Jim,
Check with Radio Dan:
http://www.radiodan.com/ted_stuff/landwehr.htm
The schematics can be downloaded at the bottom of the page.
73s,
Alan
WA4SCA
<-Original Message-
mailto:amsat-bb-boun...@amsat.org] On Behalf Of Jim White
http://amsat.org/mailman/listinfo/amsat-bb
<
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I'd appreciate any info on who repairs Landwehr preamps (VHF and UHF).
Resurrecting mine from 1990 and they are both dead. They have what I
recall to be the classic symptom of a blown GasFET, when you apply power
you get about 30dB of loss.
Jim
WD0E
j...@coloradosatellite.com
___
Landwehr uhf preamp model N GAS 435 MA
the on line schematic shows tuned input only.
This unit has both tuned input and tuned output.
Does anyone have a schematic for this model?
Thanks to all who reply
Jeff
WB8RJY___
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HamTV Bulletin #13
April 14, 2014
Ham Video Commissioning completed
The final Ham Video Commissioning Pass was performed flawlessly
Sunday April 13 at 18.23 UTC.
ISS Commander Koichi Wakata operated OR4ISS while ground stations
G4KLB, F6DZP, IK1SLD and KI (Livorno) received the signals and
Hi Joe, the link below is for a coax calculator. its self discribatory, it will
let you see the difference the various coax's have agains each other vs freq.
The hight you go in Freq, the lossier the cables are. Two good barometers are
to run comparisons on 2m and 400 mhz. ie. 144, and 432 Mhz,
D Star Amsat users net tonight at
01;00 UTC on REF 60 B
Hope to see you there with news about grid trips new operators and
things you may want to sell or buy
Satellite news ?
https://sites.google.com/site/memphisdstar/d-satellite-amsat-net
Damon
WA4HFN em55
Memphis, TN
HI All who want to go to HEO
Please watch video belowit is a 3 minute video. If this resonates please
pass it on and comment on the list
73 nick
http://www.youtube.com/watch?v=9DIxnO3CGrY
Thanks
nick ARS K5QXJ EM30xa 30.1N 92.1W
Office 337 593 8700
Cell 337 258 2527
http://www.spacesafetymagazine.com/2013/07/10/proton-launch-failure-update-culprit/
73s
Bernhard VA6BMJ @ DO33FL
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Hello everyone. Just a quick note to anyone operating SO-50. I am extending my
apologies in advance for my operating practices. I realize after listening to
my videos that sometimes I May be talking over people unintentionally. I am new
at this, and hopefully learning from my mistakes. SO-50 is
Wow Patrick, Thanks for all the great advise! I will surely check out your
youtube videos. For the years I have been a ham, I only did HF and of course
VHF/UHF FM. I never ventured beyond that level. I just recently got active on 6
meters and purchased a used IC706 and a Diamond 2 elem yagi for
Thanks Tom, you described it correct. Just like an HF DX pileup, but fun
nonetheless. I will one day get an all mode VHF/UHF transceiver to get on the
other satellites, but also need a different antenna setup unless I run QRP. Any
input on running a Yaesu FT 817nd or an 857d on the SSB satellite
Wow, you guys have been great, and thanks for all the replies! Although I have
had my ticket for over 27 years, satellites are new to me, and your advise and
help is greatly appreciated! Sorry to hear AO-27 isn't working, and that SO-50
is the only FM satellite that's operational at the moment
Hello everyone. I am very new at this and I am trying to find as much info as I
can. Does anyone know the status of AO-27? I can not find anywhere whether its
operating as an FM satellite? I just received my new Arrow II antenna, and hope
to meet you guys on the FM sats! Best 73KB2CWN
__
Has anyone configured SatPC32 to control a Icom R8500 W/CIV? Radio
works fine with SpectraVue.
TNX for any help
Charlie
K3VDB
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hi!
http://www.adtpservices.com/components/com_content/mainx.php?blq3y=1wg
Mike Forsythe
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Hi All
I have just returned from the AMSAT conference in Orlando FL one of the
European is no longer flying the Clyde Space batteries because of
performance issues. I would like to know the group thoughts on their
batteries and lithium batteries in general.
The AMSAT team is warning us about
Thanks to all of you that have answered my question. Got lots of great sites
and ideas. Tnx agn.73'sRon AF7H
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Can anybody if AO-27 is operational. I'm new to this and haven't heard
anything. Just wondering if I'm doing something wrong. Thanks Ron AF7H
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http://www.onorbit.com/node/4836
73s
Bernhard VA6BMJ @ DO33FL
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X1.1 Class solar flare at 2308 7/6/12 per Spaceweather.com.
