Heading to the Desert RATS ham Fest tomorrow? If you want a new Arrow II sat antenna with duplexer for twenty bucks off normal HRO price, contact me ASAP. Only two available at this discount.
Clint, K6LCS 909-241-7666 Sent from my iPod. On Jan 29, 2010, at 12:00, [email protected] wrote: > Send AMSAT-BB mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://amsat.org/mailman/listinfo/amsat-bb > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of AMSAT-BB digest..." > > > Today's Topics: > > 1. Re: A0-27 on Sat the 30th (Clint Bradford) > 2. Re: A0-27 on Sat the 30th (Patrick STODDARD (WD9EWK/VA7EWK)) > 3. FO-29 (David - KG4ZLB) > 4. Re: Heard on FO-29 (i8cvs) > 5. Re: FO-29 ([email protected]) > 6. HO-68 Schedule - 01-07 Feb 2010 (Alan Kung) > 7. Re: HO-68 Schedule - 01-07 Feb 2010 (Peter Scheller) > 8. Re: HO-68 29-01 1320utc (Pedro A. Perez) > 9. Re: [Mw] Satellite to carry Amateur Radio 5840.00 > MHztelemetry beacon (Stephen Hicks, N5AC) > 10. DK7ZB 435MHz aerial question (Phil) > 11. updated pseudo moon keps (Bob DeVarney W1ICW) > 12. Re: DK7ZB 435MHz aerial question (Stan, W1LE) > 13. ND9M Road Trip Update #3 ([email protected]) > 14. More great FO-29 passes ([email protected]) > 15. UX-14 (Jim) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 28 Jan 2010 13:14:28 -0800 > From: Clint Bradford <[email protected]> > Subject: [amsat-bb] Re: A0-27 on Sat the 30th > To: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > PATRICK - ONE OF THE HARDEST WORKIN' AMSAT-TERS>> ... I will have a > demonstration using the AO-27 satellite just after 2.00pm ... > > I am showing a pass at 1:01PM Pacific - is that the same pass, > Patrick? > > I will be working it at the Desert RATS HamFest in Palm Springs. > > Clint, K6LCS > > > > > > ------------------------------ > > Message: 2 > Date: Thu, 28 Jan 2010 16:52:28 -0700 > From: "Patrick STODDARD (WD9EWK/VA7EWK)" <[email protected]> > Subject: [amsat-bb] Re: A0-27 on Sat the 30th > To: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > Clint, > >> I am showing a pass at 1:01PM Pacific - is that the same pass, >> Patrick? > > That will be the same pass. I think the software predicts the start > of the 7- > minute repeater time around 6 minutes past the hour, and I will be on > as KM7CC. > >> I will be working it at the Desert RATS HamFest in Palm Springs. > > Hope to hear you on Saturday. > > 73! > > > > > > Patrick WD9EWK/VA7EWK > http://www.wd9ewk.net/ > > > ------------------------------ > > Message: 3 > Date: Thu, 28 Jan 2010 19:53:51 -0500 > From: David - KG4ZLB <[email protected]> > Subject: [amsat-bb] FO-29 > To: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > So nice to hear FO-29 booming again on this last pass at 00:46, really > strong and loud - congrats to the team on getting this one back in > shape, very much appreciated! > > And hi to VE4EMU who obliged me with a contact although I lost you > completely after the exchange! > > A couple of others on as well! > > -- > David > KG4ZLB > www.kg4zlb.com > > > ------------------------------ > > Message: 4 > Date: Fri, 29 Jan 2010 02:07:27 +0100 > From: "i8cvs" <[email protected]> > Subject: [amsat-bb] Re: Heard on FO-29 > To: "AMSAT-BB" <[email protected]>, "Pierre van Deventer" > <[email protected]>, "Hal Lund ZS6WB" > <[email protected]>, "Mineo > Wakita" <[email protected]> > Cc: [email protected], I6IBE Ivo <[email protected]>, > Marco Niccolini IW5EJM <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > ----- Original Message ----- > From: "Hal Lund ZS6WB" <[email protected]> > To: "I8CVS Dom" <[email protected]> > Sent: Thursday, January 28, 2010 7:59 AM > Subject: Heard on FO-29 > >> Hello Dom >> >> I just wanted to let you