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CX2SA > SATDIG 28.07.15 21:03l 789 Lines 29195 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Re: duplexer used as a filter (Robert Bruninga)
2. Re: duplexer used as a filter (Mike Ryan)
3. Re: QIKCOM-2 SPoken Messages (DOVE-17's speech?) (Gary Mayfield)
4. Re: LOTW can be used for all AMSAT Awards (Kevin M)
5. Re: duplexer used as a filter (Kevin M)
6. Re: duplexer used as a filter (Graham Shirville)
7. Re: duplexer used as a filter (Daniel Cussen)
8. Re: duplexer used as a filter (Alan)
9. Re: duplexer used as a filter (kb2m@xxxx.xxxx
10. TS790 radio control now working (Scott Smith)
11. QIKCOM-2 SPoken Messages (DOVE-17's speech?)
(Nicholas Mahr KE8AKW)
12. g5400 AZ/EL control (Michael J. Wolthuis)
----------------------------------------------------------------------
Message: 1
Date: Mon, 27 Jul 2015 21:37:01 -0400
From: Robert Bruninga <bruninga@xxxx.xxx>
To: Joshua Abraham <jarvideo@xxxxx.xxx>
Cc: amsat bb <amsat-bb@xxxxx.xxx>, Paul Stoetzer <n8hm@xxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID:
<CALdCfNKCU4DmOr2b+DUnCrJa6GRTgoM=8c822AiRrzpfR3BYdA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Its probably not rain. Its probably condensation!
This will ALWAYS happen unless it is hermetically sealed and that is near
impossible. DUring the day, hot moist air stabilizes inside and outside.
At night the cooler temperatures will cause the mostirue inside to
condense. Every day the cycle continunes. Water builds up to failured.
And that is why such things are placed in at least mildly tmperature
controlled environments. Also, do not foget that night-sky radiative
cooling of anything that can see the sky will cool below ambient and make
condensation even worse.
Bob, Wb4aPR
On Mon, Jul 27, 2015 at 9:07 PM, Joshua Abraham <jarvideo@xxxxx.xxx> wrote:
> Not a bad Idea, Paul. Although some duct tape on the bottom of the jug
> should keep out any further moisture. Also a bit of spray paint on the jug
> as well wouldn't hurt to protect from UV damage. That thin plastic wouldn't
> last long on its own.
>
> 73,
> Josh KJ4VYR
>
> On Mon, Jul 27, 2015 at 8:47 PM, Paul Stoetzer <n8hm@xxxx.xxx> wrote:
>
> > None of the commercially made duplexers that I know of are made for
> > outdoor service. Use the top half of a milk jug, run the cable through
> > the top and seal off the top of the jug. Put the duplexer inside.
> > using the top half of the jug as a rain shield.
> >
> > That should keep 95% of the rain out of the duplexer.
> >
> > 73,
> >
> > Paul, N8HM
> >
> > On Mon, Jul 27, 2015 at 8:38 PM, <kb2m@xxxx.xxx> wrote:
> > > I'm trying to setup a remote sat station and need help with a desence
> > > filter. I was using a Diamond MX72-n and was experiencing water
> > intrusion.
> > > I then checked the archives and consulted the group and went to the
> > > recommended Comet CF-416. Guess what, I'm still getting water into the
> > > duplexer. I thought that it was more suited to outdoor service on the
> > > recommendation of the group. So, before I take apart one of the
> > duplexers to
> > > attempt to waterproof, does anyone know of a duplexer that is designed
> > for
> > > outdoor use on the tower? I really don't have the room for a 12 foot +
> > > crossboom, so I need to resolve the desence with the duplexer. Any
> > > suggestions from someone who has solved this?
> > >
> > >
> > >
> > > 73 Jeff kb2m
> > >
> > >
> > >
> > > _______________________________________________
> > > 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
> >
> _______________________________________________
> 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: Mon, 27 Jul 2015 22:54:17 -0400
From: "Mike Ryan" <mryan301@xxxxxxx.xxx>
To: <AMSAT-BB@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID: <020B5F907F8E43B3B6D4CAC4BCBF3A3C@xxxxxxxxx>
Content-Type: text/plain; charset="utf-8"
I recommend taking some lessons from other gear that?s packaged for outdoor
use. Like many outdoor preamps. Have a look at picture of these and you?ll
see what I am getting at.