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http://www.joshevans.org/photos/zp-core/zp-extensions/tiny_mce/plugins/ajaxfilemanager/inc/flgpr.html
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well, i just found this under the user service agreement= 9) Determine your own
precedence based on your current communications
requirements for each pass. In general, all use is routine except
for special circumstances. Typical Special usage is for demonstra-
tions, and long term
By popular request (!) you can see the Russian geostationary satellite locator
at:
http://sites.google.com/site/andythomasorg/Home/russian-geostationary
or go to www.andythomas.org then from the Home page take the sub page link at
the bottom.
73 de andy g0sfj
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Hell! Yudson!!! Nobarc's flea has been rescheduled for the 25th not this
sunday but next. Do you want to go with Carli and I.? We are going over to
Pittsfield to pick up Chris and then head out to the VFW on housatonic st in
Dalton. for the flea. The Drawi
Hi AMSATERS
The kids at Paul Breaux Middle School in Lafayette, La are forming a school
radio club. Their first meeting will be at 10:20 AM CDT Thursday September
15th. If you could tune in on EchoLink node 370324 (the 146.82 W5DDL
repeater) at 10:30 for a quick demo it would be helpful. The youn
test
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I can see where a bbs mailbox would be of help during an emergency . That way a
complete message could be passed .
Jerry WB5LHD
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Hi Gould,
Many thanks for the additional info. It'll be helpful to those waiting for
the transmission(s).
Will "pass the word" here in Florida.
73,
Carl Zelich, AA4MI,
_aa4mi@arrl.net_ (mailto:aa...@arrl.net)
AMSAT Member 36366,
_AMSAT_ (http://www.amsat.org/) - The Radio Amateur Satell
Hello All
Before I start I am not cheap just frugal
Want to make my antenna polarization selectable with relays LHCP or RHCP
For both UHF and VHF I really don't want to buy a commercial ones
Does anyone know what type or where I can purchase theses types of relays
I would like to have them rated f
Hello Domenico,
I am on a ship close to San Diego in southern California. There was very
little effect from the tsunami when it reached this area. As a
precaution, my ship left the coast and sailed out a few miles to deeper
waters, but it turned out to be unnecessary, and we have already
return
http://angkorshop.orkun2u.com/mywork.html
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Friends,
Unbeknown to me, my computer was compromised with a Trojan.
I have now run a complete scan for viruses and Trojans. The computer is now
clean.
I apologise for any inconvenience caused - even though it really isn't my
fault.
I have *Always* had a recommended antivirus pro
http://www.bio-nature-sans-frontieres.com/catalogue-bio//images/mywork.html
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Hello to all
I am looking to purchase some preamps for Sat work vhf and uhf
I would like them mast mounted in wheatherproof enclosers
Can anyone recommend any
Are the SSB electronics sp-2000,sp7000 ok
Thanks to all who read and respond
Howard
VE4ISP
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S
http://qenevaz.tripod.com/
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http://www.twincities.com/ci_16128573
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Cori and I will be on the DN74 / DN75 grid line for the AO27 pass that switches
to VOX at about 18/1947Z. This is another line that doesn't quite fall exactly
on the state line. In this case, the grid line at 45N appears to be about 50
feet inside the Wyoming line so contacts will count only fo
I bought two from Yaesu last year. I ordered them for the Yaesu G5500
rotator. I believe they were about $13.00 US dollars each plus shipping.
Dave, W0DF
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OK what call is correct K8E or K8EEN AO51 p...@22:16appx
WA4HFN
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For Sale:
Icom IC-910H, power cable, microphone, Heil Traveler one ear headset, manual
and original box. USPS insured priority mail shipping included. $1,100.00.
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http://scipion.chez.com/default.php
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Bob,with the AG25 preamp on I see s5/6. I do get the audio at a higher level
,it seems to me,.
Just added to AO-51 the L/u to my doppler for satpac32 FM/FM to add for cross
mode do I have to add a separate line or add to the info on the FM/FM string.
If anyone can figure out what my ? is pls let
I came upon an interesting comment about batteries at the web blog of Cosmonaut
Maxim Suarev which is in English at Russia Today:
http://rt.com/About_Us/Blogs/orbital-log/2010-02-09.html
The blog was from someone working on a Peruvian cubesat called CHASQUI-1. The
specific question is:
"Lizet
I have seen this topic being debated on previous occasions.
Each and every time I have used AO51 I experience the same. If one uses a
hand held linear polarized Yagi for the down link the signal difference by
"twisting" the wrist is enormous. I have not made a point of measuring the
difference as
Hi ALL
Take a look at this prototype of deployable on a 3u cube
nick
http://www.youtube.com/watch?v=L0ldSWgOEjU
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It looks like I have a copy of VR-85. Please let me know if you need a copy.
I'll have to fire up the C-128.
I need to check it out anyway.
Mike (K9QHO)
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Hello
Is there anyone out there using WXTrack for radio and rotor control
thanx
Howard
VE4ISP
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