know that I heard you calling this morning >> on >> FO-29 at 0615 utc. You were on CW on a downlink of about 435.840 >> MHz. You >> were heard for several minutes and I copied your call distinctly >> several >> times. > >> You were probably transmitting on AO-7 at the time as AO-7 and >> FO-29 were >> very close together but AO-7 was just below a ridge to the west of >> me and >> I could not hear it directly at that time. > >> We could almost make it on AO-7 if my station wasn't sitting in a >> bit of a >> hole. >> >> It appears that FO-29 has been operational for several hours >> continuously >> now so that looks very promising. >> >> 73 - Hal ZS6WB >> >> Pretoria (KG44ee) >> > > Hello Hal, ZS6WB and All on the List > > Tank you very much for the above important information and I will > try to > explain you what was really happening this night/morning on day 28 jan > at 06:15 UTC > > Infact during orbit 61091 at 06:15 UTC I was transmitting to AO-07 > around > 432.158 MHz searching to be translated exactly on 145.940 MHz at the > exact > moment in wich AO-7 was at the very LOS for me with less than 0.3? > elevation > on South at the end of the descending orbit 61091 from North to > South when > AO-7 was about over ZS-land in South Africa and despite a few hills > 20 km > away over my horizon I received back my CW succesfully up to 0.3? > elevation. > > To determine my exact uplink frequency in order to be translated by > AO-7 at > 145.940 MHz +/- at the very AOS moment when the bird comes to me from > South to North during an ascending orbit it was also very important > for me > this night because in the following days I plan to contact on > skedule at > 145.940 +/- MHz the friend ZS6BB, Pierre in KG43EU > > But what was really happening this night ? You are right ! > > The distance into free space between AO-7 and FO-29 was about 1500 > km at > 06:15 UTC and both satellites where in mutual covisibility so that my > 145.940 MHz CW signal that was translated by AO-7 was received by > FO-29 > and retranslated by FO-29 in 435.840 MHz at 06:15 UTC when you > received > my CW signal in Pretoria KG44EE through two satellites ! > > In more details at 06.15 UTC the subsatellite point (SSP) of AO7 > was over > Nigeria at 8.557? Latitude North and 10.095? Longitude Est and his > footprint > was not completely covering ZS land while the SSP of FO-29 was over > Zaire > at 6.482? Latitude South and Longitude 16.500? Est but his > footprint was > fully including ZS land where you was able to receive me in KG44EE > > The above demonstrates that when the footprints of two satellites > about > overlaps a two way QSO between two satellites is possible > particularly on > CW provided that the uplink and downlink frequency bands are the > same and > one station transmit to one satellite in 70 cm listening in 2 meters > while > the other one transmit to the other satellite in 2 meters listening > in 70 cm > > Unfortunately this is not the case betwen AO-7 and FO-29 because the > 70 cm > bands are different 435.800 to 435.900 MHz for FO-29 and 432.125 to > 432.175 > MHz for AO-7 so that only one way two satellite link is possible as > you Hal > experienced because the same 2 meters band is in common between both > satellites. > > The above reception of my signal by you via FO-29 also demontrates > that > actually FO-29 is working very well after a very long QRT because it > was > so sensitive to receive my signal in 2 meters via AO-7 and > retranslate it > into 70 cm with sufficient power to be received by you in 70 cm in > Pretoria > South Africa > > By the way since you in KG44EE are very close to Pierre in KG43EU I am > confident the at the end of testing and try with