00-150 UK pounds.
> For those who don't know this item, its an az/el rotator controller.
> Feed it keplers on the RS232 input occasionally and it'll track both
> rotators at the right time.
> 73 Richard G3
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Ovie
regulator is producing 6 volts and does not oscillate or
have noise on it. Dig out a DVM and scope to make sure. Those
regulators, if not properly bypassed with a capacitor may oscillate.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407
scillators.
Hi all!
Could I build a microwave receiver for satellite using a yig, mixer, the
appropriate Local oscillator and an SDR dongle for receive of some kind? I
do have an IF filter and so forth.
Norm n3ykf
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Ovied
: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Joe Leikhim
Sent: Friday, January 10, 2014 2:31 PM
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] Re: DTMF on HF?
Since DTMF has two tones for each number, it would seem possible that you
could have some DSP detect the
The software could first solve for one pair of tones then another, then
add or subtract the offset and choose the pair that has the correct
fundamental tones.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
have
hardware that might be able to do this.
Has anybody got the AMSAT-bb daily digest to work through their e-mail
provider other than Gmail?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHI
iOS>
*From: * Joe Leikhim ;
*To: * ; ;
*Subject: * [amsat-bb] Re: Confirm Message (Moderator please help??)
*Sent: * Mon, Dec 16, 2013 9:44:17 PM
I am still not receiving daily digests since Nov 26. Apparently
SPAMCOP has blacklisted it repeatedly. Who is the adminstrator for
AMS
coming spam.
73s,
Alan
WA4SCA
<-Original Message-
mailto:amsat-bb-boun...@amsat.org] On Behalf Of Joe Leikhim
http://amsat.org/mailman/listinfo/amsat-bb
<
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW
more messages from this list until
you re-enable your membership. You will receive 1 more reminders like
this before your membership in the list is deleted.
To re-enable your membership, you can simply respond to this message
(leaving the Subject: line intact), or visit the confirmation page at&quo
o get it going and then branch out. Beware of any utilities to
back up, retune or modify the firmware.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent vi
on.
I probably will not live to see it complete but that is no reason not to start.
The key is to get long lasting orbits with small sats and lots of them.
Sent from my iPad
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhi
eavors.
This might take some work finding correct addresses.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are
+0100
From: Fabiano Moser
Cc: amsat-bb
Subject: [amsat-bb] Re: High orbit satellites?
Message-ID:
Content-Type: text/plain; charset=ISO-8859-1
How manny Amateur Radio whole world can join this Challenge?
What about:
http://www.kickstarter.com
???
--
Joe Leikhim
Leikhim and Associates
I have no interest in this auction other than to bring it to attention
of the group.
http://www.ebay.com/itm/ICOM-IC-970H-VHF-UHF-ALL-MODE-TRANSCEIVER-/181152115852?pt=US_Ham_Radio_Transceivers&hash=item2a2d81ec8c
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Ov
Thinking way outside the box, what about some sort of phased array using
dipoles, which has the boresight synthesized to point at earth. In other
words, don't use fuel to reorient the bird, electronically steer the
phase of the antennas so that earth is in focus.
--
Joe Leikhim
Leikhi
(STK Satellite Toolkit) devised a path circling the moon
which used the lunar gravity to accelerate and return the satellite to
its intended GEO position without depleting much of its limited station
keeping fuel.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Fl
Ditto; here, sounds like an promising direction.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of
http://www.orlandosentinel.com/features/education/os-ucf-nasa-55-million-grant-20130412,0,533426.story
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent
s the analog display
within a degree, so the ST2 knows correctly where the azimuth rotator is
aimed."
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent
FRIDAY, MARCH 1, 2013
1959 GMT (2:59 p.m. EST)
SpaceX founder and CEO's just tweeted: "Pods 1 and 4 now online and
thrusters engaged. Dragon transitioned from free drift to active
control. Yes!!"
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo,
eering%2520on%2520160.pdf&ei=kuQrUbSeOYWc9QSiyoG4AQ&usg=AFQjCNEj96TEqHxWeBEw064CNmkvmUvC8w&bvm=bv.42768644,d.eWU&cad=rja
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
_
To be clear, the side which has the LED's is arranged such that most of
the LED's are nearest one corner. If the LED side is the trailing side
of the vehicle, is it possible the force is corkscrewing the satellite
forward? Any "experts"?