Moisture comes from 2 places. From precipitation and from the air
(condensation). I?ve use the following with great success.
First the precipitation. Cover it like a ?hat?. I use a piece of wide PVC
or drainage pipe, though a plastic project box will do as well. I seal the
top with a cap and leave the bottom open. All cables and connectors must
come from the bottom for zero chance of water tricking in through a cable
hole on the top or side or through the connectors. Also seal the connectors
using some of the new vinyl coax wrap (love this stuff), electrical tape, or
coax seal (though the latter can be a bear to cleanly remove later). What
you're basically doing is affixing a ?bucket? over the top of your diplexer.
Now for condensation. Resist any temptation to seal up every crack and
crevice of the diplexer. As long as there is any air inside, you will
eventually get condensation due to temp and humidity changes. And it needs a
way to get out when that happens. If you cover the bottom of your PVC pipe
be sure to leave a weep hole or a small gap perhaps where your cables come
in through the bottom so moisture can escape. The only perfect way around
the condensation is to have no air at all inside the diplexer housing. Some
companies use this approach for outdoor matchboxes and baluns where the
whole thing is embedded in a block of epoxy. But before you try taking yours
apart and using filler, epoxy, or silicone sealer to fill it up, let me tell
you I?ve tried it and my diplexer just didn?t work well afterwards. I
suffered added losses and and increased SWR. Perhaps gear just has to be
designed for that from the ground up.
Hope that helps.
On Mon, Jul 27, 2015 at 8:38 PM, <kb2m@xxxx.xxx> wrote:
> I'm trying to setup a remote sat station and need help with a desence
> filter. I was using a Diamond MX72-n and was experiencing water intrusion.
> I then checked the archives and consulted the group and went to the
> recommended Comet CF-416. Guess what, I'm still getting water into the
> duplexer. I thought that it was more suited to outdoor service on the
> recommendation of the group. So, before I take apart one of the duplexers to
> attempt to waterproof, does anyone know of a duplexer that is designed for
> outdoor use on the tower? I really don't have the room for a 12 foot +
> crossboom, so I need to resolve the desence with the duplexer. Any
> suggestions from someone who has solved this?
>
>
>
> 73 Jeff kb2m
------------------------------
Message: 3
Date: Mon, 27 Jul 2015 23:10:47 -0500
From: "Gary Mayfield" <kk0sd@xxxxx.xxx>
To: "'amsat bb'" <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] QIKCOM-2 SPoken Messages (DOVE-17's speech?)
Message-ID: <053f01d0c8eb$61e2d5f0$25a881d0$@xxx>
Content-Type: text/plain; charset="utf-8"
http://www.dd1us.de/spacesounds%202c.html
Is a fantastic web page. Does anyone have recordings of the digitalkers on
UO-9 and UO-11?
73,
Joe kk0sd
-----Original Message-----
From: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx On Behalf Of Robert
Bruninga
Sent: Monday, July 27, 2015 7:35 AM
To: amsat bb
Subject: Re: [amsat-bb] QIKCOM-2 SPoken Messages (DOVE-17's speech?)
Did DOVE OSCAR-17 ever say anything other than the ?Hi, this is Dove in
Space? as recorded here:
http://www.dd1us.de/sounds/DO-17.mp3
That?s from a fantastic page I just found that has sounds from many
satellites!
http://www.dd1us.de/spacesounds%202c.html
I?d like to put ananniversary copy of its best known announcement on QIKCOM
I remember copying its telelmetry all the time, but I just don?t remember
the voice.
Bob
*From:* Robert Bruninga [mailto:bruninga@xxxx.xxxx
*Sent:* Sunday, July 26, 2015 4:12 PM
*To:* amsat bb
*Cc:* Robert Bruninga
*Subject:* Re: QIKCOM-2 SPoken Messages
AMSAT Armchair "contact" lawyers:
Continuing with the DTMF message ideas. What kind of exchange "counts" for
satellite contacts? (where counting matters)? Does it really have to be
CQ... QSL... and then QSL ...?