Pierre via AO-7 I > can try a > QSO via AO-7 as well with you and I will informe you about if you > agree. > > The distance from my JN70ES and Pierre in KG43EU is 7548 km and with > you in KG44EE is 7511 km both no bad distances from South Italy and > South Africa via AO-7 > > Best 73" de > > i8CVS Domenico > > > > > > > > > ------------------------------ > > Message: 5 > Date: Fri, 29 Jan 2010 02:47:45 +0000 (UTC) > From: [email protected] > Subject: [amsat-bb] Re: FO-29 > To: [email protected] > Cc: amsat-bb <[email protected]> > Message-ID: > > <1461961093.1075411264733265894. > [email protected]> > > Content-Type: text/plain; charset=utf-8 > > Pass over central US was still in operation with several SSB > stations on. I was on CW but no contacts. Pass was a 19 deg pass for > me, and the 0408 utc pass will be 40 degs so hopefully more West > Coast will be on... > > John W6ZKH > > > ----- Original Message ----- > From: "David - KG4ZLB" <[email protected]> > To: [email protected] > Sent: Thursday, January 28, 2010 4:53:51 PM GMT -08:00 US/Canada > Pacific > Subject: [amsat-bb] FO-29 > > So nice to hear FO-29 booming again on this last pass at 00:46, > really strong and loud - congrats to the team on getting this one > back in shape, very much appreciated! And hi to VE4EMU who obliged > me with a contact although I lost you completely after the exchange! > A couple of others on as well! -- David KG4ZLB www.kg4zlb.com > _______________________________________________ Sent via [email protected] > . Opinions expressed are those of the author. Not an AMSAT-NA > member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > ------------------------------ > > Message: 6 > Date: Fri, 29 Jan 2010 11:56:13 +0800 > From: "Alan Kung" <[email protected]> > Subject: [amsat-bb] HO-68 Schedule - 01-07 Feb 2010 > To: <[email protected]> > Message-ID: <002501caa098$c1711fd0$6c01a...@ba1duoffice> > Content-Type: text/plain; charset="gb2312" > > 31 Jan. 2010, FM/Digital Transponder > ======================================= > 19:20...Turn On > South Africa, Europe, NA > 20:05...Turn Off > > 23:05...Turn On > South Africa,South America,Europe, > NA,North Pole,North Asia > 23:50...Turn Off > > 01 Feb. 2010, FM/Digital Transponder > ======================================= > 02:35...Turn On > South Pole, South America,NA,North > Asia,North Pole > 03:20...Turn Off > > 11:40...Turn On > Australia,New Zealand,South Asia, > East Asia,North Asia,Europe > 12:25...Turn Off > > 19:05...Turn On > South Africa,Europe,NA,North Pole,North Asia > 19:50...Turn Off > > 02 Feb. 2010, FM/Digital Transponder > ======================================= > 00:30...Turn On > South America,NA,North Asia, North Pole > 01:15...Turn Off > > 04:20...Turn On > South America,NA,Middle Asia > 05:05...Turn Off > > 15:15...Turn On > Australia, India,South Asia,Europe,NA > 16:00...Turn Off > > 18:45...Turn On > Africa,Europe,NA > 19:30...Turn Off > > 03 Feb. 2010, FM/Digital Transponder > ======================================= > 00:20...Turn On > South America, NA,North Asia > 01:05...Turn Off > > 03:45...Turn On > South Pole,South America, NA > North Asia, North Pole > 04:30...Turn Off > > 13:10...Turn On > Australia, South Asia, East Asia,North Asia > 13:26...Turn Off > > 16:55...Turn On > India,Middle East Asia,Europe,NA, > 17:40...Turn Off > > 04 Feb. 2010, FM/Digital Transponder > ======================================= > 01:40...Turn On > South Pole,South America,NA,North Asia > 02:25...Turn Off > > 01:55...Turn On > South America,NA,North Asia > 02:40...Turn Off > > 03:45...Turn On > South America,NA,North Asia > 04:30...Turn Off > > 10:50...Turn On > Oceania,South Asia,East Asia,North Asia > 11:35...Turn