February 2008 - AMSAT-BB - mailman.amsat.org

Radio amateur calling protocol
by Dave Guimont 26 Feb '08

26 Feb '08

The answer to all of these ridiculous arguments on calling protocol is, of course, quit building FM voice 2 user satellites, like AO51. AO7, is what, 25 years old, none of those problems existed there, and still don't today. Blame those that encouraged and built AO51.... A lot of us voiced our disapproval at the time it was proposed, mostly for that very reason....and lost... Why was it built?? 73, Dave, WB6LLO dguimon1(a)san.rr.com Disagree: I learn.... Pulling for P3E...

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Re: Radio amateur calling protocol (easy Sats)
by Joe Krepps 26 Feb '08

26 Feb '08

Wake me up when we're done bashing AO-51....AGAIN...for the friggin' umpteenth time! I'm so tired of hearing it, I'm taking a nap! Joe WB3CFN <-an actual AMSAT member, sometimes wonders 'Why?'

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AO7 last pass
by w7lrd＠comcast.net 26 Feb '08

26 Feb '08

This last pass I was trying to work a station that was a couple of db above mental telepathy. If that was you drop me a note and we'll try it again. Might have been in Europe (grin). -- 73 Bob W7LRD AMSAT member 28498 Seattle

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Re: Radio amateur calling protocol (easy Sats)
by Bill Dzurilla 26 Feb '08

26 Feb '08

I share the frustration of everyone trying to work AO-51 and AO-27 on a busy weekend pass, but as a relative newbie I think the FM birds serve a purpose, in light of the huge cost difference between an FM only and an all-mode VHF/UHF rig. If it had not been so easy and inexpensive to work via AO-51, don't think I would have tried to work any sat. For me and probably many others, the good experiences on the FM sats led me to upgrade and work via AO-7 and VO-52, and I hope more like these are launched soon. Judging from the crowded state of the FM birds and the relative lack of activity on the sats with linear transponders, it seems that, for all their deficiencies, the FM birds are still a popular choice. Just need to keep teaching the need for brevity, clarity of speech, and proper power and antennas. 73, Bill NZ5N --- amsat-bb-request(a)amsat.org wrote: >>>The answer to all of these ridiculous arguments on calling protocol is, of course, quit building FM voice 2 user satellites, like AO51. AO7, is what, 25 years old, none of those problems existed there, and still don't today. Blame those that encouraged and built AO51.... A lot of us voiced our disapproval at the time it was proposed, mostly for that very reason....and lost... Why was it built?? ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

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RS0ISS-4 and RS0ISS-11
by Bob Cutter 26 Feb '08

26 Feb '08

What are the differences between these two? 73, Bob KI0G ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

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ARISS operation for Field Day 2008
by Robert L Lasso 26 Feb '08

26 Feb '08

what kind of operations can I expect for FD 2008 with ARISS for demo and QSO purposes? 73, Robert W6RQR

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Re: PcSat
by John Marranca, Jr 26 Feb '08

26 Feb '08

UISS....without question. It is THE most efficient and fastest way to digi through the APRS sats... And UISS in LAN mode is fantastic. John KB2HSH -- _______________________________ John Marranca, Jr PBX Technician/Shop Steward CWA Local 1122 BN Systems, Inc Orchard Park, NY (716)972-2006

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Re: need plans for 70 cm preamp
by G0MRF＠aol.com 26 Feb '08

26 Feb '08

In a message dated 26/02/2008 03:39:11 GMT Standard Time, rlasso(a)zianet.com writes: Need recommendations for plans for an easily constructed homebrew 70cm mast mount preamp with built in RF sense TR switch (VOX controlled). I will not be running more than 50 watts in New Mexico or possibly 100 watts in CA when I move there. thanks and 73, Robert W6RQR That's really tough Robert. Unless there is some sequencing going on inside your radio then any RF sensing circuit will mean that the relay contacts will be hot switched on transmit. A couple of seriesed limiting PIN diodes may help, but with 100W across them for a few 10s of milliseconds even that may not be enough to protect the Pre-amp. On the preamp side, the design that was published in the journal in August (2006?) works well and has a noise figure of 0.5dB and is a no tune design. Details are on g0mrf.freeserve.co.uk Thanks David

