[amsat-bb] Gagarin Anniversary
Geoff Dover G4AFJ sent this to me today. You may be interested in this one from this week's ARRL DX Bulletin. KAZAKHSTAN, UN. Special event stations R50YG and R50SK are QRV from Baikonur until April 14 in celebration of the 50th anniversary of the first flight of Yuri Gagarin. This includes an entry in the Gagarin Cup contest. In addition, special call R50KEDR will be QRV on April 12 from 0507 to 0655z to commemorate the 108 minutes of Gagarin's first flight. QSL via operators' instructions. 73, John G7HIA ___ 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: Gagarin Anniversary
- Original Message - From: John Heath g7...@btinternet.com To: Amsat amsat-bb@amsat.org Sent: Friday, April 08, 2011 11:19 AM Subject: [amsat-bb] Gagarin Anniversary Geoff Dover G4AFJ sent this to me today. You may be interested in this one from this week's ARRL DX Bulletin. KAZAKHSTAN, UN. Special event stations R50YG and R50SK are QRV from Baikonur until April 14 in celebration of the 50th anniversary of the first flight of Yuri Gagarin. This includes an entry in the Gagarin Cup contest. In addition, special call R50KEDR will be QRV on April 12 from 0507 to 0655z to commemorate the 108 minutes of Gagarin's first flight. QSL via operators' instructions. 73, John G7HIA Hi John G7HIA Just for curiosity. Was Yury Gagarin a licensed radio Ham and what his call letter ? Anybody had a QSO with him ? 73 de i8CVS Domenico ___ 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: 99th Anniversary of Titanic Disaster Special Event ThisWeekend
- Original Message - From: Zachary Beougher zack.kd8...@hotmail.com To: amsat-bb@amsat.org Sent: Friday, April 08, 2011 2:41 AM Subject: [amsat-bb] 99th Anniversary of Titanic Disaster Special Event ThisWeekend 99th Anniversary of the Titanic Disaster We will start at 8AM Saturday and continue through 16:00 Sunday. Please come out and enjoy the weekend in Branson!! Operating frequencies will be as follows for SSB and CW. 14.260 ssb +/- 3KC 7.260 ssb # +/- 3KC 3.860 #ssb #+/- 3kc CW will be running split, If need 14.060 CW UP 2kc 7.060 CW UP 2kc 3.560 CW UP 2kc ** 73! Zack KD8KSN Hi Zack, KD8KSN To be honest with you the 99th Anniversary of the Titanic Disaster should be made only on CW and not if need On board of Titanic there was only a CW spark transmitter. 73 de i8CVS Domenico ___ 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: Gagarin Anniversary
2011/4/8 i8cvs domenico.i8...@tin.it Just for curiosity. Was Yury Gagarin a licensed radio Ham and what his call letter ? Anybody had a QSO with him ? I think K2UBC discussed this aspect here on amsat-bb some years ago and the outcome was probably not, i.e. there is no proof Yuri G was UA1LO, which has been a common belief based some QSL with Gagarin's picture on QSL from UA1LO whose name happened to be Yuri as well. Anyhow I had yesterday a QSO on HF with U5ARTEK, a clubstation whose page on qrz.com shows a picture of Yuri Gagarin operating from the same club station back in 1960's. So Yuri has probably been at least a 2nd operator ;) Anyway there is plenty of anniversary stations on the air at least on HF (hopefully also on sats), at least the following: R50YG Yuri Gagarin R50SK Sergey Korolev RG50D RG50K RG50F Star City training center RG50C Landing Site RG50G R1961G U5ARTEK/A R3K Energija Space Flight Control Center 73 de Ari OH3KAV Tampere, Finland (grid: KP11) ___ 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: 99th Anniversary of Titanic Disaster Special Event ThisWeekend
Hi Domenico, I am not helping out with or taking part in the event, just posting for KD0JWY. He compiled the verbiage in the original post and I just copied and pasted it to the AMSAT BB. 73, Zack KD8KSN -Original Message- From: i8cvs Sent: Friday, April 08, 2011 7:15 AM To: Zachary Beougher ; Amsat - BBs Subject: Re: [amsat-bb] 99th Anniversary of Titanic Disaster Special Event ThisWeekend - Original Message - From: Zachary Beougher zack.kd8...@hotmail.com To: amsat-bb@amsat.org Sent: Friday, April 08, 2011 2:41 AM Subject: [amsat-bb] 99th Anniversary of Titanic Disaster Special Event ThisWeekend 99th Anniversary of the Titanic Disaster We will start at 8AM Saturday and continue through 16:00 Sunday. Please come out and enjoy the weekend in Branson!! Operating frequencies will be as follows for SSB and CW. 14.260 ssb +/- 3KC 7.260 ssb # +/- 3KC 3.860 #ssb #+/- 3kc CW will be running split, If need 14.060 CW UP 2kc 7.060 CW UP 2kc 3.560 CW UP 2kc ** 73! Zack KD8KSN Hi Zack, KD8KSN To be honest with you the 99th Anniversary of the Titanic Disaster should be made only on CW and not if need On board of Titanic there was only a CW spark transmitter. 73 de i8CVS Domenico ___ 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] Fwd: Re: 99th Anniversary of Titanic Disaster Special Event ThisWeekend
