Re: [amsat-bb] SO-50 Recordings
Juan, I was on that pass but was unable to work you; I was hoping for N8RO (FN51) as well, but no joy. I recorded the entire pass and can send you the sound file. I need to download it from my recorder. Maybe on another pass?... :-) Bill W1PA ___ Sent via AMSAT-BB@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
Re: [amsat-bb] WD9EWK from FN56 starting @ 1727 UTC today...
Patrick, Thank you for the eye-ball at the ARRL Convention, and the new grid today on SO-50. Congrats to Drew (KO4MA) for his last grid east of the Mississippi (same pass -- at least that's what I heard). Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] myflydream for LEO?
Anyone aware of any projects to adapt this technology to LEO tracking? Bill W1PA http://www.youtube.com/watch?v=SGQ-tLxafdM ___ Sent via AMSAT-BB@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
Re: [amsat-bb] AMSAT FD 2014 debrief
Floyd, Makes perfect sense. I wonder why, when ISS is selected, SatPC32 does not configure the radio to a single VFO with a non-standard repeater offset, rather than loading 2M into both VFOs in satellite mode. Should I have taken it out of Satellite mode manually? Something to research. Bill -Original Message- From: Floyd Rodgers Sent: Tuesday, July 01, 2014 8:50 AM To: Bill (W1PA) ; amsat-bb@amsat.org Subject: Re: [amsat-bb] AMSAT FD 2014 debrief The 847 does not allow dual in band operation. If you think about it you would need very respectable filtering more than 100db isolation between the transmitter and receiver to be able to pull this off. In effect you are asking it to be a repeater. It can do this only when transmit and receive frequencies are not on the same band because then it only has to deal with the much smaller 3rd harmonic signal. On 6/30/2014 9:57 PM, Bill (W1PA) wrote: When I tried to run the ISS passes (2m up and down), the 2nd VFO on the FT-847 came up reset in the rig display when SatPC pushed the frequencies over -- is that a rig issue or SatPC issue I need to discuss with Erich? ___ Sent via AMSAT-BB@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
Re: [amsat-bb] AMSAT FD 2014 debrief
Thanks guys. I forget that SatPC32 is in fact a cluster of programs. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] AMSAT FD 2014 debrief
Using a modest set-up, I was able to give our local club (W1BIM) their bonus satellite contact on FO-29 Saturday afternoon (thanks to the team at W1AW/3). It was on the third pass attempt. I ran a FT-847 barefoot with an 11 ele yagi on 436 and a 3 ele yagi on 2m. I ran SatPC32 with the custom exe I got from Erich to address my older FT847's unidirectional CAT. Ran out of the hatch of my Subaru, armstrong rotor on a camera tripod. I have a lot of experience on the FM birds, but due to the lack of a home station very little on the transponder birds, at least not since AO-40. A couple of questions: For each satellite, once I dial in the correct VFO offset in SatPC (using the +/- keys), does the value stay the same pass to pass, or does it change on each pass? When I tried to run the ISS passes (2m up and down), the 2nd VFO on the FT-847 came up reset in the rig display when SatPC pushed the frequencies over -- is that a rig issue or SatPC issue I need to discuss with Erich? I had a script print out that I generated from NOVA as a back-up to SatPC32. I found in comparing it that it did not show all available passes -- if passes overlap in the NOVA scripting output, does it have a preference and drop one of them? SO-50 was pretty much non-usable except for passes over the ocean. No surprise. When in the right mode, I could hear AO-7 no problem , but it would switch itself off or change modes 1/3 way through the passes. On VU-52 and FO-29, signals would start strong and then dive... I assume this is the same thing I saw from my AO-40 days on FD... as the bandpass fills with stations, the available downlink output must be shared by everyone, so the overall signals from the birds drop off significantly... is that correct? Obviously, under normal conditions, it does not take much to work the linear birds... a quick search of Amsat demo on You Tube will demonstrate that for you -- small linear yagi's, a 2nd person on the tripod, a couple of FT817's barefoot, and no PC. FD is, of course, a different animal. I'd like to find out, off line, what folks were running set-up remote (not home stations). You don't have to post here; please send it to me direct (my call at