Email Detail

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WQKHLBUSFOL3R5UJD43OAJ7WQXEQUYBX/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "CAEahN0+2=A_KKhEjQhCdt6HWrnuSaQiczFDUfqpHxUeqWNRo0w@mail.gmail.com",
    "message_id_hash": "WQKHLBUSFOL3R5UJD43OAJ7WQXEQUYBX",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/ZSHYZ2ZB6TVP52ZQ4G53YHXNBD7REYWL/?format=api",
    "sender": {
        "address": "ai7rogerroger (a) gmail.com",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Roger - W7TZ",
    "subject": "Re: [amsat-bb] Sequencer advice needed",
    "date": "2020-03-06T16:45:33Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ZSHYZ2ZB6TVP52ZQ4G53YHXNBD7REYWL/?format=api",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ZS7FN4ABXSLUU34ZDU7BMCQ6ZZL52U3S/?format=api"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I've used the W6PQL (built and tested) unit for 6m and 1.25m very\nsuccessfully for several years.\n\n73, Roger\nW7TZ\nCN83ia\n\n\nOn Fri, Mar 6, 2020 at 4:26 AM Hans BX2ABT via AMSAT-BB <[email protected]>\nwrote:\n\n> I haven't worked with sequencers before as all my LNAs and SDRs have\n> been used for receive only. But now that I have a Airspy HF+ I want to\n> get going with APRS on 145.825 and use this on HF as well. So receiving\n> with the SDR, transmitting with a transceiver. I also want to experiment\n> with LNAs, so another reason to use a sequencer. I did a lot of\n> googling, learned some, but still not sure what I need to look out for\n> when buying one. I prefer a kit or assembled product as a first try.\n>\n> Below is a list of what I found on line. From a distance the VHF Design\n> is cheap and has detailed information, so I am leaning towards\n> purchasing that. Later, for a DIY project, I like the OZ1BXM design\n> because it uses an Arduino for control, which brings some flexiblity.\n>\n> Can you all please give me some input on what to look for in sequencers\n> or comment on the choices below? Any other kits/assemblies I have missed\n> and should be considered? Cheers,\n>\n> Hans\n> BX2ABT\n>\n>\n>\n> Minikits from Austalia's EME166: AU$45 (=US$27.75)\n>\n> https://www.minikits.com.au/Sequencer?search=Sequencer\n>\n> This is the only one that indicates a frequency range: 28 to 500 MHz, so\n> this will cover the 2m band, but not HF. Also RF input is 4 Watts\n> maximum, which seems low, so how is this usable?\n>\n>\n>\n> W6PQL's sequencer (US$20 for kit, US$37.50 assembled)\n>\n> http://www.w6pql.com/relay_sequencer.htm\n>\n> No info on frequency range or input power. Not much info on the website.\n>\n>\n>\n> VHF Design (US$20 assembled)\n>\n> https://vhfdesign.com/other/sequencer-pcb.html\n>\n> Website has good information, diagrams and PCB layouts. Again no info on\n> frequency range, etc.\n>\n>\n>\n> Downeast Microwave (US$25~80)\n>\n>\n> https://www.downeastmicrowave.com/searchresults.asp?Search=sequencer&Submit=\n>\n> 3 and 4 step sequencers both in solid state and with relays based on a\n> design by W5LUA. Which better: solid state or relays? Little indept info.\n>\n>\n>\n> G3SEK - (DIY)\n>\n> http://www.ifwtech.co.uk/g3sek/dx-book/sequencer/\n>\n> Basically only a schematic, so need to build it from the ground up.\n>\n>\n>\n> OZ1BXM (DIY)\n>\n> http://oz1bxm.dk/seq/sequencer.html\n>\n> Another DIY project based on the W6PLQ design. This uses an Arduino as\n> MCU, so should be flexible. No kits and no PCB designs.\n>\n>\n>\n> SM2CEW (DIY)\n>\n> http://sm2cew.com/sequencer/sequencer.html\n>\n> This one looks very simple to make with very few components. It was\n> designed for HF, so will it work on VHF?\n>\n>\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb\n>\n",
    "attachments": []
}