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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/KPNST6WWY36A63BRHFR4VWZEZWIAOXKR/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "KPNST6WWY36A63BRHFR4VWZEZWIAOXKR",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/K4F6TX6YIPUXNV2YPJL2VPQDBTAOJMKF/?format=api",
    "sender": {
        "address": "ka3hsw (a) att.net",
        "mailman_id": "afface7d7e8049fda539552165bdde78",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/afface7d7e8049fda539552165bdde78/emails/?format=api"
    },
    "sender_name": "George Henry",
    "subject": "[amsat-bb] Re: Request for help with satellite capable old rig ECHO\t70 by KLM",
    "date": "2012-07-20T17:05:22Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/K4F6TX6YIPUXNV2YPJL2VPQDBTAOJMKF/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I used to have an Echo 70, and may still have the documentation on my home \ncomputer.  It is a SSB/CW rig, and if I recall correctly, the 435 segment can be \nmoved  to cover the satellite band by changing a single crystal.\n\n\nGeorge, KA3HSW\n\n\n\n----- Original Message ----\n> From: Prof. Arnaldo Coro Antich <[email protected]>\n> To: [email protected]\n> Sent: Fri, July 20, 2012 11:42:17 AM\n> Subject: [amsat-bb] Re: Request for help with satellite capable old rig ECHO 70 \n>by KLM\n> \n> Dear amigos :\n> I am new to this list. My very good friend CO6CBF Hector asked  me to make\n> a comeback into the ham satellites world.\n> I found an ECHO 70  KLM transceiver that was in bad shape, but that could\n> be repaired. Now it is  receiving , but on transmit the power is only 1 Watt.\n> The receive sensitivity  is not great, but enough for Hector to make a two\n> way contact with it...  Hector has a very good 70 cms band antenna system\n> that really helped.\n> The  70 cms signal level at the input of the first of two output filters is\n> 10  Watts, measured with professional test instruments, but after the\n> filters  there is only 1 Watt.\n> I suggested to Hector that he blew hot air over the  ceramic trimmers\n> of the two filters in order to remove humidity ...\n> It  worked on one of the filters... now there is good power output\n> on the 435  megaHertz segment , but 432 megaHertz is still at the\n> low power output  level.\n> FYI, we are not authorized to operate on the 432 megaHertz  segment\n> used by the Oscar 7 AO7 ancient satellite... but do have  permission\n> to operate on the 435 megaHertz segment that other satellites  use.\n> Any information about the ECHO 70 KLM transceiver that can be  found\n> will be most useful, as once the rig is in good working conditions  it\n> will be used frequently from my EL83td grid square location in  downtown\n> Havana, and possibly by mini dx satellite expeditions to other  nearby\n> grid squares too.\n> If the files that contain the information about  the ECHO 70 KLM rig\n> are large, please send them to:\n> arnaldo.coro at gmail  dot com\n> \n> Thanks in advance for your help and hope to make many new  friends\n> in my return to the amateur satellites world after many years\n> of  absence * I am from the days of Oscar 7, RS 10 and RS 12 and\n> RS 15 *  !!!!\n> \n> 73 and DX\n> Arnie  Coro\n> CO2KK\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are  those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur  satellite program!\n> Subscription settings:  http://amsat.org/mailman/listinfo/amsat-bb\n> \n",
    "attachments": []
}