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CX2SA > SATDIG 19.03.16 00:44l 862 Lines 26015 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Re: Satellite Connection (Rupert Hamblin)
2. Re: Satellite Connection (Rupert Hamblin)
3. Re: Satellite Connection (Greg)
4. Menu for Dayton AMSAT/TAPR Banquet (Bruce)
5. Re: Menu for Dayton AMSAT/TAPR Banquet (Stefan Wagener)
6. Colorado Amateur Satellite net Begins in 1 hour (Skyler F)
7. Re: Optical shaft encoders (Daniel Cussen)
8. cheap radio (Bob- W7LRD)
9. Re: cheap radio (skristof@xxxxxxx.xxxx
10. Re: cheap radio (Patrick STODDARD (WD9EWK/VA7EWK))
11. Re: Trouble programming a TS-2000 (Rick Tejera)
12. Re: cheap radio (Rick Tejera)
----------------------------------------------------------------------
Message: 1
Date: Thu, 17 Mar 2016 20:25:11 +0000
From: Rupert Hamblin <rupert.hamblin@xxxxx.xxx>
To: Greg <gjd1958@xxxxxxx.xxx>, amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Satellite Connection
Message-ID:
<CAJJsJpQ-qB322zFGnRJGYLEKXA+ZTt4+Zpd2P3wQE_aYKNmbmw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi Greg,
It's difficult to say, I can track the Doppler of the received signal ok,
but as I've never yet received my own signal i'm not sure if that's a
problem...
I've tried whilst on a good pass adjusting the sub tune - but I never find
my signal.
My initial thoughts were either a sub tune issue, or perhaps a problem with
the antenna alignment..?
Cheers
RH / G0TKZ
On 17 Mar 2016 8:14 p.m., "Greg" <gjd1958@xxxxxxx.xxx> wrote:
> Are you having issues adjusting for Doppler?
>
> greg
> N3MVF
>
>
> On Mar 17, 2016, at 3:16 PM, Rupert Hamblin <rupert.hamblin@xxxxx.xxx>
> wrote:
>
> Hi All,
>
> Would be grateful for any advice or your thoughts on the following...!
>
> Ok, so I have my station virtually completed now. I have the rotator setup
> correctly
> and with the LVB Tracker interface unit and SatPC32 now tracking SATs
> correctly (it appears).
> I have a 4 ELE (2M) and 9 ELE (70cm) on the rotator.
>
> I can receive very good copy of downlinks from quite low passes on both 2M
> & 70CM,
> and I have recently had the FT-847 lab repaired and tested on output -
> which I know are
> working ok.
>
> The problem I have is - whichever satellite i try to work, low pass / high
> pass, SSB or FM, high power
> or low power - I am unable to hear my own signal on the downlink and hence
> so far have no QSO's
> ....Any suggestions or clues as to what I may be doing wrong or have setup
> incorrectly...?
>
> Would appreciate any clues / tips here ! :-)
>
> Cheers
>
> RH / G0TKZ
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 2
Date: Thu, 17 Mar 2016 20:29:40 +0000
From: Rupert Hamblin <rupert.hamblin@xxxxx.xxx>
To: John Brier <johnbrier@xxxxx.xxx>, amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Satellite Connection
Message-ID:
<CAJJsJpT-_B7A-TotrYHmrjR=wuCOi2whxcBYC=BiB5xuwcmXDg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi John,
I'll give that a try, either that or a walk round test with a hand-held...
Cheer
RH / G0TKZ
On 17 Mar 2016 8:23 p.m., "John Brier" <johnbrier@xxxxx.xxx> wrote:
> If he can hear the FM sat SO-50 he shouldn't have to worry about doppler.
> He doesn't have to find himself like on an SSB sat's passband.
>
> Rupert, can you get into terrestrial repeaters? Verify in a simple way
> that transmit works.
> On Mar 17, 2016 4:14 PM, "Greg" <gjd1958@xxxxxxx.xxx> wrote:
>
>> Are you having issues adjusting for Doppler?
>>
>> greg
>> N3MVF
>>
>>
>> On Mar 17, 2016, at 3:16 PM, Rupert Hamblin <rupert.hamblin@xxxxx.xxx>
>> wrote:
>>
>> Hi All,
>>
>> Would be grateful for any advice or your thoughts on the following...!
>>
>> Ok, so I have my station virtually completed now. I have the rotator
>> setup correctly
>> and with the LVB Tracker interface unit and SatPC32 now tracking SATs
>> correctly (it appears).