I read it as CW will be running split only if there is a need run split, not that CW would only be used if needed. But either way, what is the big deal since this is a hobby for all to enjoy? Larry -- W0NQW - Original message - On Fri, 08 Apr 2011 13:15 +0200, i8cvs domenico.i8...@tin.it wrote: - Original Message - From: Zachary Beougher zack.kd8...@hotmail.com To: amsat-bb@amsat.org Sent: Friday, April 08, 2011 2:41 AM Subject: [amsat-bb] 99th Anniversary of Titanic Disaster Special Event ThisWeekend 99th Anniversary of the Titanic Disaster We will start at 8AM Saturday and continue through 16:00 Sunday. Please come out and enjoy the weekend in Branson!! Operating frequencies will be as follows for SSB and CW. 14.260 ssb +/- 3KC 7.260 ssb # +/- 3KC 3.860 #ssb #+/- 3kc CW will be running split, If need 14.060 CW UP 2kc 7.060 CW UP 2kc 3.560 CW UP 2kc ** 73! Zack KD8KSN Hi Zack, KD8KSN To be honest with you the 99th Anniversary of the Titanic Disaster should be made only on CW and not if need On board of Titanic there was only a CW spark transmitter. 73 de i8CVS Domenico ___ 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 ___ 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] ND9M/MM Sat Ops: FM01 - Late (Very) Notice
I'll be QRV on VO52 at 08/1352Z from FM01. I doubt we'll be in this grid long enough for any other passes though. 73, Jim, ND9M / VQ9JC ___ 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: ND9M/MM Sat Ops: FM01 - Late (Very) Notice
Tks Omar. I don't know for sure if SO-67 is active, but it's scheduled to turn on at 08/1435Z. But I was on SO-67's freq for the previous pass that started at 1310Z, and heard a full quieting ragchew between two N4 ops that continued well past the LOS. I'm assuming that the 435.345 downlink is also the output of a 70cm repeater located close enough to wipe out the satellite for me locally. I'll check it out anyway just to be safe. 73, Jim, ND9M / VQ9JC From: Omar Alvarez [mailto:oma...@gmail.com] Sent: Friday, April 08, 2011 2:08 PM To: Clary, James T, Civilian Subject: Re: ND9M/MM Sat Ops: FM01 - Late (Very) Notice I am not sur, but SO-67 will be at 14:42 Z, is it active? Can be a second chance for FM01? Omar XE1AO --- M.C. Omar Alvarez Cárdenas Facultad de Telemática Universidad de Colima +52(312) 3161075 xe1...@ucol.mx omar...@hotmail.com --- ___ 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] ND9M/MM Sat Ops: FM01 Update
Unfortunately I had the VO52 pass at 08/1352Z all to myself when the ship was in FM01. The downlink was strong, but there were no takers. My ship was still barely in FM01 when SO67 came up a while later. There was no QRM on the bird's downlink, so I was all set. But the ship's engineering department chose that time to test the high pressure foam system used for extinguishing fires. I normally set up the step ladder station on the flight deck, but we have a foam cannon (called a monitor for some reason) trained on the deck, and my station was right in line to get blasted. Luckily, I was able to get the gear out of the way just in time, but the fire system test didn't allow me any chance to get set up again before SO67 went over the hill. We're now in FM02, the last grid square of this voyage. I'll be on board until Sunday morning and will be able to make this grid available a few times through tomorrow evening. I won't be posting a schedule though. 73, Jim, ND9M / VQ9JC ___ 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] fast12
UTEXAS needs to do something with Their website if They want data sent to them . If anyone is interested , here is the 12:00 noon pass : 17:09 FAST2BEACONUI,?,F0 (1200 baud): F21001630493718.5877830589824 21+0.1765+0.0588+0.6000 -3903952.94 -3773326.54 +4430538.23364283286 010 013 010 015 025 Jerry WB5LHD ___ 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] ANS-098 ANS Special Bulletin ARISSat-1 Activation Aboard ISS Begins April 11