Off > > 16:35...Turn On > India,Middle Asia,Africa,Europe,NA > 17:20...Turn Off > > 20:00...Turn On > Africa,Europe,NA,North Asia > 20:45...Turn Off > > 05 Feb. 2010, FM/Digital Transponder > ======================================= > 01:25...Turn On > South America,NA,North Asia > 02:10...Turn Off > > 03:15...Turn On > South America,NA,North Asia > 04:00...Turn Off > > 12:37...Turn On > Oceania,South Asia, East Asia, North Asia > 12:52...Turn Off > > 16:15...Turn On > India,Middle Asia,Europe,NA > 17:00...Turn Off > > 19:45...Turn On > Africa,Europe,NA > 20:30...Turn Off > > 06 Feb. 2010, FM/Digital Transponder > ======================================= > 01:10...Turn On > South America,NA,North Asia > 01:55...Turn Off > > 10:15...Turn On > Oceania,East Asia,North Asia,Europe > 11:00...Turn Off > > 16:00...Turn On > India,Middle Asia,Europe,NA > 16:45...Turn Off > > 19:25...Turn On > Africa,Europe,NA,North Asia > 20:10...Turn Off > > 07 Feb. 2010, FM/Digital Transponder > ======================================= > 00:50...Turn On > South America,NA,North Asia > 01:35...Turn Off > > 01:47...Turn On > South Asia,East Asia, North Asia > 02:02...Turn Off > > > 73 > Alan Kung, BA1DU > HO-68(XW-1) Project Manager > www.camsat.cn > > > > > ------------------------------ > > Message: 7 > Date: Thu, 28 Jan 2010 20:43:07 -1000 > From: Peter Scheller <[email protected]> > Subject: [amsat-bb] Re: HO-68 Schedule - 01-07 Feb 2010 > To: <[email protected]>, amsat-bb <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > > Mr. Kung, > > > > It is heartbreaking to watch the HO-68 schedule, and see the > satellite virtually cutting off > > seconds before the footprint reaches KH6 land. We are not asking to > amend an existing and > > published schedule, but would be grateful for future considerations. > > > > Respectfully submitted > > Peter Scheller, NH6VB > > > > >> From: [email protected] >> To: [email protected] >> Date: Fri, 29 Jan 2010 11:56:13 +0800 >> Subject: [amsat-bb] HO-68 Schedule - 01-07 Feb 2010 >> >> 31 Jan. 2010, FM/Digital Transponder >> ======================================= >> 19:20...Turn On >> South Africa, Europe, NA >> 20:05...Turn Off >> >> 23:05...Turn On >> South Africa,South America,Europe, >> NA,North Pole,North Asia >> 23:50...Turn Off >> >> 01 Feb. 2010, FM/Digital Transponder >> ======================================= >> 02:35...Turn On >> South Pole, South America,NA,North >> Asia,North Pole >> 03:20...Turn Off >> >> 11:40...Turn On >> Australia,New Zealand,South Asia, >> East Asia,North Asia,Europe >> 12:25...Turn Off >> >> 19:05...Turn On >> South Africa,Europe,NA,North Pole,North Asia >> 19:50...Turn Off >> >> 02 Feb. 2010, FM/Digital Transponder >> ======================================= >> 00:30...Turn On >> South America,NA,North Asia, North Pole >> 01:15...Turn Off >> >> 04:20...Turn On >> South America,NA,Middle Asia >> 05:05...Turn Off >> >> 15:15...Turn On >> Australia, India,South Asia,Europe,NA >> 16:00...Turn Off >> >> 18:45...Turn On >> Africa,Europe,NA >> 19:30...Turn Off >> >> 03 Feb. 2010, FM/Digital Transponder >> ======================================= >> 00:20...Turn On >> South America, NA,North Asia >> 01:05...Turn Off >> >> 03:45...Turn On >> South Pole,South America, NA >> North Asia, North Pole >> 04:30...Turn Off >> >> 13:10...Turn On >> Australia, South Asia, East Asia,North Asia >> 13:26...Turn Off >> >> 16:55...Turn On >> India,Middle East Asia,Europe,NA, >> 17:40...Turn Off >> >> 04 Feb. 2010, FM/Digital Transponder >> ======================================= >> 01:40...Turn On >> South Pole,South America,NA,North Asia >> 02:25...Turn Off >> >> 01:55...Turn On >> South America,NA,North Asia >> 02:40...Turn