>> I have a 4 ELE (2M) and 9 ELE (70cm) on the rotator.
>>
>> I can receive very good copy of downlinks from quite low passes on both
>> 2M & 70CM,
>> and I have recently had the FT-847 lab repaired and tested on output -
>> which I know are
>> working ok.
>>
>> The problem I have is - whichever satellite i try to work, low pass /
>> high pass, SSB or FM, high power
>> or low power - I am unable to hear my own signal on the downlink and
>> hence so far have no QSO's
>> ....Any suggestions or clues as to what I may be doing wrong or have
>> setup incorrectly...?
>>
>> Would appreciate any clues / tips here ! :-)
>>
>> Cheers
>>
>> RH / G0TKZ
>>
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
>
------------------------------
Message: 3
Date: Thu, 17 Mar 2016 16:32:40 -0400
From: Greg <gjd1958@xxxxxxx.xxx>
To: John Brier <johnbrier@xxxxx.xxx>
Cc: Rupert Hamblin <rupert.hamblin@xxxxx.xxx>, AMSAT BB
<amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Satellite Connection
Message-ID: <52E49538-99EB-4F5D-B623-84CD05976C74@xxxxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Good point re: SO-50.
G
MVF
On Mar 17, 2016, at 4:23 PM, John Brier <johnbrier@xxxxx.xxx> wrote:
If he can hear the FM sat SO-50 he shouldn't have to worry about doppler. He
doesn't have to find himself like on an SSB sat's passband.
Rupert, can you get into terrestrial repeaters? Verify in a simple way that
transmit works.
On Mar 17, 2016 4:14 PM, "Greg" <gjd1958@xxxxxxx.xxx> wrote:
Are you having issues adjusting for Doppler?
greg
N3MVF
On Mar 17, 2016, at 3:16 PM, Rupert Hamblin <rupert.hamblin@xxxxx.xxx> wrote:
Hi All,
Would be grateful for any advice or your thoughts on the following...!
Ok, so I have my station virtually completed now. I have the rotator setup
correctly
and with the LVB Tracker interface unit and SatPC32 now tracking SATs
correctly (it appears).
I have a 4 ELE (2M) and 9 ELE (70cm) on the rotator.
I can receive very good copy of downlinks from quite low passes on both 2M &
70CM,
and I have recently had the FT-847 lab repaired and tested on output - which
I know are
working ok.
The problem I have is - whichever satellite i try to work, low pass / high
pass, SSB or FM, high power
or low power - I am unable to hear my own signal on the downlink and hence
so far have no QSO's
....Any suggestions or clues as to what I may be doing wrong or have setup
incorrectly...?
Would appreciate any clues / tips here ! :-)
Cheers
RH / G0TKZ
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 4
Date: Thu, 17 Mar 2016 16:59:26 -0500
From: Bruce <kk5do@xxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Menu for Dayton AMSAT/TAPR Banquet
Message-ID: <56EB28BE.3070207@xxxx.xxx>
Content-Type: text/plain; charset=utf-8; format=flowed
I have just updated the menu at the AMSAT online store for the
festivities this year.
73...bruce
--
Bruce Paige, KK5DO
AMSAT Director Contests and Awards
AMSAT Board Alternate 2015-2016
ARRL Awards Field Checker (WAS, 5BWAS, VUCC), VE
Houston AMSAT Net - Wed 0100z on Echolink - Conference *AMSAT*
Also live streaming MP3 at http://www.amsatnet.com
Podcast at http://www.amsatnet.com/podcast.xml or iTunes
Latest satellite news on the ARRL Audio News
http://www.arrl.org
AMSAT on Twitter http://www.twitter.com/amsat
------------------------------
Message: 5
Date: Thu, 17 Mar 2016 17:05:12 -0500
From: Stefan Wagener <wageners@xxxxx.xxx>
To: BA Paige <kk5do@xxxx.xxx>
Cc: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Menu for Dayton AMSAT/TAPR Banquet
Message-ID:
<CAKu8kHB_ev2nsFVsm1OUmZb-NMwDu+YnbMiMeo6YTvkZ1D_U0A@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi Bruce,
I assume it is:
"crusted" salmon and not "curst"ed salmon :-)
Thanks, Stefan
On Thu, Mar 17, 2016 at 4:59 PM, Bruce <kk5do@xxxx.xxx> wrote:
> I have just updated the menu at the AMSAT online store for the festivities
> this year.