SB SAT @ AMSAT $ANS-098.01 ANS Special Bulletin ARISSat-1 Activation Aboard ISS Begins April 11 AMSAT News Service Bulletin 098.01 From AMSAT HQ SILVER SPRING, MD. April 8, 2011 To All RADIO AMATEURS BID: $ANS-098.01 SILVER SPRING, MARYLAND (AMSAT News Service) While awaiting deployment from the International Space Station (ISS) in late July, an amateur radio satellite specifically designed to in- terest students in scientific and technological careers will be activated and begin transmissions from the ISS in mid-April of this year. Transmissions are scheduled to begin Monday around 14:30 UTC April 11 and ending Wednesday around 10:30 UTC on April 13. Electronic certificates of the event will be available to those summitting reception reports to: gaga...@arissat1.org. These transmissions will commemorate 50 years since the flight of Russian Cosmonaut Yuri Gagarin as the first human to enter outer space. The satellite (called ARISSat-1, RadioSkaf-V) will send telemetry, SSTV images, and messages of goodwill as it orbits earth inside the ISS. ARISSat-1 is a cooperative effort between AMSAT, ARISS (Amateur Radio on the International Space Station,) RSC-Energia (The Russian Space Agency) and NASA. The design, development and construction of the satellite was done by AMSAT volunteers. Original plans call- ed for the satellite to be housed inside an old Russian spacesuit. But when the suit became unavailable, a spaceframe was developed to house the radio equipment and solar panels. The new satellite was named ARISSat-1. Other names for the spacecraft are RadioSkaf-V and Kedr. The transmitted callsign will be RS01S. In order to operate inside the ISS, ARISSat-1 will be connected to an external amateur radio antenna already mounted on the outer sur- face of the space station. The craft will use its own battery for operation, therefore it will be in low power mode. As a result, listeners can expect 40-60 second ON periods followed by two-minute OFF periods to save battery power. To listen for ARISSat-1 voice signals during this special event, FM receivers should be tuned to 145.950 MHz. Specific only to this event, planning is currently underway to provide an additional FM broadcast downlink at 437.550 MHz. Even though the satellite will only have an output of 250 mW on 2 meters, a standard FM handy talkie equipped with a quarter-wave whip antenna should be able to receive the voice ID, voice telemetry and greeting messages as the craft passes overhead. SSTV transmissions may also be demodulated and viewed using a free downloadable program such as MMSSTV that is available at: http://mmhamsoft.amateur-radio.ca/pages/mmsstv.php. For Mac users, Multiscan2 is available at: http://web.me.com/kd6cji/MacSSTV/MultiScan.html. Those planning to monitor voice broadcasts from ARISSat-1 are request- ed to make note of the telemetry battery voltage values and UTC time, and then submit their records to gaga...@arissat1.org. Digital tele- metry will be sent at 145.920 MHz. Given the low duty cycle of the spacecraft, those planning to receive the digital telemetry are en- couraged to record the entire signal band using the FunCube dongle or SDR-IQ receivers. Software for demodulating the BPSK-1000 telemetry is available at: http://www.arissattlm.org/download/ARISSatTLM_050_Setup.exe A software user guide will be available soon. This special period of operation is only expected to continue during the two-day 50 year commemoration of Gagarin's famous mission. The actual deployment of ARISSat-1, first announced for February 2011, is now expected to take place during an EVA scheduled for late July, 2011. After it is deployed from the International Space Station, ARISSat-1 is expected to be in orbit for a period of up to six months. More information on the transmission schedule and overall mission of ARISSat-1 can be found at: ARISSat-1 Web site: http://www.arissat1.org AMSAT Web site: http://www.amsat.org ARISS Web site: http://www.ariss.org ARISS Facebook Page:Amateur Radio on the ISS (ARISS) ARISS Twitter site: @ARISS_status The Radio Amateur Satellite Corporation (AMSAT) is a non-profit, volunteer organization which designs, builds and operates experi- mental amateur radio satellites and promotes space education. We work in partnership with government, industry, educational instit- utions and fellow amateur radio societies. We encourage technical and scientific innovation, and promote the training and development of skilled satellite and ground system designers and operators. Our vision is to deploy satellite systems with the goal of providing wide area and continuous coverage for amateur radio operators world- wide. AMSAT is also an active participant in human space missions and supports satellites developed in cooperation with the educational community and other amateur satellite groups. Amateur Radio on the