Off >> >> 03:45...Turn On >> South America,NA,North Asia >> 04:30...Turn Off >> >> 10:50...Turn On >> Oceania,South Asia,East Asia,North Asia >> 11:35...Turn Off >> >> 16:35...Turn On >> India,Middle Asia,Africa,Europe,NA >> 17:20...Turn Off >> >> 20:00...Turn On >> Africa,Europe,NA,North Asia >> 20:45...Turn Off >> >> 05 Feb. 2010, FM/Digital Transponder >> ======================================= >> 01:25...Turn On >> South America,NA,North Asia >> 02:10...Turn Off >> >> 03:15...Turn On >> South America,NA,North Asia >> 04:00...Turn Off >> >> 12:37...Turn On >> Oceania,South Asia, East Asia, North Asia >> 12:52...Turn Off >> >> 16:15...Turn On >> India,Middle Asia,Europe,NA >> 17:00...Turn Off >> >> 19:45...Turn On >> Africa,Europe,NA >> 20:30...Turn Off >> >> 06 Feb. 2010, FM/Digital Transponder >> ======================================= >> 01:10...Turn On >> South America,NA,North Asia >> 01:55...Turn Off >> >> 10:15...Turn On >> Oceania,East Asia,North Asia,Europe >> 11:00...Turn Off >> >> 16:00...Turn On >> India,Middle Asia,Europe,NA >> 16:45...Turn Off >> >> 19:25...Turn On >> Africa,Europe,NA,North Asia >> 20:10...Turn Off >> >> 07 Feb. 2010, FM/Digital Transponder >> ======================================= >> 00:50...Turn On >> South America,NA,North Asia >> 01:35...Turn Off >> >> 01:47...Turn On >> South Asia,East Asia, North Asia >> 02:02...Turn Off >> >> >> 73 >> Alan Kung, BA1DU >> HO-68(XW-1) Project Manager >> www.camsat.cn >> >> >> _______________________________________________ >> Sent via [email protected]. Opinions expressed are those of the >> author. >> Not an AMSAT-NA member? Join now to support the amateur satellite >> program! >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > _________________________________________________________________ > Hotmail: Free, trusted and rich email service. > http://clk.atdmt.com/GBL/go/196390708/direct/01/ > > ------------------------------ > > Message: 8 > Date: Fri, 29 Jan 2010 07:44:09 +0100 > From: "Pedro A. Perez" <[email protected]> > Subject: [amsat-bb] Re: HO-68 29-01 1320utc > To: <[email protected]> > Message-ID: <77e3ae86412946b791af947425446...@gfas> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > Yep! I'll try to work from my mobile station from IM79. > > Pedro EB4DKA > http://eb4dka.laserenadigital.com > > > ----- Original Message ----- > From: "jp-byj-free" <[email protected]> > To: <[email protected]> > Sent: Thursday, January 28, 2010 7:10 PM > Subject: [amsat-bb] HO-68 29-01 1320utc > > >> Hi >> >> Ho-68 Linear Transponder >> Tomorrow 1320UTC very good conditions for QSO NorthAmerica - Europe. >> >> S'73 Jep. >> >> >> _______________________________________________ >> Sent via [email protected]. Opinions expressed are those of the >> author. >> Not an AMSAT-NA member? Join now to support the amateur satellite >> program! >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > > ------------------------------ > > Message: 9 > Date: Thu, 28 Jan 2010 13:41:48 -0600 > From: "Stephen Hicks, N5AC" <[email protected]> > Subject: [amsat-bb] Re: [Mw] Satellite to carry Amateur Radio 5840.00 > MHztelemetry beacon > To: Graham Shirville <[email protected]> > Cc: [email protected], Amsat Reflector > <[email protected]>, Stan <[email protected]> > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > I'd be happy to program the additional frequency in the A32 if that > would > help. Let me know if you would like this done. generally, I add it > to the > software and then state what release it is in and then any after that > release will always have that frequency. > > 73, > Steve > > > Sent from Austin, Texas, United States > > On Thu, Jan 28, 2010 at 12:10, Graham Shirville > <[email protected]>wrote: > >> Hi Stan, >> >> The website http://www.unisec.jp/unitec-1/en/cooperation.html gives >> quite >> a lot of info as well...if you wish to make direct contact then you >> can >> email Naomi Kurahara<[email protected]> >> >> 73 >> >> Graham G3VZV >> ----- Original Message ----- From: "Stan" <[email protected]> >> To: "Trevor ." <[email protected]> >> Cc: <[email protected]>; "Amsat Reflector" < >> [email protected]>; "Stephen Hicks, N5AC" <[email protected]> >> Sent: Wednesday, January 27, 2010 3:25 PM >> Subject: [amsat-bb] Re: [Mw] Satellite to carry Amateur Radio 5840.00 >> MHztelemetry beacon >> >> >> This satellite holds some promise of a decent and doable microwave >>> technical challenge. >>> >>> It will be possible to use our 5760 Transverters for a RX only >>> application, maybe with minor tweaking. >>> >>> The LO is 5616 MHz, with the RF of 5840 MHz, the IF is 224 MHz, >>> right in >>> the US 222 MHz band. >>> >>> Maybe with a bigger dish, and a very low noise figure preamplifier, >>> optimized at 5840 MHz, >>> we could be in the UNITEC-1 deep space telemetry collection >>> business. >>> >>> The DEMI A32 LO with an external 10 MHz reference, can add the >>> frequency stability needed. >>> Or maybe Steve, N5AC, can preprogramm the A32 for a 5,840-145= >>> 5,695 / 5 >>> = 1,139.0 MHz >>> >>> A reasonable challenge this winter morning, as I sip my lukewarm >>> tea at >>> the dining room table. >>> >>> But more questions are raised: >>> >>> 1. Keplerian elements are great for satellites, but once UNITEC1 >>> enters >>> deep space, >>> what do we use to calculate and predict the path for our accurate >>> tracking >>> ? >>> >>> 2. Is there anything special about the modulation scheme ? >>> >>> Stan, W1LE Cape Cod FN41sr >>> >>> >>> >>> >>> >>> >>> Trevor . wrote: >>> >>>> On May 20 Japan is planning to launch four "CubeSats". The >>>> largest of >>>> them, UNITEC-1, will carry a 15 watt Amateur Radio 5840.00 MHz >>>> telemetry >>>> beacon and travel into deep space towards Venus >>>> >>>> Three of the satellites will carry Amateur Radio payloads. On the >>>> AMSAT >>>> bulletin board Mineo Wakita JE9PEL writes >>>> >>>> Four CubeSats in Japan are planned to launch at 20 May 2010 >>>> together with PLANET-C which belongs to JAXA by H-IIA rocket. >>>> http://www.jaxa.jp/index_e.html >>>> >>>> UNITEC-1, NPO UNISEC (University Space Engineering Consortium) >>>> 5.8GHz >>>> http://www.unisec.jp/unitec-1/en/top.html >>>> >>>> Negai*", Soka University >>>> 437.305MHz CW, Packet 1200bps FSK AX.25 >>>> http://kuro.t.soka.ac.jp/main.html >>>> >>>> WASEDA-SAT2, Waseda University >>>> 437.485 MHz CW(FM), PCM-FSK(FM) 9600bps >>>> http://www.miyashita.mmech.waseda.ac.jp/Waseda-Sat2/index.htm >>>> >>>> KSAT, Kagoshima University >>>> Uplink: S-band(2GHz, 10kbps), Downlink: Ku-band(13.275GHz, 10kbps/ >>>> 1Mbps) >>>> http://www.sci.kagoshima-u.ac.jp/~nishio/download/Ukaren2008Nishio.pdf >>>> >>>> IARU Amateur Satellite Frequency Coordination information >>>> Unitec-1 http://www.amsat.org.uk/iaru/finished_detail.asp? >>>> serial=141 >>>> Negai http://www.amsat.org.uk/iaru/finished_detail.asp?serial=90 >>>> WASEDA-SAT2 http://www.amsat.org.uk/iaru/finished_detail.asp?serial=123 >>>> >>>> AMSAT Bulletin Board AMSAT-BB >>>> http://www.amsat.org/amsat-new/tools/maillist/ >>>> >>>> AMSAT-UK publish a colour A4 newsletter, OSCAR News, that is full >>>> of >>>> Amateur Satellite information. >>>> Join online at https://secure.amsat.org.uk/subs_form/ >>>> ---- >>>> 73 Trevor M5AKA >>>> Daily Amateur Radio News (Email/RSS): http://www.southgatearc.org/ >>>> Email Your News To: editor at southgatearc.org >>>> Or Use Form at: http://www.southgatearc.org/news/your_news_1.htm >>>> --- >>>> >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Microwave mailing list >>>> [email protected] >>>> http://www.valinet.com/mailman/listinfo/microwave >>>> >>>> >>>> >>> _______________________________________________ >>> Sent via [email protected]. Opinions expressed are those of the >>> author. >>> Not an AMSAT-NA member? Join now to support the amateur satellite >>> program! >>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb >>> >> >> > > > ------------------------------ > > Message: 10 > Date: Fri, 29 Jan 2010 16:53:18 +1000 > From: Phil <[email protected]> > Subject: [amsat-bb] DK7ZB 435MHz aerial question > To: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Thank you for reading this. > > I'm in the process of setting up my satellite station after a five > year break > and my UHF aerial doesn't seem to be performing as well as I expect it > should. I always suspected that it's performance was below par. > AO-51, for > instance, is received no better than strength 3 on my FT-847. > > The aerial is a twelve element design (twelve elements in each > plane) by > DK7ZB and is without a doubt the best 435MHz aerial that I have ever > built. > The extra twelve elements have been removed for testing purposes and > is > currently hand held and rotated as accurately as possible. > > I suspect that the poor gain might be due to the matching system > because I > was always unsure of the exact physical length of parallel quarter > wave > matching cable. The element lengths are spot on and the element > spacing is > within a millimetre of the design figures. The SWR, even after all > this time, > is still around 1.2:1. The Belden 9913 cable connecting the aerial > to the > radio is only nine metres long and, as best I can tell, has a about > a half DB > loss. > > I would like to make e-mail contact with anyone who may have built > this > aerial or one of the other UHF designs by DK7ZB. > > -- > Regards, > Phil > > > ------------------------------ > > Message: 11 > Date: Fri, 29 Jan 2010 08:49:36 -0500 > From: Bob DeVarney W1ICW <[email protected]> > Subject: [amsat-bb] updated pseudo moon keps > To: [email protected], [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Here is a set of pseudo keps for the moon calculated using the > MoonKeps > program by HB9BNI ( thank you ! ) to calculate them, and then > rewritten > in two line form. > These work fine for my Uni_Trac 2003 using both the -2003 and the > -2000 > software. > Perhaps they may help someone else with a stand-alone tracker like > mine. > > Cheers, > > Bob W1ICW > > MOON > 1 00000U 00000A 10019.90529622 .00000000 00000-0 00000-0 0 0004 > 2 00000 25.1631 348.5977 0637000 142.8591 221.8486 00.036600996 6 > > > ------------------------------ > > Message: 12 > Date: Fri, 29 Jan 2010 09:49:10 -0500 > From: "Stan, W1LE" <[email protected]> > Subject: [amsat-bb] Re: DK7ZB 435MHz aerial question > To: Phil <[email protected]> > Cc: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hello Phil, > > One big problem.... > > ALL elements must be installed to effectively test. > The V and H elements do interact, but that interaction is designed > around by the designer. > > Add the other elements with matching system and retest. > > To prove this try modeling the entire element then remove all of the V > or H elements. > > Stan, W1LE Cape Cod FN41sr > > > Phil wrote: >> Thank you for reading this. >> >> I'm in the process of setting up my satellite station after a five >> year break >> and my UHF aerial doesn't seem to be performing as well as I expect >> it >> should. I always suspected that it's performance was below par. >> AO-51, for >> instance, is