>
> 73...bruce
>
> --
>
> Bruce Paige, KK5DO
> AMSAT Director Contests and Awards
> AMSAT Board Alternate 2015-2016
> ARRL Awards Field Checker (WAS, 5BWAS, VUCC), VE
> Houston AMSAT Net - Wed 0100z on Echolink - Conference *AMSAT*
> Also live streaming MP3 at http://www.amsatnet.com
> Podcast at http://www.amsatnet.com/podcast.xml or iTunes
> Latest satellite news on the ARRL Audio News
> http://www.arrl.org
>
> AMSAT on Twitter http://www.twitter.com/amsat
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 6
Date: Thu, 17 Mar 2016 17:03:46 -0700
From: Skyler F <electricity440@xxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Colorado Amateur Satellite net Begins in 1 hour
Message-ID:
<CAJNyT08UuHvnJM982Nj348ppcjN-Vx2PS9k0mSm1ruEMavE_8g@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
This is a reminder that the Colorado Amateur Satellite net will begin in 1
hour from now (7PM mountain time Thursday).
6PM Pacific
7PM Mountain
8PM Central
9PM Eastern
Please visit us on
*AMSATNET.INFO <http://amsatnet.info/>*
*IRLP*
9870, the Denver Reflector
*ALLSTAR LINK*
40764, direct hookup to the repeater here. 41715, KC9ZHV hub at a data
center if I am out of bandwidth. More info on AllStar - amsatnet.info/#node
*ECHOLINK*
*AMSAT* unless there is an ARISS contact, then go direct to KD0WHB-L
*LOCAL RF*
449.625 (-) 141.3 ( W?KU Lookout Mountain)
447.225 (-) 141.3 (The STEM school repeater we set up)
447.850 (-) 141.3 (AC?KQ's repeater where he lives on TOP of saddleback
mountain)
147.450 SIMPLEX (Aurora, CO)
446.275 (-) 100.0 Galena St. Local repeater at my house, giving a whopping
5 blocks of great coverage
*REMOTE RF*
Your Repeater here!, Email me if you want to link in or me to link your
echolink or allstar repeater in automatically (no automatic IRLP linking
supported)
Skyler Fennell
amsatnet.info
KD?WHB
electricity440@xxxxx.xxx
------------------------------
Message: 7
Date: Fri, 18 Mar 2016 10:29:52 +0000
From: Daniel Cussen <zg3410@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Optical shaft encoders
Message-ID:
<CAF3DnKiRG07Ejim0_N7M7KaW3tVx1cbvEUimjatXRh0RWjNoDg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
>for those with Alfa Radio HR model rotators, maybe you have same/similar
issues?
I do not have a HR model, but I do have a similar system and we are
seeing similar problems.
First off there is no end stop safety switches. This means if the
control box becomes confused it can damage coax cables and move
elevation to positions to damage antennas etc.
Second, there is no absolute position sent, meaning if it gets
confused it cannot reset itself as only the amount of movement is
sent, not the actual current position. Over time this means errors
accumulate and grow.
The basic Yaesu G5500 has both safety protections meaning it is
unlikely a confused control box will result in damaged antennas or
coax.
>So first off, Bob is basically asking if anyone has built a custom optical
shaft encoder to >replace the magnetic hall effect sensors in the High
Resolution Big-Ras rotators. >Machining, circuit design, performance.....?
I do not know, however I have nearly added safety switches to a
similar model to turn off the motor to protect the coax cables. This
is also very important if the relays stick in the control box.
Others have removed or replaced position sensors with more accurate
absolute positions sensors. In particular the HH-12 is used by a lot
of large EME stations as it is both accurate, cheap and absolute
position. If you connect it using a rubber hose it will protect itself
from damage if you try turn it too much.
http://www.vk5dj.com/hh-12.html
Mounting it to the Big-Raz is unknown, but here is a similar project:
http://e-kutz.eu/seite10.html
Here is a complete controller with two sensors:
http://f1frv.free.fr/main3o_AZ_EL_Display.html
>The noise voltage was 1 or 2 volts peak to peak when measuring the lines
with an o->scope.
This is not good.
> The shields of the cables are connected together at the connector on the
rotator (8 pin >MIC connector) and at the connector on the MD-01 control
box. The shield is also >jumpered to a good station ground at the control
box.
To reduce noise the recommendation it to only connect the shield AT
ONE END, and not both ends. Normally only at the shack end. I think
this prevents ground loops.
>So that's about it in a 'nutshell.'
