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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/ZIIXZK6X7YTUPUELHFUAMS62UH6EIIXS/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "ZIIXZK6X7YTUPUELHFUAMS62UH6EIIXS", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/ZIIXZK6X7YTUPUELHFUAMS62UH6EIIXS/", "sender": { "address": "k0vty (a) juno.com", "mailman_id": "69d7c9bb693a4435bee46454dd0afb25", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/69d7c9bb693a4435bee46454dd0afb25/emails/" }, "sender_name": "Joe v Murray", "subject": "[amsat-bb] Re: Memories of OSCAR 10", "date": "2011-02-06T03:42:40Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "My My . all of these great memories of long ago makes me suggest \nI have to hark back to my first Q on a satellite.\nThat event that leaves you so high it takes a couple of day to join the\nrest of the human race.\nThat Q was after designing and constructing a 2 meter SSB transverter,\npreamp and antennas\nNow it needs to be said that living in NE in 1965 and getting the bug to\naccomplish this \nis with out elmers or help of commericial equipment .\nI point that out because NE was the last state I needed to work WAS years\nlater\nThe HB 2 mtr preamp was a 7077 ceramic that was sweet as it could be.\nThe HB 2 mtr transverter was a 6360 tube that also was a marvel back\nthen.\nNaturally I needed a SSB HF rig to drive the transverter and that was an\nHallicrafters HT-37\nOscar III had a 2 meter transponder with 50 KHz wide\nThe uplink was on 146 MHz and the down link was on 144 MHz .\nDuring these day getting information about Ham satellite activity in NE\nwas almost impossible\nWe were able to learn the time and longitude that the bird was next\ncrossing the equator.\nI took a school Globe, seperated the two halves of the globe, set the\nnorthern half\non a board so I could rotate the globe to a index on the board \nThat index was aligned with the longitude of the next pass .\nA wire also beginning at that index crossed over the globe to the correct\nlocation on the other side\nwhich represented the path about the globe for the bird.\nString knots tied to the wire at each location equaling about ten minutes\nflight represented time along the path.\n\nAll of this 1965 effort for a 18 day battery to run the Oscar III 2 Mtr\ntransponder.\n\nThen the newer birds each in it's own time with all the learning and\nenjoyment\nAlong came the French Mode S Arsene, as I recall there were 4 Hams in the\nUS that worked that bird\nStations in FL , CA, NY and NE \nShe was upside down and got to hot to last. \n\nThen the last HEO AO-40, \nOver 200 DXCC entities confirmed on satellite.\nAll but one zone (34) via satellite confirmed \nWAS # 109 \n\nEnjoyment I have had plenty. \nI have also paid my share into the fund to build and launch AO-40 \nIt was not cheap if you want what I wanted.\n\nThe above makes me old with the old junk out in the shack\n13 last Sept. a 40 minute , 108 MPH hail storm made 19 antennas in my\nback yard useless.\nMy insurance Co has already spent over 50 grand on my place without\ngetting into any Ham antennas.\nI am not sure I will match Dave or Dan's ability to wait for P3E and\nrebuild my earth station.\n\nI suggest that this is not one of those \"Build it and they will come\"\n\nTime will tell !\n\nJoe Murray K0VTY\nAmsat 860\n================ \nOn Sat, 05 Feb 2011 15:40:46 -0900 \"Edward R. Cole\" <[email protected]>\nwrites:\n> At 03:08 PM 2/5/2011, Bill Dzurilla wrote:\n> >I've been enjoying the posts regarding our last HEO satellite, \n> >AO-40. I was inactive while AO-40 was going strong, but the posts \n> \n> >brought back memories of our first HEO, OSCAR 10, my first \n> >experience with satellites until a couple of years ago. You can't \n> \n> >find much about the glory days of AO-10 on the web, but I remember \n> them well.\n> >\n> >Passes lasted for 8 hours. Always Q5 copy everywhere in the huge \n> >footprint, very little QRM or QRN. I worked over 100 countries \n> from \n> >1983-85, but never got enough cards for DXCC. My rig was a Yaesu \n> >FT-726R with a Mirage D-1010 amp. It was 70cm uplink, 2 meters \n> >downlink. I attached the antennas to a small mast on my chimney. \n> I \n> >had a surplus cavity bandpass filter that wiped away all the \n> >birdies; it was needed because I lived in EL49 in New Orleans. The \n> \n> >antennas were small crossed-yagis (KLM?), circularly polarized, on \n> \n> >separate booms. I can't recall the make or model. Also must have \n> \n> >had a mast-mounted preamp and an az-el rotator, but I can't \n> remember \n> >them. I got the tracking info from a program that ran on my \n> >Commodore 64 and printed it out on my Gorilla Banana printer.\n> >\n> >Those were halycon days, with AO-10 supposed to be just the \n> >beginning. The grand plan was to put up 3 linked ham sats in \n> >geosynchronous orbit, which would enable any ham to work any other \n> \n> >ham anywhere on the globe 24-7. Will we ever see anything like \n> that \n> >again? How did AO-10 compare with AO-40?\n> >\n> >There was a fire at my home and all my logs and QSL cards from \n> those \n> >days were lost. If anyone out there happens to have an old AO-10 \n> >QSL card from me, I'd sure appreciate a copy.\n> >\n> >73, Bill NZ5N\n> >\n> >\n> >\n> >_______________________________________________\n> >Sent via [email protected]. Opinions expressed are those of the \n> author.\n> >Not an AMSAT-NA member? Join now to support the amateur satellite \n> program!\n> >Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> \n> AO-10 in the mid-1980's was my first real satellite operation (I had \n> \n> been involved with AO-6). It was the basic mode-B linear \n> transponder. Great range and lots of DX. I worked some rare DX \n> that \n> was rare on HF standards. The hams I worked said they were tired of \n> \n> the pileups on HF and came up on AO-10 to enjoy some nice contacts.\n> \n> P3E inherits the legacy of AO-10 and AO-13, as it is very similar in \n> \n> what it is equipped to do. ARISSat-1 will be a precurser for what \n> P3E \n> would be without the high orbit.\n> \n> \n> \n> 73, Ed - KL7UW, WD2XSH/45\n> ======================================\n> BP40IQ 500 KHz - 10-GHz www.kl7uw.com\n> EME: 144-1.4kw*, 432-100w*, 1296-testing*, 3400-winter?\n> DUBUS Magazine USA Rep [email protected]\n> ======================================\n> *temp not in service \n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the \n> author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite \n> program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> \n \n____________________________________________________________\n$65/Hr Job - 25 Openings\nPart-Time job ($20-$65/hr). Requirements: Home Internet Access\nhttp://thirdpartyoffers.juno.com/TGL3141/4d4e1909dee0122f9cfst02vuc\n", "attachments": [] }