On 2/10/2013 3:35 PM, Joe Leikhi
ookes radiometer.
Its structure is almost symmetry around Z-axis."
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB
when I get it.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member
Domenico;
Your argument certainly makes sense. I think NIST may need to be challenged on
the assertion. Perhaps their report is out of context?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
Cute!
On 1/17/2013 4:15 PM, Mauri Lucca wrote:
www.youtube.com/watch?v=ZAxUb6EPPtY
<http://www.youtube.com/watch?v=ZAxUb6EPPtY>
iz5ovp
maurilu...@tiscali.it <mailto:maurilu...@tiscali.it>
sent by mobile phone
www.qrz.com/db/iz5ovp <http://www.qrz.com/db/iz5ovp>
--
Joe
meters?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join
Thanks; For some reason, I thought 70CM Repeaters were unavailable in
UK, and my W32A might be "contraband". Yes the W32A can work 420-450
MHz, (Mine will :-) ). Yes voice GSM is what we need for the trip. WIFI
will have to suffice for data needs. --- On Fri, 11/1/13, Joe Leikhim
w
my son a used blackberry "world phone" for his trip last year and it
seemed spotty. Maybe he was getting SIM cards for the wrong provider?
Thanks in advance
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
40
d weekend in Vegas with all that stuff."
> >
> > -Original Message-
> > From: amsat-bb-boun...@amsat.org
[mailto:amsat-bb-boun...@amsat.org] On
> > Behalf Of Joe Leikhim
> > Sent: Thursday, December 13, 2012 3:17 PM
> > To: amsat-bb@amsat.org
&g
ood weekend in Vegas with all that stuff."
-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Joe Leikhim
Sent: Thursday, December 13, 2012 3:17 PM
To: amsat-bb@amsat.org
Subject: [amsat-bb] Re: North Korea
Gentleman, gentleman, - No
an...
That is all
K7TRK out
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not a
y the same result as before when I was just going by
the control box readings. I believe the resistance measurements would suggest
that there is not a short in the pot (unless it just happened to be around the
halfway point).
At this point I am not sure what to try next
73 Al W8KHP
--
J
e reading 360 it actually reads 345. Any ideas
on what I should be looking at? Also there is nothing in the manual to suggest
what the ?out voltage adjust? pot is supposed to do. What is its function?
Thank you for any advice.
73 Al W8KHP
--
Joe Leikhim
Leikhim and Associates
Communicatio
The last time I bought some IRC's I was surprised to find later that
they had an expiration date. So I lost money on them. I would NOT be
stocking up on these unless you really expect to use them up.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
f you dont use it for the birds and dont have really good
antenna arrays it is more or less not of a lot of use.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
jleik...@leikhim.com
407-982-0446
WWW.LEIKHIM.COM
___
satellite antennas
Message-ID:
Content-Type: text/plain; charset=ISO-8859-1
Then I guess we won't have to read any more complaining e-mail anymore
John, AG9D
--
Joe Leikhim
K4SAT
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those o
t;messages".
Can someone enlighten me on how this is all supposed to work? I have
read the TRAKBOX documentation, but no "aha moment".
Thanks, even comments from others using TB host mode with other software
is welcomed.
--
Joe Leikhim
Leikhim and Associates
Communications Co
Sorry my bad english, thanks
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an
If there are any hams near to the Wenatchee, WA Area (Latitude (deg):
47.55 Longitude (deg): -120.17), who have roaming capabilities (to
locate interference), VHF antenna, preamp and multi-mode RX and/or
spectrum analyzer,
Please contact me off line.
Thanks
--
Joe Leikhim
Sound familiar?
http://news.yahoo.com/delicate-rescue-saves-stranded-1-7b-us-satellite-144826517.html
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note to GMail Account users. Due to an abnormally high
already have the newer version
with USB interface try it out. Let me know if anything broke, I may be
responsible! But I think it is fine.
If you have a W32A and don't have this SW you are glutton for punishment!
-- Joe Leikhim K4SAT
___
Sent via
Is there a typo in the specs of their 435 and 145 MHz converters? The frequency
stabilities are specified at a whopping 25 ppm.