So in my case we have a similar sensor. All the HAMTV ground stations
in Europe (6) are using Prosistel Az/El with uses hall magnetic
sensors with thousands of pulses per second. We too are seeing
positions change with the motor stop, so much so thousands of pulses
must be read while stopped.
The solutions we have used so far:
1) Multiple screened cables as you suggest grounded at one end
2) Adding filters to the motor wiring to reduce motor noise/cross talk
3) I experimented with stepping up rotation feedback from 0/5V to 0/20V
4) I am working on a replacement control box, where we can modify the code
5) I am adding safety switches to protect the coax.
The real solution would be for the manufacturer to use absolute
position feedback. There is complete controllers available, if you can
manage to connect their sensors to your existing system using
belts/gears/cogs etc.
Another option I think you should consider is using your own control
box. We found that the Prosistel supplied control box was flawed in
some ways. The open source control box is already designed to take
pulse inputs, and seems to work with thousands of pulses per second.
You can even just hook the inputs in parallel to see if the problem is
the control box or the sensor outputs. All you need is an arduino
(mega preferably) and the correct version of the code. It will display
a second opinion of the position, so you can determine if the control
box has issues too. We found our control box misses some pulses, we
think it is busy updating the LCD or talking to the computer and
misses pulses.
Other features of this is a master/slave option, meaning the
controller can be mounted at the antenna, meaning only short cable
runs to the position sensor.
http://blog.radioartisan.com/yaesu-rotator-computer-serial-interface/
In the long term absolute position sensors combined with safety
switches are the only real solution. For HF even a bog standard
potentiometer would probably work better. Some suppliers use 3 or 10
turn potentiometers to allow 360 degrees or 1.5 turns rotation.
------------------------------
Message: 8
Date: Fri, 18 Mar 2016 17:42:51 +0000 (UTC)
From: Bob- W7LRD <w7lrd@xxxxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] cheap radio
Message-ID:
<1185060151.4383910.1458322971476.JavaMail.zimbra@xxxxxxx.xxx>
Content-Type: text/plain; charset=utf-8
found this on Ebay-Patrick will know if it works well on satellites. I got
one just because it's so cheap.
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPageName=S
TRK%3AMEBIDX%3AIT
73 Bob w7LRD
------------------------------
Message: 9
Date: Fri, 18 Mar 2016 14:24:45 -0400
From: skristof@xxxxxxx.xxx
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] cheap radio
Message-ID: <796e959c8fd8655a9631c0284afae773@xxxxxxx.xxx>
Content-Type: text/plain
You can use two of them and work semi-duplex. I use two Baofeng UV82
radios and an Arrow antenna on SO-50 and LilacSat. (I know, the ideal is
to work full-duplex. I apologize if I have ever stepped on anyone by
working semi-duplex.)
By the way, does anyone know China's email address? I want to ask them
to turn the LilacSat transponder back on.
Steve AI9IN
On 2016-03-18 13:42, Bob- W7LRD wrote:
> found this on Ebay-Patrick will know if it works well on satellites. I got
one just because it's so cheap.
>
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPageName=S
TRK%3AMEBIDX%3AIT [1]
> 73 Bob w7LRD
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
expressed
> are solely those of the author, and do not reflect the official views of
AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb [2]
Links:
------
[1]
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPageNa
me=STRK%3AMEBIDX%3AIT
[2] http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 10
Date: Fri, 18 Mar 2016 19:25:28 +0000
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@xxxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] cheap radio
Message-ID:
<CAN6TEUeH+X+Yvo2g4ncb9i8J+i3t2-WuGW9pMXFdCHo2NCoLKA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi Bob!
Depending on the quality control on the assembly line when that radio
was made, it could be useful for semi- or half-duplex FM satellite
work. Use two of them, and you could work FM satellites full-duplex.
The unfortunate part with most of the Chinese-made HTs is the lack
of consistentcy in their performance. Some will have good receivers
and clean transmitters, where others aren't so good - and that is
within the same make and model number.
With all of that said, I have used pairs of Baofeng HTs to work FM
satellites. They can work, but other radios generally have better
receivers that can handle the weak satellite downlinks. I have not
tried any of my Baofengs (UV-5R or UV-82) with AO-85, but I have
previously written about using some of those other radios with AO-85
full-duplex.
73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
Twitter: @xxxxxx
On Fri, Mar 18, 2016 at 5:42 PM, Bob- W7LRD <w7lrd@xxxxxxx.xxx> wrote:
> found this on Ebay-Patrick will know if it works well on satellites. I got
> one just because it's so cheap.