hotmail dot com) In particular: 2M: TX power, antenna type and polarization, # of elements, RX pre-amp (y/n) 70CM: TX power, antenna type and polarization, # of elements, RX pre-amp (y/n) Single radio, or 2 radios? PC control of rotor? (y/n) PC control of rig? (y/n) What was your goal: Give bonus points to FD effort, or full AMSAT FD? If folks are interested I will summarize and repost, but I will not post any individual station info. We had great weather in New England, and a great FD outing. After making the needed QSO, I had a few more failed attempts on subsequent passes where I had trouble finding myself. Spent the rest of the weekend on 20CW, and trying to conjure up an opening on 6M. Bill W1PA (W1BIM 6A WMA) ___ Sent via AMSAT-BB@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
[amsat-bb] SO-50 from the car
I tried an experiment today on the 1630Z pass . My normal operating on SO-50 is a FT-530 (5W) to a standard Arrow... that’s about 15W ERP, correct? Today I tried a smaller, CJU antenna on RX (on the FT530), and my 45W mobile on my stock 1/2 wave mobile antenna (looking for a quick and dirty set-up... standing next to the car, mic through the window). It was a 55 degree west pass for me. I confirmed I had the correct tone set and was on simplex and high power, and I could not hear my myself. Not even near AOS and LOS (low on the horizon). Was I subject to the null off the top of the mobile TX antenna? for those of you who operate from your cars, what do you use for a TX antenna? Power? (btw, the CJU was a bit of a disappointment usable, but not great) Bill W1PA (also btw, that was NOT me calling CQ CQ 1 2 3 with no ID on that pass -- if it was _you_ reading this email, please go back and read one of the FM satellite primers) ___ Sent via AMSAT-BB@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
Re: [amsat-bb] some videos from 2014 Dayton Hamvention weekend
Paul, Can you guys share details of the station? qty 2 817's correct? No amps, right? Antennas? No automation on doppler or tracking, correct? (one guy on rigs, one guy on tripod?) Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Old FT-847 and doppler control
I just wanted to let everyone know that Erich (DK1TB, re: SatPC32) contacted me off the list and offered to modify and provide me with a SatPC32.exe that would not try to poll the rig, but push only i.e. work with my old, one-way-CAT FT-847. I overlaid the new executable and was able to fully control the rig through the SatPC32 and Wisat32 program UIs. I just wanted to publicly thank Erich for his unsolicited help. Ich bin Ihnen sehr dankbar! If you are in the same boat, please contact Erich off-list for the executable. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Old FT-847 and doppler control
I did some testing last night. To be clear, I have a FT-847 that has single direction CAT. Rigs with serial numbers later than 8G05 have bi-directional, rigs younger are likely to have single (Yaesu did go back and offer uProc replacements for a time, so if a rig is older, it may still do bi-directional CAT). More here: http://www.supercontrol.de/cat/ft847faq/page4.htm#catcontrol I installed and tried Gpredict on Ubuntu. The software and the rig won't link up for more than a few seconds, so there must be some bi-directional handshaking, and then a timeout. I ruled out my cable, etc, by using the Grig executable that comes with Hamlib. With Grig I can push changes to the rig, but no response to anything I do on the rig. More here: http://www.neodux.com/read/HOWTO:_Configure_Hamlib_for_Linux_Hams_-_Part_2 So then I tried SatPC32 on a WinXP machine. Actually, out of the box, it works somewhat... changing birds will correctly set up both VFOs and the modes. However, driving the VFO from the software, or letting the doppler correction take over, only effects the main VFO on my rig, not the sub-VFO. Greg suggested that I let the PC control the rotor instead, and manually adjust doppler on the rig. Probably a good suggestion, and something I had no problem doing in the AO-40 days, but I won't have a computer controlled rotator, a different FT847, or the skill to swap out a surface mount quad flatpack (the processor in the FT847 than needs to be swapped to get bidirectional) by FD; I'll take what automation I can get. I'll continue playing. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Old FT-847 and doppler control
