[amsat-bb] FX614

2009-07-24 Thread Andy Brian
HI, I'm looking for any simple source code in C-language for FX-614 (ax.25 decoder) for undestanding simple ax.25 protocol. I found only few asm code for PIC16, but c-lanugage is easily to adopt to other microcontrollers. I tried to connect FX614 IC like in HITSAT

[amsat-bb] AMSAT-UK Keynote Speaker

2009-07-24 Thread David Johnson
Hi, We are pleased to announce that Dr Andreas Mogensen, currently at SSC and recently selected as one of the new the ESA Astronaut corps, has agreed to give a talk in the 1015-1100 hrs slot on Saturday 25th, covering briefly the history of the ESA astronaut corps and then about the steps that he

[amsat-bb] Re: Ballot

2009-07-24 Thread Martha
Don - You will be receiving a corrected ballot in the mail shortly. It will be in an envelope that says corrected ballot. That is the ballot you need to use. We will only count the corrected ballot. On Fri, Jul 24, 2009 at 10:24 AM, Donald Anderson w2...@hotmail.com wrote: Hi Martha My

[amsat-bb] Elk Antenna Mounted on a Camera Tripod

2009-07-24 Thread Vince Staffo
Has anyone used the Elk 2M/440 Log Periodic Beam Antenna mounted on a Camera Tripod? I would appreciate your experience/technique in mounting it. Thank You, Vince, WB2FYZ ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not

[amsat-bb] Re: AMSAT-BB Digest, Vol 4, Issue 355

2009-07-24 Thread gregory . beat
Andy - You are missing key pieces ... Like TTL to RS232 conversion. McGrawHill has publications on RS232 prog in C lang. I have these in home library. Start there. W9gb Sent from my Verizon Wireless BlackBerry -Original Message- From: amsat-bb-requ...@amsat.org Date: Fri, 24 Jul

[amsat-bb] Re: Rare Grids and Gridpeditions

2009-07-24 Thread John Papay
Drew, I appreciate your comments about what AO-51 can and cannot do. There is no problem if the v/u mode comes down on 435.150 rather than 435.300 except for the polarization difference. Those with Right Hand Circular Polarization (RHCP) will have a difficult time hearing the Left hand (LHCP)

[amsat-bb] Left /Right Hand polarization ...

2009-07-24 Thread myles landstein
hi Am in the planning stages of designing a satellite setup and decided on M2 2m and 430 antennas. They are RHCP out of the box , but I can buy a kit to enable them to switch between that and LHCP. It's kinda expensive and since I am inxperienced in this

[amsat-bb] Re: Elk Ant/ metal mast??

2009-07-24 Thread Jean-François Ménard
Hi Jerry, I have an Elk Antenna. Are you able to install the Elk antenna on top at the end of your mast ?? I did this on my portable setup Buddipole. The Elk antenna is over the dipole using ABS fitting that make the installation very solid. I don't have any picture... sorry. 73 J-F VA2SS

[amsat-bb] Re: Elk Ant/ metal mast??

2009-07-24 Thread Roger Kolakowski
Though you may find the Elk construction to be a little flimsy for a permanent installation, you should be able to end mount the boom with little significant distortion of the pattern. Using some aluminum plates and a few bolts or U-bolts should work. Remember your 15 degrees of elevation for the

[amsat-bb] Re: Elk Ant/ metal mast??

2009-07-24 Thread G. Gould Smith
I find that both the portable Elk and Arrow antennas elements unscrew over time.  Outside in the elements, you may soon find a bare boom unless you secure the elements to the center boom. 73, Gould, WA4SXM From: Roger Kolakowski rogerk...@aol.com To: Jerry

[amsat-bb] PocketSat+ on Nokia N810

2009-07-24 Thread Greg D.
Hi folks, I recently treated myself to a new toy - the Nokia N810 Internet Tablet. (Think iPod Touch with a higher resolution screen, real GPS, real keyboard, and it runs Linux so the apps multi-task, and are free.) Thought I'd pass this on... One of the challenges I faced in this