For the DTMF Voice system, we could have two more messages:
" CQ Satellite, my number is *" (the satellite assigns the digit *)
" QSL number _, my number is *" (station enters the _ in his reply)
Usage would be:
A station sends a DTMF uplink message "WB4APR says CQ Satellite my number
is X".
A responding station sends "W3ADO says QSL number X, my number is Y"
Finishing it off with "WB4APR says QSL number Y, my number is X.
Another station joins in "W4XYZ says QSL number X, my number is Z
and the reply could be "WB4APR says QSL Number Z, my number is X...
WB4APR made two valid contacts with XYZ and ADO.
In otherwords is that required for an exchange? The number for "My number
is *." is assigned sequencially for the pass, so that it is unique. The
QSL station always has to enter the number of the matching station to which
he is responding.
Just a thought. Or does anyone give a hoot about counting satellite
"contacts"?
Bob, Wb4APR
On Sun, Jul 26, 2015 at 2:02 PM, Robert Bruninga <bruninga@xxxx.xxx> wrote:
In addition to all of the numbered ARL messages, we have now implemented all
of these additional messages (as adjusted to fit) and found it was trivial
to include a "0-9" modifier in messages... wherever a " _" appears. There
is still some room.
Remember, for the sender using DTMF the message and callsign always fits
into 16 digits from the DTMF keypad. The format is:
CeMMxCCCCCCpppp#
Where e is an emergency flag which, along with x, must be 9 if this is a
true emergency message otherwise it says "TEST ... "
Where MM is the message number (00 to 99)
Where x is a numeric modifier for messages with a "_" in them.
Where CCCCCC is the callsign in DTMF and pppp is the key position codes for
the 6 letters
See http://aprs.org/qikcom-2.html
Here are the new ones implemented.
------------------------
W2JV suggested: ?Greetings from AMSAT. Keeping ham radio in space over 44
years?.
------------------------
WA1KAT suggested:
There is no cell service here.
Cell battery is dead.
Cell power charging is limited.
Radio power charging is limited.
Next contact time available in 90 minutes. (time of one full orbit)
Next contact time is tomorrow.
Contact me on _ Meter band. (interpret as 1=160, 2=2m, 3=30, 8=80, etc)
--------------------------
Bob added:
Demonstrating APRStt at Hamfest
Demonstrating APRStt to friends
I am on schedule.
I may be delayed _ hours
I may be delayed _ days
I may be early _ hours
I May be early _ days
I may quit early _ stops
I may go farther _ stops
We are camping and enjoying it greatly.
We are hiking and enjoying it greatly.
Call me on my cell.
Call my cell on the hour.
Please Send items number _. (1=Money,2= food, water, supplies, shoes,
sleeping bag, blanket,fuel)
We are operating on emergency power.
We are operating on solar power.
Just thinkin...
Bob, WB4APR
On Wed, Jul 22, 2015 at 11:11 PM, Robert Bruninga <bruninga@xxxx.xxx> wrote:
Inviting proposed standard messages for the next APRS Satellite:
Our next QIKCOM-2 APRS satellite will accept 2 digit uplink DTMF messages to
be spoken on the downlink. We have already programmed all of the ARRL
standard radio grams and emergency messages.
But there is room for more. So think.... What kind of message would you
want to send (that is not included in the existing ones) from your HT out in
the wilderness. At a hamfest? or any other HAM Radio event or opportunity.
Keep them simple and of the same order of length as the existing ones.
The existing ones are listed here:
http://nts.ema.arrl.org/node/30
But the implementation cannot include blanks for fill-in like the regular
ones. But any sentence that stands alone can work.
Just thought I'd open it up. Plenty of RAM and only 1 week before
delivery...
Serious considerations only. Thanks
Bob, WB4APR
_______________________________________________
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: Tue, 28 Jul 2015 07:23:14 +0000 (UTC)
From: Kevin M <n4ufo@xxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] LOTW can be used for all AMSAT Awards
Message-ID:
<734397682.3996250.1438068194815.JavaMail.yahoo@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Don't know who 'in the world' (<-- pun!) would have suggested such a crazy
thing, but very great news, Bruce!
