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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IIPO3HIGQCTNTLLJSEUESS7Q5UESWZU7/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "IIPO3HIGQCTNTLLJSEUESS7Q5UESWZU7",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/IIPO3HIGQCTNTLLJSEUESS7Q5UESWZU7/",
    "sender": {
        "address": "pedro (a) dutrasousa.name",
        "mailman_id": "34c679918eec4d078abc3edf1f474373",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/34c679918eec4d078abc3edf1f474373/emails/"
    },
    "sender_name": "Pedro Sousa",
    "subject": "[amsat-bb] HM58 Christmas Op + Considerations",
    "date": "2016-12-26T18:15:50Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi All,\n\nFirst of all, thank you all for the QSOs on my trip to HM58. Being a\nrare grid these days, I've done my best to keep up to you all. My\ninitial setup was a FT-857 and a portable home made V/U yagi. Eventually\nmy brother, CU7BC, lend me his TS2000 so I got upgraded to full-duplex.\nIt helped a lot, but not being computer assisted I was still floating\naround the passband. The problems I face with my home made yagi were far\nfrom over, but still we made it.\n\nI've uploaded all QSOs as CU2ZG to LoTW and eQSL. The accurate grid was\nHM58qm, and if you want a more accurate location, please look into\nQRZ.com for CU7BC, my brother. All QSOs were established from his lawn.\nThose wishing for a paper QSL please let me know. I've logged the\nstations (below), so if I missed any please let me know - I took all\ncallsigns and times from my external recordings.\nEB1AO, CT3FM, G7SVF, F0DIH, CU3EQ, KB1RVT, KO4MA, HI8KW, WB8RJY, N1AIA,\nN8IUP, K8YSE, F4DXV, DG1EA, F4EJW, KK4FEM, YV4DJY, K4FEG, N8HM.\n\nI couldn't pass this opportunity without adding a remark about over-power.\n\nBeing in the middle of nowhere I get to operate satellites when no one\nelse is on them, while those footprints are entirely over the ocean.\nHaving the full available power to myself is a great opportunity to\ncheck theories, antennas and setups. Also great to check on satellite's\nhealth, and all those other things only possible where urban noise is\nvirtually zero. I remember that at the AMSAT Symposium Clayton, W5PFG,\nwas shouting a quiz at us, and one of the questions was about APRS\nsatellites. He said that NO-44 digipeater was not entirely healthy, to\nwhich I objected saying that if you find yourself alone on the footprint\nyou'd find that this particular satellite is still alive.\n\nHaving this said, there was no way I couldn't notice that there are some\nstations, many (according to my standards), operating way too much power\non linear satellites.\n\nWhen the satellite's footprint is over water I'm expecting no one but me\nor a couple of station where island are seen. Being on an announced grid\nexpedition, 10kHz from the center frequency, I'd expect that people\nwould come on looking for me, or at least show up in an orderly fashion.\nI was totally wrong.\nOnce the footprint hits the USA I get flooded by people calling CQ,\nalmost randomly - \"is this frequency in use\" still applies for\nsatellites? - More than half of them are using so much power that now I\ncan barely hear myself on the downlink. It reminded me of CQ contests\nwhere you must squeeze yourself into a \"safe\" spot in the spectrum. My\nbest solution was to move away to some 20kHz from the center leaving my\nskeds alone and looking around for me. Some never made it. Those\nfollowing me on Twitter found an angry twit of mine saying that \"this is\nnot HF\".\nThis past year using an omni antenna at my home station had me find some\npasses where my downlink was nowhere to be found. I'm tempted, now, to\nsay that the problem was desense caused by over-power from other stations.\n\nPlease don't take this as a problem existing only in North America. I\ngot the same thing on European passes. I'm sure it happens all over the\nWorld.\n\nThe passband is a limited resource. The satellite is not infinite. Power\nis not infinite. Use it wisely.\n\nThank you All for this Christmas op. It was great talking to friends again.\n\n73 de CU2ZG\nPedro HM77fr (HM58qm on this op)\n\n---\nEste e-mail foi verificado em termos de vírus pelo software antivírus Avast.\nhttps://www.avast.com/antivirus\n\n\n-- \nThis message has been scanned for viruses and\ndangerous content by MailScanner, and is\nbelieved to be clean.\n\n",
    "attachments": []
}