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Fw: Space Station
by w7lrd＠comcast.net 26 Feb '08

26 Feb '08

-- "if this were easy, everyone would be doing it" -------------- Forwarded Message: -------------- From: "six toes" <w6toz(a)comcast.net> To: <Todd.Parsons(a)faa.gov>, "Steve Szombathy, W7UDI" <w7udi(a)comcast.net>, "Rich Rohweder" <row999(a)verizon.net>, "Peter Dahl" <pd_fus(a)mac.com>, <Paul.Miyake(a)faa.gov>, "Nick Sutton" <n7qor(a)comcast.net>, "N7VOE Dan Hrehov" <daniel.w.hrehov(a)boeing.com>, "Mike Sterba" <cwo.usnr(a)verizon.net>, "Marty (DSL) Berg" <m.w.berg(a)att.net>, "Marina Zuetell" <Zuetell(a)comcast.net>, "Mark McAlvey w7lmr" <w7lmr(a)verizon.net>, "Jon WR7JM Marcinko" <jon(a)wr7jm.com>, "Jon Carter" <carterhere(a)centurytel.net>, "Jim HALL N7OET" <trains(a)fidalgo.net>, "Jim Deavel" <jim.ctr.deavel(a)faa.gov>, "Eric Hansen" <ewh33_pcb(a)hotmail.com>, "Ed Hammond" <67sled(a)comcast.net>, "Dick Stafford" <ADCSRWS2(a)msn.com>, "Dick Miles K7RNZ" <dick_ellie(a)wavecable.com>, "Chaput, John A CIV NAVFAC NW" <john.chaput(a)navy.mil>, "CARLOS M SMITH" <aa7sb(a)msn.com>, "Calvin .ctr. Best" <calvin.ctr.best(a)faa.gov>, "bob WOW Roesner" <roesy77(a)netzero.net>, "Bob Johnson" <W7LRD(a)comcast.net>, "bob Edwards" <n7hxx(a)wavecable.com>, "Bill Home Baker" <wmal ba(a)comcast.net>, "Barbara Hansen" <bah.moose.junction(a)comcast.net>, "ARNIS ANN B DELMAGE" <ak04ncm89(a)verizon.net>, "Arnie Svendsen" <astrucking(a)aol.com>, "Arne Hansen" <achoo(a)comcast.net>, "Andy Barrett" <andy4439(a)msn.com> Subject: Fw: Space Station Date: Tue, 26 Feb 2008 04:48:55 +0000 This is a good one Go to the URL and watch the video - who says we've lost our touch at engineering!!! RHH ----- Original Message ----- From: svsullivan To: Dennis Brotherton ; Ernie Shorb ; Gary-Eileen Shellenbarger ; Hugh Hall ; Bill Harris ; Bob Schweitzer ; Dick Vance ; Earl-Barbara Palmer ; Jeannie Svennungsen ; Nancy Williams ; Nelson Spohnheimer ; Paul Gilmore ; Roger Hansen ; Vic Zumbrunnen Sent: Monday, February 25, 2008 8:20 PM Subject: Space Station Prepare to be amazed! I was. If you wondered what they have built at the space station...have a look .... This is a great animation showing all the segments of the Space Station,the modules and the international partners that have helped create it. Pass along to your friends and family to show them that this is what we've been flying the Shuttle for the past several years! http://www.tietronix.com/anim/MoviePlayer.asp?myMovie=movies/assembly640x36…

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need plans for 70 cm preamp
by Robert L Lasso 25 Feb '08

25 Feb '08

Need recommendations for plans for an easily constructed homebrew 70cm mast mount preamp with built in RF sense TR switch (VOX controlled). I will not be running more than 50 watts in New Mexico or possibly 100 watts in CA when I move there. thanks and 73, Robert W6RQR

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