I sure would have liked to have been the first to submit an LotW app, but I
just got #85 confirmed towards the Century award (thanks YV5FRD!) and still
have a few more to go. =^)
73 and here's hoping your application inbox gets filled!!! =^D
Kevin N4UFO
---------------------------------------------------------------------
AMSAT will now accept LOTW contacts for all of their awards.
We had been trying to figure out a way to do this and it was actually
quite simple as suggested by one of our members.
Log into your LOTW account, click on "Your QSOs". Select the station you
want to include for your AMSAT award. Click on "Details". Use a screen
capture program or Windows Snipping tool and attach that screen shot.
The information displayed contains both callsigns, the DXCC entity, the
Grid Square, the time/date and mode for the contact. Everything we need
for the contact to be accepted.
This will make it easier for everyone to submit for AMSAT awards as they
do not also have to get a hard copy QSL card for their LOTW contacts.
73...bruce
--
Bruce Paige, KK5DO
AMSAT Director Contests and Awards
ARRL Awards Field Checker (WAS, 5BWAS, VUCC), VE
------------------------------
Message: 5
Date: Tue, 28 Jul 2015 08:05:35 +0000 (UTC)
From: Kevin M <n4ufo@xxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID:
<1401180655.3991508.1438070735759.JavaMail.yahoo@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
> Resist any temptation to seal up every crack and crevice of the diplexer.
> be sure to leave a weep hole or a small gap perhaps where your cables come
in through the bottom so moisture can escape.
Cannot agree with the above enough... You NEVER want to try and seal it up
completely; mostly because you can't. (the block of epoxy being the
exception) Warm day, heat beating down on it, cool rain comes, case
temperature drops quickly, air inside will condense and suck a hole in your
weather seal. Now you have moist air trapped inside... no weep holes. It's
the same reason you never seal both ends of hollow feedline.
Are you thinking of using preamps? Then I want to suggest you try TWO
diplexers... one on each feedline before the preamps. The 'unused port' on
each can be capped with a simple antenna connector and a 50 ohm 1/4 watt
resistor across it. Now, need room for all that? How about a tactical gear
case...
I've found the black cases from MCM electronics (~$25) and antenna brackets
at the hardware store (~$5):
http://kb5wia.blogspot.com/2011/01/satellite-antennas-again.html
http://n4ufosat.blogspot.com/2014/11/finally-got-nice-day-without-too-much.htm
l
It's just a suggestion... your mileage may vary, batteries not included,
attempt at your own risk. =^)
73, Kevin N4UFO
------------------------------
Message: 6
Date: Tue, 28 Jul 2015 09:45:24 +0100
From: "Graham Shirville" <g.shirville@xxxxxxxxxx.xxx>
To: "Kevin M" <n4ufo@xxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID: <6B6BD6D5B1C849849691F6CEC2C32928@xxxxxxx.xxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
If you have a preamp in the same "enclosure" then try to keep it powered
24/7...this certainly helps reduce the condensation risk, and, as has been
said before - always have a small drain hole at the lowest point of the
whole thing!
73
Graham
G3VZV
-----Original Message-----
From: Kevin M via AMSAT-BB
Sent: Tuesday, July 28, 2015 9:05 AM
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] duplexer used as a filter
> Resist any temptation to seal up every crack and crevice of the diplexer.
> be sure to leave a weep hole or a small gap perhaps where your cables come
> in through the bottom so moisture can escape.
Cannot agree with the above enough... You NEVER want to try and seal it up
completely; mostly because you can't. (the block of epoxy being the
exception) Warm day, heat beating down on it, cool rain comes, case
temperature drops quickly, air inside will condense and suck a hole in your
weather seal. Now you have moist air trapped inside... no weep holes. It's
the same reason you never seal both ends of hollow feedline.
Are you thinking of using preamps? Then I want to suggest you try TWO
diplexers... one on each feedline before the preamps. The 'unused port' on
each can be capped with a simple antenna connector and a 50 ohm 1/4 watt
resistor across it. Now, need room for all that? How about a tactical gear
case...