>
>
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPageName=S
TRK%3AMEBIDX%3AIT
> 73 Bob w7LRD
>
>
------------------------------
Message: 11
Date: Fri, 18 Mar 2016 15:11:24 -0700
From: "Rick Tejera" <saguaroastro@xxx.xxx>
To: "'Tom Moretto'" <tom.moretto@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Trouble programming a TS-2000
Message-ID: <004a01d18163$1c420850$54c618f0$@xxx>
Content-Type: text/plain; charset="utf-8"
Tom,
Craig, N6RSX has been corresponding with me off list and mentioned that the
radio in sat mode is cross band. That turned on the light. Exactly what you
noted. When i was trying to enter the 2m downlink into VFO A, VFO B was
already in 2m. So i set VFO B to 6m and bingo, VFO A was able to go into 2m.
Once I put in the downlink, I was able to switch VFO B to 70cmnd program
that in.
Thanks to Craig for a lot of other good advice and You as well Tom for
confirming the problem for others.
Now to see if I can get on the air.......
73
Rick Tejera (K7TEJ)
Saguaro Astronomy Club
www.saguaroastro.org
Thunderbird Radio Club
www.w7tbc.org
623-572-0713
623-203-4121 (cell)
SaguaroAstro@xxx.xxx
From: Tom Moretto [mailto:tom.moretto@xxxxx.xxxx
Sent: Friday, March 18, 2016 7:59 AM
To: Rick Tejera
Subject: Re: [amsat-bb] Trouble programming a TS-2000
Hi Rick,
just a tip, because it happened to me ;-)
When you're going to program one vfo, make sure the other is not on the same
band or you won't be abble to enter the qrg.
73, Tom F8COD
2016-03-16 5:22 GMT+01:00 Rick Tejera <saguaroastro@xxx.xxx>:
All,
Cross posting from the amsat-na fb page:
OK TS-2000 users, I finally have some time and decided to program the sat
memories in my TS-2000. Now according to the manual you put the downlink
into VFO-A and the uplink into VFO-B. Straight forward enough, problem is
when I select VFO-A on the sub receiver to add it, I can't seem to make it
find the 2m band. It goes from 70cm to 6m. I have no idea why it's doing
this. Anyone else have this problem?
Rick Tejera (K7TEJ)
Saguaro Astronomy Club
www.saguaroastro.org
Thunderbird Radio Club
www.w7tbc.org
623-572-0713
623-203-4121 (cell)
SaguaroAstro@xxx.xxx
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 12
Date: Fri, 18 Mar 2016 15:36:31 -0700
From: "Rick Tejera" <saguaroastro@xxx.xxx>
To: <skristof@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] cheap radio
Message-ID: <005e01d18166$9e6d8540$db488fc0$@xxx>
Content-Type: text/plain; charset="us-ascii"
Steve, if you're using two radios, you're working Full Duplex....
Rick Tejera (K7TEJ)
Saguaro Astronomy Club
www.saguaroastro.org
Thunderbird Radio Club
www.w7tbc.org
623-572-0713
623-203-4121 (cell)
SaguaroAstro@xxx.xxx
-----Original Message-----
From: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx On Behalf Of
skristof@xxxxxxx.xxx
Sent: Friday, March 18, 2016 11:25 AM
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] cheap radio
You can use two of them and work semi-duplex. I use two Baofeng UV82
radios and an Arrow antenna on SO-50 and LilacSat. (I know, the ideal is
to work full-duplex. I apologize if I have ever stepped on anyone by
working semi-duplex.)
By the way, does anyone know China's email address? I want to ask them
to turn the LilacSat transponder back on.
Steve AI9IN
On 2016-03-18 13:42, Bob- W7LRD wrote:
> found this on Ebay-Patrick will know if it works well on satellites. I got
one just because it's so cheap.
>
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPageName
=STRK%3AMEBIDX%3AIT [1]
> 73 Bob w7LRD
> _______________________________________________
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expressed
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AMSAT-NA.
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Links:
------
[1]
http://www.ebay.com/itm/111917016904?_trksid=p2057872.m2749.l2649&ssPage
Name=STRK%3AMEBIDX%3AIT
[2] http://www.amsat.org/mailman/listinfo/amsat-bb
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Subject: Digest Footer
_______________________________________________
Sent via amsat-bb@xxxxx.xxx.
AMSAT-NA makes this open forum available to all interested persons worldwide
without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT member? Join now to support the amateur satellite program!
http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
End of AMSAT-BB Digest, Vol 11, Issue 85
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