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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/S64EDXN7TDJV6CWSZUAFXXLYYI5H6VPH/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "S64EDXN7TDJV6CWSZUAFXXLYYI5H6VPH",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/S64EDXN7TDJV6CWSZUAFXXLYYI5H6VPH/?format=api",
    "sender": {
        "address": "andythomasmail (a) yahoo.co.uk",
        "mailman_id": "709ebb0f15974ce9bdd1d10b52d51389",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/709ebb0f15974ce9bdd1d10b52d51389/emails/?format=api"
    },
    "sender_name": "andy thomas",
    "subject": "[amsat-bb] Observations of arissat signal at 52.48 degrees North",
    "date": "2011-09-20T17:57:35Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Guys and gals\n\nI have a modest setup here observing Arissat-1 with a yagi fixed in azimuth and elevation and automatically reording. The sstv signal is detectable without a one transitor preamp but only reproducable with it.  The most important thing about the \nsetup is the orientation of the receive antenna. It is pointing at \napproximately 210 degrees and is fixed.\n\nYou might ask why not set it at the aizmuth of the maximum elevation, which is what I always do for \ntelemetry cubesats. First of all my answer is that I get \nbetter pictures at this azimuth. Secondly as I said to Colin G1IVG I think I know \nwhy.\n\nIf you go to the front page of my \nwebsite http://www.andythomas.eu and scroll down you'll see a sequence \nof photos I took of the ISS as seen in my telescope. I was surprised how the attitude of the spacecraft changed as it approached 51.6 degrees \n(the orbital inclination and therefore the maximum latitude \nsubsatellite), then went away relatively southbound (and of course \neastbound). We are at 52.48 degrees North. My thesis is that Arissat-11, which is on more or less the same orbital inclnation, exhibits the same change in attitude as it reaches 51.6 latitude, relative to us, so the \nantenna is not shielded and therefore the signal level peaks. As the signal level is marginal I can detect this slight improvement.\n\n\nI've sent a copy of this to theWelland Valley ARS for comments and would appreciate your comments too.\n\n73 de andy g0sfj\n",
    "attachments": []
}