I've found the black cases from MCM electronics (~$25) and antenna brackets
at the hardware store (~$5):
http://kb5wia.blogspot.com/2011/01/satellite-antennas-again.html
http://n4ufosat.blogspot.com/2014/11/finally-got-nice-day-without-too-much.htm
l
It's just a suggestion... your mileage may vary, batteries not included,
attempt at your own risk. =^)
73, Kevin N4UFO
_______________________________________________
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: 7
Date: Tue, 28 Jul 2015 09:48:49 +0100
From: Daniel Cussen <dan@xxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID:
<CAF3DnKgadBWu+Zs4gX1_yedz0EZBwLDwZGjmnQo972qG6cvMEA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
For waterproofing I normally use IP67 rated boxes. If you make any
holes in one, all connectors need to be IP67 rated and used within
their specifications for cables.
I normally use M20 electrical cable compression glands for the coax,
but the connector needs to be fitted after putting through the gland.
Always make any holes in the bottom as suggested to stop water running
downwards along the cable
Two other ideas to stop condensation. One is to totally airtight seal
the box and use desiccant. This absorbs moisture in the air, however
if air EVER gets in again, the desiccant will soak up completely then
re-release the moisture again. The trick is to replace the desiccant
every time you open the box. Just keep a spare one in a hot place like
on top of a water heater. Some change colour from white to blue to
indicate if they are full or not. Heating them for example in an oven
removes the moisture and allows them to re-absorb next time. This is a
method used regularly in double glazing. The desiccant is placed in
the frames of the window normally behind an aluminum edging with holes
in it. The inside of the window stays condensation free until there is
a break in the outer edge and the desiccant fills up.
Another method to stop condensation is to heat the inside of the box
continuously. If it is a pre-amp with a voltage regulator then leave
it powered up 24/7 and the wasted heat should keep any moisture
airborne, although depending on the location you may want resistors or
other wasteful heaters to keep the internal temperature always above
ambient outside temperature. A similar thing is done in large security
cameras to stop the glass from ever fogging up. Similar to a rear
window heater on a car.
A lot of amateur outdoor equipment use low quality cases and
waterproofing. I found a barrel type PL259 connector can be good at
stopping one damaged cable from allowing water to feed down a long
coax cable and damaging an entire length of cable. Where possible
solder or remove all connections/connectors so even a little corrosion
won't matter.
Using an IP67 case with a transparent lid is a good way to see if
water is gathering inside or if condensation is forming. Having an LED
on power inputs showing through a clear case is useful to show it is
powered up or the heater is working. Cheap kitchen containers are not
designed for outdoor use and the plastics crack under UV light.
------------------------------
Message: 8
Date: Tue, 28 Jul 2015 05:29:22 -0500
From: Alan <wa4sca@xxxxx.xxx>
To: <kb2m@xxxx.xxx>, "'amsat bb'" <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID: <001c01d0c920$450694a0$cf13bde0$@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Jeff,
I have used a CF-416 for years with no problem. I wrap it with several
turns of bubble wrap, and
secure those with tape or cable ties. I then wrap that with heavy duty
aluminum foil, several turns,
and also secure that. Finally, the top cable is wrapped with several turns
of tape sealing the
junction of cable and foil to prevent water from running down under the
foil. Every 2 years I crack
it open to check it, and replace the sealing material. So far it has kept
the rain out, and prevented
condensation accumulation.
73s,
Alan
WA4SCA
<-----Original Message-----
<From: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx On Behalf Of kb2m@xxxx.xxx
<Sent: Monday, July 27, 2015 7:38 PM
<To: 'amsat bb' <amsat-bb@xxxxx.xxx>
<Subject: [amsat-bb] duplexer used as a filter
<
<I'm trying to setup a remote sat station and need help with a desence
<filter. I was using a Diamond MX72-n and was experiencing water intrusion.
<I then checked the archives and consulted the group and went to the
<recommended Comet CF-416. Guess what, I'm still getting water into the
<duplexer. I thought that it was more suited to outdoor service on the
<recommendation of the group. So, before I take apart one of the duplexers to
<attempt to waterproof, does anyone know of a duplexer that is designed for
<outdoor use on the tower? I really don't have the room for a 12 foot +
<crossboom, so I need to resolve the desence with the duplexer. Any
<suggestions from someone who has solved this?