[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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[amsat-bb] Re: Full Duplex as a Single Channel on a HT
I can't comment on the various HT's but I would think that you'd want the TX
freq in memory and the RX freq on vfo. That's how I use my TH-F6A (not a
full duplex HT).
Jeff Moore -- KE7ACY
CN94
- Original Message - From: Bill W1PA w...@hotmail.com
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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Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
___
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Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
[amsat-bb] ARISSat-1 mentioned on NPR Science Friday
ARISSat-1 was mentioned today on NPR's Science Friday program, thanks to Dave Jordan AA4KN for calling in to the program. You can hear the podcast at http://www.sciencefriday.com/program/archives/201104083 Dan Schultz N8FGV ___ 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: Full Duplex as a Single Channel on a HT
Bill,
The Alinco DJ-G7 is full duplex and has 100 cross band memory channels that
can do Satellites. You can setup 5 memory channel pairs to cover first
approach, near approach, Closest position, near departure, far departure.
Then just click through the memories as the satellite passes. Another DJ-G7
feature is it can also do 1 watt on 1.2GHZ uplink to AO51.
I suggest using 5khz steps on 435mhz so it does 5 memory sets.
Good luck,
Don - kd6ire
-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Bill W1PA
Sent: Friday, April 08, 2011 12:10 PM
To: AMSAT-BB@amsat.org
Subject: [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
___
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
___
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[amsat-bb] Re: Tracking ARISSat-1 with SATCP32
According to the latest announcement, there will be a one event downlink on 437.550 MHz. This should add it to SATPC32: ISS,437550.0,0,FM,,,0,0,APR12TEST Alan WA4SCA -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Alan P. Biddle Sent: Thursday, April 07, 2011 9:49 AM To: AMSAT-BB Subject: [amsat-bb] Tracking ARISSat-1 with SATCP32 If you are going to be listening for ARISSat-1 on the 12th, and use SATPC32, you will be using the ISS for antenna tracking, but you will need to add a few modes in the DOPPLER.SQF file for the ISS: ISS,145918.5,0,USB,,,0,0,BPSK/CW-2 ISS,145950.0,0,FM,,,0,0,VOICE/SSTV ISS,145938.5,0,USB,,,0,0,CW-1 If you use something other than ISS, such as Zarya, then substitute that so SATPC32 will know what you mean. These will appear along with all the real ISS modes. The FM frequencies should be good, and the SSB modes as usual will need a little tweaking. Assuming your rig is calibrated, you should be at least close enough to hear the short transmit periods. 73s and good luck, Alan WA4SCA ___ 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 ___ 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] Diplexer
I was wondering if anyone has scene the article about using a diplexer (I think that's the right name) on both ends for a satellite setup? One where the two antennas are then a single feed then another one to split things up again by the radio. I think it was in QST but can't remember the issue or if someone has used that setup I would like some input ..Thanks and 73's Mike N8GBU ___ 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: Diplexer
Duplexor = tx rx more than one freq Diplexor = rx only more than one freq Sent from my iPhone Andrew Rich On 09/04/2011, at 11:59, N8GBU n8...@buckeye-express.com wrote: I was wondering if anyone has scene the article about using a diplexer (I think that's the right name) on both ends for a satellite setup? One where the two antennas are then a single feed then another one to split things up again by the radio. I think it was in QST but can't remember the issue or if someone has used that setup I would like some input ..Thanks and 73's Mike N8GBU ___ 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 ___ 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] Yuri's Night - Skype Contacts?