I have one of the older FT-847's that does not have bidirectional CAT. My understanding is that I can still use a PC to control/adjust doppler, but that I must tune the radio from the software only. Is that correct? If so, what software would you suggest, Linux-preferred? I don't need any other control other than doppler correction on a linear bird pass. Does gpredict do this? Bill W1PA (btw, for those of you who I worked /P on SO-50 Friday mid-day, I was handheld at NEARfest hamfest (Deerfield, NH --FN43jc) ___ Sent via AMSAT-BB@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
[amsat-bb] Re: W1AW/2 NJ on SO-50
Chris, We were there... where we you? :-) Will you try again tonight? Would love to get at least one of the W1AW remotes on satellite. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: W1AW/2 NJ on SO-50
Chris, My bad... I read the previous post as _last night_ (Thr) at 0347Z, not Wednesday. There were a couple of us that read it wrong, so we worked each other instead. :-) Will look for you tonight (Friday) if the rain holds off. I am handheld portable as well (Arrow and FT530). Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Luca's Blog
His previous post, where he relates working the amateur radio equipment (possibly for the first time?) is good as well. Aug 13: Message in a Bottle Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] For the LEO satellite jock who has everything...
http://travisgoodspeed.blogspot.com/2013/07/hillbilly-tracking-of-low-earth-orbit.html Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] FD Postmortem: was a cheap LEO tracker for single op
A quick follow-up and some questions. I made it to the FD site about 11pm local. Schedule had two passes of SO-50 (1am and 3am) and two passes of AO-7 (at 4am and 6am local). Let's focus on AO-7. I had my FT-847, two 10 ft lengths of coax, and the trusty Arrow dual-band. I had my Ubuntu netbook with gpredict and a printed frequency list. I ran AO-40 full manual back in the day (no computer assist or Doppler) --I can do this, right?: AO-7 (B) 432.125-175 up, 145.975-925 down. Load 432.125 on the main VFO, and 145.975 (USB) on the secondary. Set Sat mode, (tracking REVERSE) Hear the bird great -- can’t find my downlink. Nada. Voice or CW. Confirmed 432 TX and power out with a meter -- ran up to 30 watts in. Moved the sub-tune up and down on the RX side for Doppler (at least 15khz each side). Coax was connected correctly. Nothing on the next pass either excellent hearing, can’t find myself. Bird is directly overhead. Epic fail. So what did I do wrong? Did I have a de-sense issue because of the crossed yagi? Enough power? What sideband should the uplink have been (LSB, correct)? Even if it was wrong, I should have heard CW, right? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] a cheap LEO tracker for single op
Again, thinking to FD... - My FT-847 predates bi-directional CAT i.e. no computer assisted Doppler - I may be the only one at the station i.e. no helper to man the antenna (Arrow), so I may need to do everything. - assume the transponder LEO birds Has anyone tried this?: 1) mount a standard TV antenna horizontal 2) align the horizontal rotor axis 90 deg to the orbit tilt (inclination?) of the intended bird (so if the bird went directly overhead, a beam mounted on the mast would track) 3) but, mount the antenna on the horizontal mast such that it can be set tilted off the mast 0 to 90 degs to the mast axis (from horizon to zenith, and in practice set it to the maximum elevation of the intended pass) 4) operation: set the rotator (in 2) and aim the beam to the AOS point of the pass (in 3), pan the orbit remotely from the operator position. 5) the rotator axis and angle of the beam to mast would have to be set for each pass. Do-able? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: a cheap LEO tracker for single op
Let me ask this another way... Assuming minimal setup prior to each pass, can I track a LEO with a single rotor well enough for QSO’s? (single rotor control in one hand, VFO/Doppler on my other) ___ Sent via AMSAT-BB@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
[amsat-bb] Re: AO7 2013 Eclipse Cycle
I hope I am not boring everyone with these AO7 reports. As someone who hopes to work AO7 for the first time at FD, it’s all good. Bill W1PA (FD: W1BIM) ___ Sent via AMSAT-BB@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
[amsat-bb] A viable FD satellite operation