<
<
<
<73 Jeff kb2m
<
<
<
<_______________________________________________
<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: 9
Date: Tue, 28 Jul 2015 08:04:49 -0400
From: <kb2m@xxxx.xxx>
To: "'amsat bb'" <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] duplexer used as a filter
Message-ID: <049e01d0c92d$9aeed8c0$d0cc8a40$@xxx>
Content-Type: text/plain; charset="us-ascii"
I got a bunch of replies from the group. I thank you all for that. As there
doesn't appear to be a weatherproof duplexer available I ended up taking
the duplexer apart then sealing all openings airtight with silicone leaving
a small hole on the bottom side, the dual lead side. Several suggested some
kind of enclosure I didn't want to go that route as it would just make
another home for the local flying critters. I was also told that it wasn't
water but condensation, I don't think so as both duplexers were completely
full of water, you would think both ends would pass water equally but it
appears that the connector end as opposed to the lead end is the culprit as
the water would get in but then not drain out Another interesting comment
was that there is no weatherproof amateur radio equipment suitable to leave
outdoors, my Landwehr preamps have been outdoors in the open for over 18
years and their doing fine. When I recently moved them to my new QTH all the
markings on them were gone, I had to open one up to positively identify the
2m vs 70cm one. Inside was dry as a bone and no corrosion or rust. :-)
Still looking for someone who has successfully got full duplex remote sat
ops working.......
73 Jeff kb2m
I'm trying to setup a remote sat station and need help with a desence
filter. I was using a Diamond MX72-n and was experiencing water intrusion.
I then checked the archives and consulted the group and went to the
recommended Comet CF-416. Guess what, I'm still getting water into the
duplexer. I thought that it was more suited to outdoor service on the
recommendation of the group. So, before I take apart one of the duplexers to
attempt to waterproof, does anyone know of a duplexer that is designed for
outdoor use on the tower? I really don't have the room for a 12 foot +
crossboom, so I need to resolve the desence with the duplexer. Any
suggestions from someone who has solved this?
73 Jeff kb2m
------------------------------
Message: 10
Date: Tue, 28 Jul 2015 11:32:50 -0600
From: "Scott Smith" <ve6itv@xxxxx.xxx>
To: "Amsat" <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] TS790 radio control now working
Message-ID: <86EF75F755B8477FB3946A8230933ABE@xxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Hi folks, I now have the satpc32 again controlling my TS790. I purchased a
new usb/serial cable from the U.K. downloaded the drivers and it works fine.
This cable is almost half the price of the other one which stopped working.
It only cost 16., Tried it on Fo-29 and it does the job hi hi. 73 de Scott
VE6ITV
------------------------------
Message: 11
Date: Tue, 28 Jul 2015 14:20:58 -0400
From: Nicholas Mahr KE8AKW <nicholasmahr1@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] QIKCOM-2 SPoken Messages (DOVE-17's speech?)
Message-ID:
<CAGu+VYtmumtQ2C2RhHb8sA5EFM2f0swoYP1KiE9XRoXZ66JkOA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Yes, I sometimes go on the DD1US sounds from space page also, it has almost
every satellite you can think of on there. Including UO-11 and UO-9'S
digitalkers http://www.dd1us.de/spacesounds%202b.html .
73's KE8AKW
------------------------------
Message: 12
Date: Tue, 28 Jul 2015 14:49:32 -0400
From: "Michael J. Wolthuis" <wolthuis@xxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] g5400 AZ/EL control
Message-ID: <B189A180-8B9C-4DF7-9339-714D2DB48400@xxxxx.xxx>
Content-Type: text/plain; charset="UTF-8"
I have been out of the SAT new station construction for a while. I use a
Uni_Trac on my station at home and have been for over 6 years.
Now I am building a station for someone else. I need to control a g5400b.
Is the LVB SatTracker from the Amsat store the way to go? Then use Sat32 to
control the radio and the LVB?
Any other ideas would be good, but this is for beginners and needs to be
simple to put together and use. So, prefer not to use the Adrino solution.
Thanks,
Mike
kb8zgl
------------------------------
Subject: Digest Footer
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------------------------------
End of AMSAT-BB Digest, Vol 10, Issue 224
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