January 2011 - AMSAT-BB - mailman.amsat.org

so67 - tone or no tone?
by zach hillerson 31 Jan '11

31 Jan '11

Now that we have a week of so67 activity I am confused about the tone. I am currently using the tone, and made 1 contact (new grid!) on the only pass I could work yesterday. I'm also reading a few reports about not using the tone as the preferred method of working so67. What is the BB vote - tone or no tone....or doesn't matter?

2 1

Call for Papers: 15th Annual SVHFS Conference Huntsville, AL
by Robin Midgett 31 Jan '11

31 Jan '11

Call for Papers: 15th Annual Southeastern VHF Society Conference, Huntsville, Alabama The Southeastern VHF Society is calling for the submission of papers and presentations for the upcoming 15th annual Southeastern VHF Society Conference to be held in Huntsville, Alabama on April 29th and 30th, 2011. Papers and presentations are solicited on both the technical and operational aspects of VHF, UHF and Microwave weak signal amateur radio. Time slots for Presentations are limited but all papers will be considered. Some suggested areas of interest are: Transmitters Receivers Transverters RF Power Amplifiers RF Low Noise Pre Amplifiers Antennas Construction Projects Test Equipment And Station Accessories Station Design And Construction Contesting Roving DXpeditions EME Propagation (Sporadic E, Meteor Scatter, Troposphere Ducting, etc.) Digital Modes (WSJT, etc.) Digital Signal Processing (DSP) Software Defined Radio (SDR) Amateur Satellites Amateur Television In general papers and presentations on non weak signal related topics such as FM repeaters and packet will not be accepted but exceptions may be made if the topic is related to weak signal. For example, a paper or presentation on the use of APRS to track rovers during contests would be considered. The Technical committee this year is K4IDC, Robin Midgett and N2CEI, Steve Kostro. Contact Steve Kostro, SVHFS2011 AT downeastmicrowave DOT com as soon as possible if you wish to make a presentation. There is limited presentation time left in the schedule. Submissions for presentation at the conference should be in PowerPoint (.ppt) format, and delivered in person at the conference to Robin Midgett on either a USB memory stick or CDROM or posted for download on a web site of your choice. Notify or adress Robin with any other AVA questions at K4IDC AT Comcast DOT net. Papers may be submited and published without presentation. Deadline for the submission of papers is March 11, 2011. All submissions for the proceedings should be in Microsoft Word (.doc). Pages are 8 and 1/2 by 11 inches with a 1 inch margin on the bottom and ¾ inch margin on the other three sides. All text, drawings, photos, etc. should be black and white only (no color). For further information and updates about the conference please go to www.svhfs.org Thank you, Robin Midgett K4IDC 2011 Conference Program Co-Chair, SVHFS

1 0

Palm Springs HamFest
by Clint Bradford 31 Jan '11

31 Jan '11

Thank you to contacted stations in Montana ... Tennessee ... Laguna Beach ... Colorado ... Texas ... the event's parking lot ... Huh? A special thanks to Patrick WD9EWK for his assistance last Saturday during the 2nd annual Palm Springs HamFest. While working the second pass of the day, I heard a familiar voice calling me. Same grid square, too - DM-13. Just after contacting Tennessee, and kiddingly telling the assemblage, "Wow - can this REALLY work THAT far? Tennessee at 2 Watts?" ... Patrick contacts me from the parking lot of the event ... (grin) SO ... We communicated with stations from 150 feet away, to 2000+ miles away in Tennessee. The group was properly impressed! Clint Bradford, K6LCS http://www.work-sat.com

2 1

On This Date - Van Allen Belt
by Clint Bradford 31 Jan '11

31 Jan '11

On January 31, 1958 - Reacting swiftly to the Soviet success with Sputnik I, the United States makes its first foray into space a highly successful one. http://feeds.wired.com/~r/wired/index/~3/0HfWdXXPRWY/ WIRED Magazine - First U.S. Satellite Discovers Van Allen Belt Clint, K6LCS

2 2

SSB pre-AMPS
by John Ronan 31 Jan '11

31 Jan '11

Ahem, as they're being discussed, I've a DBA-270 that seems to have lost the VHF side of the pre-amp (when I switch on the Pre-amp, signals drop on VHF, fine on UHF). I've never had a reason to open one, so I was wondering if its likely that I'll be able to replace the device myself? Regards John EI7IG

1 0

Fw: SSB pre-Amps
by Pedro Cruz 31 Jan '11

31 Jan '11

----- Original Message ----- From: "Pedro Cruz" <pccu2jx(a)sapo.pt> To: <k8tb(a)bosscher.org> Sent: Monday, January 31, 2011 2:09 PM Subject: : SSB pre-Amps > Hi Tom > > I also have an icom 910H and VHF and UHF preamps. > > You power it direct from the rig without the bias-t ? > > Whem you tx the pre amp the rig remove pwr from the preamps? > > Best 73 ! > > Pedro Cruz - CU2JX > > > ----- Original Message ----- > From: "K8TB" <k8tb(a)bosscher.org> > To: <amsat-bb(a)amsat.org> > Sent: Sunday, January 30, 2011 8:56 PM > Subject: [amsat-bb] Re: SSB pre-Amps > > >> Dave, >> >> I have a pair and in my case they are powered right up the coax to >> the rig by the IC-910H. They are very good, albeit expensive preamps, >> and they make a huge difference for my setup, as I have a 150 foot run >> of rg-8 to the antennas. >> >> tom K8TB >> >> On 1/30/2011 4:31 PM, Dave wrote: >>> Hi group- Is anyone using the SSBUSA-2000 and SSBUSA-7000 pre-amps? >>> How >>> are you powering them? >>> >>> Thanks, >>> >>> Dave >>> KA0SWT >> >> _______________________________________________ >> Sent via AMSAT-BB(a)amsat.org. 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 >

1 0

KB3QLK/P FM28 Delaware 1700z 1/30 - 1700z 1/31
by Zachary Beougher 31 Jan '11

31 Jan '11

Hi, Jamie, KB3QLK, will be doing a demo(s) for his club during Winter Field Day this Saturday-Sunday (30-31). He will be operating the birds using his personal call before the event, then he will be using the club’s call, KB3BHL, during the event. This will be a good opportunity for any stations (especially the western stations) to work DE for WAS. Good luck with the QSOs! Zack KD8KSN

1 2

SO67 04:20
by Ted 31 Jan '11

31 Jan '11

WOW ! what a pleasant change from AO51 !! (little different audio, but what a signal over So Oregon tonight) Ted, K7TRK p.s. for Damon, W4HFN, no 'goat rope' on this bird !

1 0

First time on SO67 tonight
by John Geiger 31 Jan '11

31 Jan '11

Caught my first pass of SO67 tonight and had a good time on it. Thanks to Glen, AA5PK, for informing me that it no longer uses a PL tone, as I had that turned on. I was really impressed with the strength of the downlink and can tell this is going to be a fun bird to work. Even picked up a new grid tonight-EM95. Let's do it again tomorrow on SO67! 73s John AA5JG

1 0

AO7 LU-K4 Qso
by garymf＠aol.com 31 Jan '11

31 Jan '11

After about a month of trying Luis LU6QI and I completed a AO7 mode B CW QSO. EL98-FK66, Most of the work was on his end as I have poor shot to the south. Gary K4MF

1 0