I may set up a Field Day satellite station for our local club. I haven't done this in a while my last experience with a non-FM bird was AO-40. I'd like to avoid the futility of the FM LEO's on FD, and look to the working passband birds, which I understand are AO-7, FO-29, and VO-52. I have at my disposal a FT-847, an Arrow satellite antenna (V/U), and if needed, various preamps and poweramps for 2m and 432, as well as antennas with more elements. I also have a Ten Tec 2510 satellite unit that does not have the extra crystal board, which I understand makes it a non-starter for the 3 birds I mentioned. For those of you experienced with the bandpass birds, assuming an outdoor, clear sky access location, what should I bring? (i.e. will the FT-847 stock amp be sufficient? How many elements do I need for uplink? pre-amp for downlink? etc) I also may only be able to work overnight (in darkness) -- that rules out AO-7, correct? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Imagine RIT Festival May 4th - AMSAT Fox-2 Maximum PowerPoint Tracker Senior Design Project Exhibit
Nice job, Bryce. Regards, Bill W1PA (RIT '87) ___ Sent via AMSAT-BB@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
[amsat-bb] Japan AO-7A
In the right place, but no rigs or reciprocal licensing. :-) Bill W1PA/JA (shin-yokohama) ___ Sent via AMSAT-BB@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
[amsat-bb] Re: a couple tweaks to work AO-27 SO-50
I have to agree with Clint on this... don't overthink it. You only need a compass or a map to give you an idea where North is. If you have the antenna hand-held or on a small tripod, you will use it more with your ears than eyes, like a metal detector, but pointed at the sky --- sweep back and forth, and also rotate the beam around the boom axis for polarization changes, and listen for maximum signal/minimum noise. You will be continually be updating this during the pass... use your ears. I print out the AOS and LOS (acquisition and loss of signal) bearings, and max elevation values to give me approx. start and stop location, and to make sure my location accounts for the tree line and any buildings/obstacles. But I am still sweeping back and forth with the Arrow as the bird pops up over the horizon, and then optimize it when I hear the bird. Spend the money on a good accurate watch and a voice/tape recorder. :-) Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: HI4 Operations Suspended
Thank you for trying and providing the opportunity for HI4 and sorry it has been so unpleasant. Agree. Unfortunate. But I respect Bob’s choice -- it’s his time, his enjoyment. I listened to the 25-Jan 1807 pass (the day Bob “suspended”): http://www.papays.com/sat/AO-27_25Jan2012_180657z.mp3 Outside of some packet bursts and the “taxi drivers”, the only thing I hear is folks not letting grids and calls being exchanged both ways, on what were, I think, “pre-arranged” attempts (Bob was calling them). Because of the rapid-fire exchanges there is a tendency to consider that any “empty” time on a active FM bird is wasted time, so if the exchange is not completed on the first pass and there is a pause waiting for the repeat, folks can’t resist the open channel to call. I am not condoning it, but certainly understand the temptation. Bob also said he wanted to work new folks as well... not sure how many calling had already worked him. I guess only Bob knows for sure. And yes, we must remember that not everyone who works the birds reads this list, and would have known his desire. When I worked Bob, we did not complete exchanges on the first attempt (he did not confirm my grid), and 30 seconds later when there was a gap I called him again to confirm he had my grid. IMHO though, compared to passes that capture the full US in the foot print, that pass was actually pretty “organized”. I have heard much, much worse. Listen for yourself and decide. Then listen to the 16-Jan pass further down: http://www.papays.com/sat/general.html Bob, if you are reading, I hope you will be back on during the time you have left there. It is appreciated. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: DJ-G7 for LEO
Drew, Is it just de-sense, or lower sensitivity on the sub-band? I have one on loan I am going to try (A-B compare to my FT-530 with the Arrow), as soon as I find a SMA-BNC adapter in my shack. I read the QST review and the author said no issue except for same-band sub-band, but he is not an experienced LEO user (as he stated in the review). Bill W1PA -- From: Andrew Glasbrenner glasbren...@mindspring.com Sent: Saturday, April 23, 2011 6:47 AM To: Bill Acito w...@hotmail.com; AMSAT-BB@amsat.org amsat-bb@amsat.org Subject: Re: [amsat-bb] DJ-G7 for LEO Big thumbs down, as the full duplex desenses very badly. Nice radio otherwise, but stinks for satellite. I bought one of the first hundred, and have kept up with the firmware updates. 73, Drew KO4MA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: multi-sat, chronilogical pass predictions