I am having a party on April 12 celebrating Yuri Gagarin and the activation of ARISSat-1. It is from 6-10PM PDT April 12 (0100-0500 GMT April 13). Anyone out there want to visit a bunch of giddy Californians via Skype/Skype Video in that time period? We are already scheduled other video linkups from 7:05-7:10PM and 9:45PM-9:55PM PDT ... You do not need to offer anything special ... Just hearing/seeing you as we commemorate this date would be GREAT! My Skype name - clintbradford If you want to test the connection, just send me email. Clint, K6LCS 909-241-7666 - cell ___ 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: Diplexer
I used that arrangement for several years with great luck. Just be sure the insertion loss is low. It had great mode J harmonic rejection. I used combiners from Comet (model 4160) http://www.cometantenna.com/products.php?CatID=1famID=6childID=0 73, Joe kk0sd -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Andrew Rich Sent: Friday, April 08, 2011 9:23 PM To: N8GBU Cc: AMSAT Subject: [amsat-bb] Re: Diplexer Duplexor = tx rx more than one freq Diplexor = rx only more than one freq Sent from my iPhone Andrew Rich On 09/04/2011, at 11:59, N8GBU n8...@buckeye-express.com wrote: I was wondering if anyone has scene the article about using a diplexer (I think that's the right name) on both ends for a satellite setup? One where the two antennas are then a single feed then another one to split things up again by the radio. I think it was in QST but can't remember the issue or if someone has used that setup I would like some input ..Thanks and 73's Mike N8GBU ___ 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 ___ 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 ___ 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
Bill,
The Alinco DJ-G7 is full duplex and has 100 cross band memory channels that
can do Satellites. You can setup 5 memory channel pairs to cover first
approach, near approach, Closest position, near departure, far departure.
Then just click through the memories as the satellite passes. Another DJ-G7
feature is it can also do 1 watt on 1.2GHZ uplink to AO51.
I suggest using 5khz steps on 435mhz so it does 5 memory sets.
Good luck,
Don - kd6ire
-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Bill W1PA
Sent: Friday, April 08, 2011 12:10 PM
To: AMSAT-BB@amsat.org
Subject: [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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[amsat-bb] Re: Full Duplex as a Single Channel on a HT
The Alinco DJ-G5 will do so. I think that the Yaesu FT-470 did too, but
it's been so long since I owned that radio that I can't say for certain.
George, KA3HSW
- Original Message -
From: Bill W1PA w...@hotmail.com
To: AMSAT-BB@amsat.org
Sent: Friday, April 08, 2011 2:09 PM
Subject: [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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[amsat-bb] Re: Diplexer
Not quite... the usual understanding of the terms is that a duplexer provides isolation between 2 devices (typically a repeater transmitter and receiver) operating in the same band, while a diplexer is for devices in different bands, ie, 2 meters and 70 centimeters. George, KA3HSW - Original Message - From: Andrew Rich vk4...@tech-software.net To: N8GBU n8...@buckeye-express.com Cc: AMSAT AMSAT-BB@amsat.org Sent: Friday, April 08, 2011 9:22 PM Subject: [amsat-bb] Re: Diplexer Duplexor = tx rx more than one freq Diplexor = rx only more than one freq Sent from my iPhone Andrew Rich ___ 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
