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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/I3EZCAIFWTBTG4FSG3ASKFUNLZLFTZJJ/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "I3EZCAIFWTBTG4FSG3ASKFUNLZLFTZJJ",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/5LK2VVTTIY6M5ZH35HWBBO7PEQT3GLCC/?format=api",
    "sender": {
        "address": "vk4tec (a) tech-software.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Andrew Rich",
    "subject": "Re: [amsat-bb] AirSpy Mini VS Funcube Dongle",
    "date": "2017-10-23T20:00:42Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7QRME5ETFHBUJ4EXCUUHHM6TSR444GJ2/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "The fun cube dongle wins hands down on dynamic range and sensitivity what it lacks in bandwidth\n\nI just wish it would work like my airspy mini\n\nAndrew \n\nSent from my iPhone\n\n> On 24 Oct 2017, at 5:58 am, Paul Andrews <[email protected]> wrote:\n> \n> AMSAT Community,\n> \n> I have the same problem and would really appreciate any information on\n> a fix.    I have read about the origin of the DC Offset problem but I\n> don't see any way to correct the problem.\n> \n> I'm a happy owner of three (3) Funcube Dongles.  One of the best\n> values in SDR equipment.\n> \n> 73 - Paul - W2HRO\n> \n> \n> \n>> On Mon, Oct 23, 2017 at 7:53 AM,  <[email protected]> wrote:\n>> How can I get rid of this DC spike in the Funcube Dongle ?\n>> \n>> Andrew\n>> \n>> -----Original Message-----\n>> From: AMSAT-BB [mailto:[email protected]] On Behalf Of\n>> [email protected]\n>> Sent: Monday, 23 October 2017 9:13 PM\n>> To: AMSAT <[email protected]>\n>> Cc: 'Australian APRS Users' <[email protected]>\n>> Subject: [amsat-bb] AirSpy Mini VS Funcube Dongle\n>> \n>> Signal Comparison of AirSpy Mini vs Funcube Dongle PRO+\n>> \n>> \n>> \n>> 432.440 MHz\n>> \n>> \n>> \n>> AirSpy Mini SDR 3/6 MHz\n>> \n>> \n>> \n>> IF = 9\n>> \n>> Mixer = Max 15\n>> \n>> LNA = Max 15\n>> \n>> \n>> \n>> Noise Floor -80 db\n>> \n>> Signal Peak -50 db\n>> \n>> S/N = 30dB\n>> \n>> \n>> \n>> Funcube Dongle Pro + 192 KHz\n>> \n>> \n>> \n>> LNA = Yes\n>> \n>> Mixer = Yes\n>> \n>> IF Gain = 11\n>> \n>> \n>> \n>> Noise Floor -80 dB\n>> \n>> Signal Peak = -35 dB\n>> \n>> S/N = 45 db\n>> \n>> \n>> \n>> RTL-SDR Dongle 2 MHz\n>> \n>> \n>> \n>> Did not compare at all - Noise Floor -50 dB / Bad S/N\n>> \n>> \n>> \n>> HackRF\n>> \n>> \n>> \n>> Did not compare - was more a GNUradio Tool\n>> \n>> \n>> \n>> The Funcube Dongle was 15 dB better than the AirSpy Mini\n>> \n>> \n>> \n>> But remember Fincude SBR is 192 kHz and AirSpy Mini is 3 or 6 MHz\n>> \n>> \n>> \n>> Best: Funcube Dongle Pro +\n>> \n>> \n>> \n>> Andrew\n>> \n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available to all\n>> interested persons worldwide without requiring membership. Opinions\n>> expressed are solely those of the author, and do not reflect the official\n>> views of AMSAT-NA.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>> \n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>> to all interested persons worldwide without requiring membership. Opinions expressed\n>> are solely those of the author, and do not reflect the official views of AMSAT-NA.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n\n",
    "attachments": []
}