Thanks to all who responded to my inquiry, here and directly. I found AOS.exe, and the satellite scripting (red, blue, yellow orbit icon) in NOVA. I am pretty embarrassed about the latter, since I have owned NOVA for a long time _and_ I am a software professional. I just assumed if it wasn't under Utilities--Listing, the capability wasn't there. RTFM, I know, I know... Anyway, thanks again. Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: RF Quiet my digital recorder
My Olympus DS-2 is pretty bad. In either play or record mode, I get wide processor noise on both 2m and 435 if it gets within a foot or so of the Arrow (in any direction). It sounds like power-line buzz noise. If I use a direct line-in (FT-530 ear to DS-2 Mic in), it's there all the time -- really bad. My goal is to y the stereo mic in, one side to the FT-530 audio coming from my headset, and one side to an external mic (so I can hear the difference in play-back between what I say, and what I can hear on the downlink). With the FT-530 in one hand, the Arrow in the other, pen and paper is not an option. I also want to download the recordings (.wma or .mp3) so an analog recorder, although rf quiet, is not an option. I plan to try shielding the recorder encasing it in either metal mesh, or maybe an aluminum fly-lure box, and then wrapping the line on a toroid core. In the mean time, is anyone using and can recommend a portable digital voice recorder with a mic-in jack (preferably stereo) that is rf quiet? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] multi-sat, chronilogical pass predictions
Do any of the pass prediction tools (win, dos, or linux) give you a listing of passes for multiple satellites in chronological order? i.e. imagine printing out 3 days of AO-51, AO-27, SO-50, etc and sorting them all together in chronological order. No graphics needed... just AOS and LOS bearings and times and max pass elevation. I have Nova and gpredict, and neither do. Does the original predict do this? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] RF Quiet my digital recorder
I am using an Olympus digital audio recorder for logging LEO passes, because I can directly transfer a .wma to my PC from it (versus the tape recorder I used in the 90's). I am using an extension clip-on mic. I am finding that it generates a lot of RF crud on 435, enough to swamp the RX if I am not careful. Beside a torroid on the mic cable, and maybe a foil/mesh cover over the recorder (maybe one of those new-fangled RF-ID protecting wallets), anything else I should try? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Typical pass for Echo?
This is not intended as a troll, or written with any attitude. Today's 3:30 EDT AO-51 pass was the first pass I have tried to work on a LEO in a long time (years). Blew the dust off the FT-530 and Arrow and sat out in the parking lot at work. Was that pretty typical (i.e. quantity of stations) now for a mid-afternoon, weekday pass over the US? What about the very early morning passes? Bill W1PA ___ Sent via AMSAT-BB@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
[amsat-bb] Full Duplex as a Single Channel on a HT
Do any of the current or classic satellite HT's (FT-51R, IC-W32A, etc)
allow you to create a single channel with a FM bird rx/tx pair in full
duplex?
I.e. I turn one knob and get 435.310 145.875
{click} 435.300 145.880
{click} 435.290 145.885
I could do this with the 20 DUP channels on the Ft-100D.
Even though the IC-W32A has two knobs, it looks like (from the manual)
only one can be in memory mode at one time, so TX would be in VFO mode,
and the other would be in channel mode. Is this correct?
So for each change (AOS, MID, LOS), I have to turn both knobs
one click, correct? Even if I can have memories on both sides,
I still have to turn both knobs -- If so, why wouldn't I just use a
VX-170/VX-177 pair of HT's, and turn both knobs?
I can program my DJ-V5 to have the odd split (TX144/RX432)
single knob channels, but of course, it is not full duplex.
Bill W1PA
___
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