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Satellites - Revision history
2026-05-17T04:21:21Z
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Admin at 08:08, 21 March 2025
2025-03-21T08:08:18Z
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<p><b>New page</b></p><div>Amateur Radio FM Satellites<br />
<br />
<br />
===Active:===<br />
<br />
{| style="background-color:#f9f9f9;" cellpadding="10" cellspacing="0" border="1"<br />
|style="background-color:#f2f2f2;"|<b>NORAD</b><br />
|style="background-color:#f2f2f2;"|<b>Status</b><br />
|style="background-color:#f2f2f2;"|<b>Mode(s)</b><br />
|style="background-color:#f2f2f2;"|<b>Name</b><br />
|style="background-color:#f2f2f2;"|<b>Downlink</b><br />
|style="background-color:#f2f2f2;"|<b>Uplink</b><br />
|style="background-color:#f2f2f2;"|<b>URL(s)</b><br />
|style="background-color:#f2f2f2;"|<b>Details</b><br />
|-<br />
|27607<br />
|style="color:green"|Active<br />
|voice<br />
|SO-50<br />
|436.795<br />
|145.850 (+67Hz)<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=27607 HA] [https://www.n2yo.com/satellite/?s=27607#results N2YO]<br />
|aka Saudisat 1C Oscar, use 145.850 +74.4 Hz to 'unlock' the repeater for 10 mins (if no activity)<br />
|-<br />
|43017<br />
|style="color:green"|Active<br />
|voice<br />
|AO-91<br />
|145.960<br />
|435.250 (+67Hz)<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=43017 HA] [https://www.n2yo.com/satellite/?s=43017 N2YO]<br />
|aka FOX-1B, RADFXSAT<br />
|-<br />
|43678<br />
|style="color:green"|Active<br />
|CW/1k2/AFSK<br />
|PO-101<br />
|145.900<br />
|437.500<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=43678 HA] [https://www.n2yo.com/satellite/?s=43678#results N2YO]<br />
|aka DIWATA 2B, callsign D1W2PH<br />
|-<br />
|22825<br />
|style="color:green"|Active<br />
|AFSK<br />
|AO-27<br />
|436.795<br />
|145.850<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=22825 HA] [https://www.n2yo.com/satellite/?s=22825#results N2YO]<br />
|aka Eyesat-1<br />
|-<br />
|40908<br />
|style="color:green"|Active<br />
|AFSK/GFSK<br />
|Lilacsat-2<br />
|144.390<br />
|144.350<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=40908 HA] [https://www.n2yo.com/satellite/?s=40908#results N2YO]<br />
|beacon at 437.200<br />
|}<br />
<br />
<br />
<br />
===Inactive:===<br />
<br />
{| style="background-color:#f9f9f9;" cellpadding="10" cellspacing="0" border="1"<br />
|style="background-color:#f2f2f2;"|<b>NORAD</b><br />
|style="background-color:#f2f2f2;"|<b>Status</b><br />
|style="background-color:#f2f2f2;"|<b>Mode(s)</b><br />
|style="background-color:#f2f2f2;"|<b>Name</b><br />
|style="background-color:#f2f2f2;"|<b>Downlink</b><br />
|style="background-color:#f2f2f2;"|<b>Uplink</b><br />
|style="background-color:#f2f2f2;"|<b>URL(s)</b><br />
|style="background-color:#f2f2f2;"|<b>Details</b><br />
|-<br />
|51080<br />
|style="color:red"|Reentered<br />
|voice,FSK<br />
|SO-115<br />
|436.888<br />
|145.925<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=51080 HA] [https://www.n2yo.com/satellite/?s=51080#results N2YO]<br />
|aka HADES, reentered<br />
|-<br />
|28375<br />
|style="color:red"|Inactive<br />
|voice<br />
|AO-51<br />
|435<br />
|144<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=28375 HA] [https://www.n2yo.com/satellite/?s=28375#results N2YO]<br />
|aka AMSAT ECHO, transponder stopped in Nov 2011 due to battery failure<br />
|-<br />
|43137<br />
|style="color:red"|Reentered<br />
|voice<br />
|AO-92<br />
|145.880<br />
|435.350 (+67Hz)<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=43137 HA] [https://www.n2yo.com/satellite/?s=43137#results N2YO]<br />
|aka FOX-1D, reentered<br />
|-<br />
|40967<br />
|style="color:red"|Inactive<br />
|voice<br />
|AO-85<br />
|145.980<br />
|435.182<br />
|[https://www.heavens-above.com/satinfo.aspx?satid=40967 HA] [https://www.n2yo.com/satellite/?s=40967#results N2YO]<br />
|aka FOX-1A, problem with uplink, 5 Watts often not enough<br />
|}<br />
<br />
<br />
<br />
(Status was last checked on 2025-03-16 using information available from the various satellite organisations, this is not indicative whether you'll be able to make a successful connection to it)<br />
<br />
<br />
===Frequency offset===<br />
Add or subtract about 15kHz to compensate for the doppler effect<br />
<br />
offset is more pronounced on higher frequencies, so with 70cm uplinks you need to be fairly precise with your frequencies. In these cases, a duplex radio (listen while you transmit) is desirable to confirm you can be heard.<br />
<br />
<br />
Example frequencies for working SO-50<br />
<br />
<pre><br />
RX downlink TX uplink Details<br />
AOS 145.850 +74.4Hz Resets 10-minute timer<br />
436.805 145.850 +67.0Hz <br />
436.800 145.850 +67.0Hz <br />
max alt 436.795 145.850 +67.0Hz <br />
436.790 145.850 +67.0Hz <br />
LOS 436.785 145.850 +67.0Hz <br />
<br />
</pre><br />
<br />
<br />
<br />
Example frequencies for working AO-91<br />
<br />
<pre><br />
RX downlink TX uplink Details<br />
AOS 145.960 435.240 +67.0Hz<br />
145.960 435.245 +67.0Hz <br />
max alt 145.960 435.250 +67.0Hz<br />
145.960 435.255 +67.0Hz<br />
LOS 145.960 435.260 +67.0Hz<br />
<br />
</pre></div>
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