received no better than strength 3 on my FT-847. >> >> The aerial is a twelve element design (twelve elements in each >> plane) by >> DK7ZB and is without a doubt the best 435MHz aerial that I have >> ever built. >> The extra twelve elements have been removed for testing purposes >> and is >> currently hand held and rotated as accurately as possible. >> >> I suspect that the poor gain might be due to the matching system >> because I >> was always unsure of the exact physical length of parallel quarter >> wave >> matching cable. The element lengths are spot on and the element >> spacing is >> within a millimetre of the design figures. The SWR, even after all >> this time, >> is still around 1.2:1. The Belden 9913 cable connecting the aerial >> to the >> radio is only nine metres long and, as best I can tell, has a about >> a half DB >> loss. >> >> I would like to make e-mail contact with anyone who may have built >> this >> aerial or one of the other UHF designs by DK7ZB. >> >> > > > > ------------------------------ > > Message: 13 > Date: Fri, 29 Jan 2010 10:59:23 -0500 > From: [email protected] > Subject: [amsat-bb] ND9M Road Trip Update #3 > To: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > > > > Yesterday's snowfall in SW Kansas complicated road conditions and > especially safety so I opted to hold off getting to the DM98/EM08 > line until today (Friday). I'll operate from that line during the > AO27 pass that starts at about 29/1950Z. Depending on accessibiltiy, > I may get to the quad grid point and add DM99/EM09. > >> From there, we'll head north to Nebraska and put out DM99/EM09 >> during the AO51 pass at 2236Z and then either put out the DN90/EN00 >> grid line or the DM99/EM09/DN90/EN09 quad field point on the AO51 >> pass starting at 30/0014Z. > > We have to focus on getting to Denver now, so time permitting, > Saturday's game plan will be to hit the DN91/EN01 line on AO27 at > 30/1922Z, stop again in DN91 for the second AO27 pass at 2101Z, and > then the DN80/DN81 grid line on AO51 at 30/2335. > > After that, we'll be in Denver (DN70) and Cheyenne (DN71) with > family for a few days before heading south through NM and into TX. > > 73 for now, > > Jim, ND9M / VQ9JC > Wekeeney, KS / EM09 > > > > ------------------------------ > > Message: 14 > Date: Fri, 29 Jan 2010 16:50:44 +0000 (UTC) > From: [email protected] > Subject: [amsat-bb] More great FO-29 passes > To: amsat-bb <[email protected]> > Message-ID: > > <1354380632.1292461264783844056. > [email protected]> > > Content-Type: text/plain; charset=utf-8 > > It sure is nice to have FO-29 back online, after being off for > awhile. The 0415 utc 2/29 pass provided my first QSO with VE4AMU and > this last pass of 1602 utc provided a contact with Larry, WA6DIR. > This last pass was out over the Pacific. (I missed the 1416 utc > pass; was still in bed). I hope it stays active, but do know it is > in a test phase. > > John W6ZKH > > > > > ------------------------------ > > Message: 15 > Date: Fri, 29 Jan 2010 09:39:54 -0800 > From: "Jim" <[email protected]> > Subject: [amsat-bb] UX-14 > To: <[email protected]> > Message-ID: <000601caa10a$1226d480$36747d...@net> > Content-Type: text/plain; charset="us-ascii" > > Hi all > > I am looking for a ICOM UX-14 interface board. > > > > TNX > > Jim > > K7UDG > > [email protected] > > > > ------------------------------ > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the > author. > Not an AMSAT member? Join now to support the amateur satellite > program! > http://amsat.org/mailman/listinfo/amsat-bb > > > End of AMSAT-BB Digest, Vol 5, Issue 54 > *************************************** _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
