications during exercises and operations
NATO/allied operational connectivity
Pirate activity has been reported on COMSATBw-1, although it is much less consistently documented than the well-known pirate activity on the older U.S. FLTSATCOM/UFO satellites.
Historical monitoring reports specifically identify COMSATBw-1 at 63°E as carrying unauthorized broadcasts. One report from 2010 noted that the 253.750 MHz transponder was carrying an Asian wideband-FM radio station.
Details
| Satellite: |
ComsatBW-1 |
| Norad ID: |
35943 |
| Operator: |
German military |
| Status: |
Operational
over the Indian Ocean. |
| Frequency Range: |
243 -
259 MHz VHF Down Link
X Band: 7.25–7.75 GHz
|
| Mode: |
FM |
| Altitude [km]: |
35800
km |
| Orbital position |
Longitude:
63° |
| Tracking: |
https://www.n2yo.com/?s=35943&live=1 |
Channel
confirmation was achieved by monitoring the channel frequency for
consistency with the band plan, verifying the bandwidth and antenna
targeting to assess the SNR (signal-to-noise ratio).
|
|
Bandwidth |
Status |
| 243.625 MHz |
25kHz |
Confirmed
(25kHz) 26 Sept, 2026 |
| 251.775 MHz |
25kHz |
|
| 254.775 MHz |
25kHz |
|
| 255.450 MHz |
25kHz |
|
| 259.250 MHz |
25kHz |
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Reception Reports
References
TOP
OF PAGE
Page initiated 25 September, 2026
Page
last revised 26 September, 2026
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Space Weather
https://www.swpc.noaa.gov/
|
James
Chadwick born 20 Oct 1891
Was
a British physicist who discovered the neutron in 1932,
revolutionising our understanding of the atomic nucleus and paving
the way for major advances in nuclear physics. He won the 1935
Nobel Prize in Physics.
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Notice Board
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VK6YSF JS8Call and
Olivia 8/250 operations.
Current activity is generally
focused - though not restricted to - JS8Call operations on the 20,
40m and 80m bands.
Olivia 8/250 is used occasionally on the 20m band.
Proposed
band and mode activity
is often communicated on HamSpots: https://hamspots.net/js8/
or my profile on
X: https://x.com/vk6ysf97230
.
Post
date: 14 October 2026
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Local
Repeaters
Repeaters Page Updated
- Expanded and refreshed information on VHF and UHF repeaters across Western Australia's Central Coast, Perth, the Avon Valley, and the Peel region. New AllStar Link information has also been added, including linked repeater details and
gateway information across the State.
Repeaters
details:
https://vk6ysf.com/local_repeaters.htm
AllStar Link notes:
https://vk6ysf.com/allstar_notes-20260703.htm
Post
date: 14 October 2026
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Western Australian SSTV net
Popular
Western Australian SSTV net for both digital and anolog SSTV.
Generally
found at 7214.0kHz LSB every afternoon from 08:00 UTC (4:00pm WST)
For more
details: https://www.wasstv.net/wasstv.net/index.html
Post
date: 8 December 2025
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VK6MJM LF (136kHz) and MF (474kHz) Beacon
VK6MJM is a LF/MF station
located in Manjimup, Western Australia.
Common Mode: FST4W 300 (Similar to
WSPR)
Note:
other modes and sub-modes may be used.
Station details were presented by
Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter
Hall VK6HP at PerthTech
QRZ Page: VK6MJM
on QRZ.com
Post
date: 10 March 2025
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