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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/TUTNJ2HY3H2AACDHEFZBN4BZERWOXJJF/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "TUTNJ2HY3H2AACDHEFZBN4BZERWOXJJF",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/ORSIUT6HVHKOEVQCCXAJBSTPXN5GFHRN/",
    "sender": {
        "address": "daniel (a) destevez.net",
        "mailman_id": "c2eac82b839b45f5a7d3b923c1721007",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/c2eac82b839b45f5a7d3b923c1721007/emails/"
    },
    "sender_name": "Dani EA4GPZ",
    "subject": "Re: [amsat-bb] Why 6 digit grid locator in Europe?",
    "date": "2016-02-19T17:31:27Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/V4UD6DP7Y2AYTJNSN3LMRT6AS72YUIQB/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "El 18/02/16 a las 23:06, Peter Goodhall escribió:\n\n> But I honestly don't feel that because on EME or M/S its just 4\n> characters that it should mean a sudden switch, for EME/MS the 4\n> letters have been decided based mainly on the digital modes which has\n> moved into HF with JT65 and JT9 before then apart from in a PSK brag\n> file you never really heard QRAs on HF.\n\nIn fact it's not the case that they use 4 digit locators on EME. 4 digit\nlocators are used in many JT modes just because there are some spare\nbits in the message format.\n\nI think that operators EME CW don't send locators ever. They have their\nown signal report system called TMO, where they send one of the letters\nT, M or O three times based on the amount of data they could copy.\n\nhttp://www.nitehawk.com/rasmit/g3sek_op_proc.pdf\n\nFor MS there is signal report system based on the length an strength of\nthe pings.\n\nhttp://www.g0che.co.uk/ms-procedure.php\n\nThe thing is that in the US 4 digit locators are normally used for\nterrestrial VHF and such instead of 6 digit locators. In fact, 6 digit\nlocators are almost unheard of and many operators won't know their 6\ndigit locator. I read recently a proposal of change to the rules of the\nIARU R1 50MHz contest regarding this matter. This contest currently\nrequires that 6 digit locators are exchanged over the air. However,\nthere is a problem that US operators will usually pass just 4 digit\nlocators and it's difficult explain and get their 6 digit locator under\nmarginal propagation conditions (the usual conditions in transatlantic\n50MHz).\n\n> I'm not sure how long the 6 characters has been a thing on the\n> satellites in Europe, but in the 4 years I've been on it's certainly\n> the norm.. like you say tons of times wasted on for example SO-50\n> having to wait for someone to stop calling over you or keying you out\n> that its easily 50% of the time lost just to people probably not being\n> able to hear the satellite in the first place.\n\nI don't know either, but it's only the case in Europe. In the US they\nnormally use 4 digit locators on satellites. I think that the difference\nin use comes from terrestrial VHF.\n\nThe thing is that perhaps we as a community of satellite operators\nshould decide what do we consider as a signal report or valid contact.\nAs you said, the standard signal report doesn't make much sense for\nsatellites. The report could be the locator, but I don't think this is\nsuch a good idea because it is not so easy to copy a 6 digit locator in\npoor conditions (in Europe the many different accents and languages\ndon't help either). The report should be easier to copy.\n\nI agree that in good conditions you can send back and forth 6 digit\nlocators real quick. However, in poor conditions, if you want to get\nthem copied properly, you will probably have to repeat it several times\nand perhaps request a readback.\n\nThe problem with any idea about changing the established customs is that\nthe satellite community is quite big and spread out. Most of the\noperators don't read amsat-bb. By comparison, the EME and MS communities\nare smaller and the guys there tend to frequent the same mailing lists\nand webs for skeds.\n\n> Just my thoughts anyway and many thanks for the squares while you've\n> been on from the UK.\n\nCould you get IO95? I hear that's quite a rare grid.\n\n73,\n\nDani EA4GPZ.\n\n",
    "attachments": []
}