Category: Ham Satellite news

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Ham Satellite news

SO50

Hi all,
I listened to SO-50 again tonight – and the frequency changes were there again.

If you use SO-50 you must expect jumps of about 5 kHz up and down.So far it takes some time between the jumps which makes it easy to follow.

Tonight it happened during a QSO with 2E1EUB and we had the same experience.

After my report yesterday I received a couple of reports about the frequency jumping and it seems that it happens both when the satellite is in Sun and when it is in eclipse.
May be it has something to do with the loading (use) of the satellite.

Let us hope it is not a sign of yet another satellite going QRT.Use it as long as it is there 🙂
73 OZ1MY Ib

Klla: amsat

Categories
Ham Satellite news

ARRL EME 2003 resultat

K2TXB har gjort en fin samanstllning med bilder mm frn hstens stora EME test, en massa fina antenn arrangemang att titta p. http://www.eticomm.net/~russk2/eme/eme.htm .

Klla: www

Categories
Ham Satellite news

Körbara Analoga satelliter

Senaste tiden s har fljande satelliter rapporterats krbara.

AO7 (mest i mode B)
AO27
FO29
SO50

ISS har hrts p Packet

Klla: amsat

Categories
Ham Satellite news

Annual meeting

Annual meeting in Stockholm.

Categories
Ham Satellite news

AO-40 Update

Hej!

Det finns inte mycket att rapportera om AO40 men en av kontroll stationerna anser sig ha hrt ngot som kan tnkas vara en signal frn AO40.

ls nedan.

***************
Yes, we already thought about this idea.. but the thing
must be reproducable, which seems not to be the case
at the moment.. So we probably have to be more patient.

73s Peter DB2OS

William Leijenaar wrote:

> Hi AMSATs,
>
> Great to hear that at least some signals were heared
> from AO40.
>
> When IHU and the L-Band are working but not the TX
> completely, it is maybe possible to upload a small
> program that measures the battery voltage and sends
> the value back to earth in CW, by just switching
> on/off the TX…
>
> Its at least a small communication :o)
>
> Just an idea…
>
> 73 de LU/PE1RAH
> William in Buenos Aires
>

Klla: amsat

Categories
Ham Satellite news

Vissa livstecken…

Lser fljande p AMSAT-DLs hemsida:

Today during the period 0310 to 0320 UTC (orbit 1541) I observed the following.
Prior to issuing the command sequence we tune around the beacon frequency, taking note of the noise spectrum . No variance in amplitude detected, just clean white noise. At 0310, commenced sending a 12 block sequence, 3 * (Reset,Tx-Off,Reset,Tx-On).

At the completion of the sequence, again tuned around the beacon frequency, and noted a noise peak of 4 to 5 db, in the vicinity of expected beacon frequency. The width of this peak was about 5 kHz. Listened to it for about 15 seconds and then sent a Reset, Tx-Off command and the noise peak disappeared, approximately 2 seconds after the Tx-Off block was completed.

Completed my session with a number of Aux-Batt commands, but did not attempt the Tx again. Range was nominally 12000/15000 kilometres during command period. Was using my last calibrated uplink frequency.

This tends to suggest that the IHU and L Band Rx are operational. Bus voltage insufficient to open that damn relay. Considering SA=-72, the remaining cells are holding up well. Hope this makes your day, like it has mine.

Colin Hurst, VK5HI
for the AO-40 Command Team

Klla: AMSAT-DL