Sent from my iPod
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join
I think the US itself declined to adhere to this for the latest DOD
global communications satellite. That being said, the FCC has requirements.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note to GMail
e to boost the orbit. Repeat the process up to 5 times. Wow - This is
rocket science!
73,
Joe kk0sd
-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
Behalf Of Joe Leikhim
Sent: Tuesday, January 17, 2012 5:33 PM
To: Ken Ernandes
Cc: amsat-bb@amsat.or
hute. Just as with any fuel, the mass of the
unfired fuel will create mass for the initial firings.
You do have some work to do before you have a practical solution.
Work is done. Took about 4 minutes. Coffee break now!
73, Ken N2WWD
Sent from my iPad
On Jan 17, 2012, at 3:44 PM, Joe Leik
ourse be a lot of heat in the rocket casings that would need to be
dissipated.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note to GMail Account users. Due to an abnormally high volume of spam
originating
Has anyone seen this. I am surprised a shuttle mission permitted this
type of booster. From what I believed, safety concerns prevented most
types of boosters.
http://www.rocketryplanet.com/content/view/3706/30/#axzz1jgQ85qx1
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
other experiments . Something that could serve as a relay as well as a
data collection experiment. For comms, maybe APRS plus some high speed
satellite data uplink, commercial or amateur. Think of it as an ocean
going satellite!
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
11 4:33:44 -0500
From:
To:"amsat-bb@amsat.org"
Subject: [amsat-bb] moderated list
Message-ID:<20111209093344.KKIX1.12900.root@hrndva-web05-z02>
Content-Type: text/plain; charset=utf-8
Anyone else feel the need for a moderated list?
--
Joe Leikhim K4SAT
Leikhim and Associates
For sale on E-bay now. Thanks
http://www.ebay.com/itm/L-L-GRACE-KANSAS-CITY-TRACKER-TUNER-AUTOMATIC-SATELLITE-AMSAT-/160687865768?pt=LH_DefaultDomain_0&hash=item2569be3fa8
--
Joe K4SAT
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of t
on-Azimuth-Military-Canadian-Navy-RCAF-/370523437235?pt=LH_DefaultDomain_2&hash=item5644eaf8b3
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note to GMail Account users. Due to an abnormally high volume of spa
?ViewItem&item=160687355474
Thanks
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Note to GMail Account users. Due to an abnormally high volume of spam
originating from bogus GMail accounts, I have foun
commercial basis that could include a ride
along agreement. This network would of course have to avoid the amateur
frequencies.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
40
Might be of interest to the group:
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20080020389_2008020674.pdf
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
Bob, You might want to consider a Helical antenna for your mobile
station. It would have less wind drag and easier to rotate.
--
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
t;--
Just give up on trying to explain to some of these drivers! They will never
understand what you, Peter and others on here are talking about...
The way the US has "dumbed down" the drivers license requirements produced
them...
--> SNAP<--
--
Joe Leikhim
Leikhim and Associ
I have to laugh whenever I hear that the Ham License was "dumbed down".
Morse Code requires a skill (which I confess I lack), not knowledge.
--
Joe Leikhim
K4SAT
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the auth
might want
to take the math and work out how we could use our sun or moon for a
gain lens for the next OSCAR, and perhaps with a wideband RX experiment.
Secondly, I think SETI can benefit! The topic of "ET" knowing this trick
was suggested.
http://www.centauri-dreams.org/?p=785
aching the south direction.
The comments seem to imply I won't.
Thanks.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via AMSAT-BB@amsat.org. Opinion
Trakbox and need the ADC to center on true north.
Secondly does anyone know if the ruler function in Google Earth points
true north? It seems pretty handy that a fire plug in front of a
neighbors house is at about north point.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
performs CPU temperature monitoring and I forced the
chip VCC higher than normal having RS232 voltage levels presented on its
I/O pins.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
es with
fully retracting with some rotors. Experience good or bad, please share.
Thanks
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via AMSAT-BB@ams
Thanks for the excellent website. I not the motor run capacitor is
viable in the pictures. Probably best to change that when you have gone
to the trouble to disassemble.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
I am trying to reach William Leijenaar PE1RAH
(leijenaarelectron...@yahoo.com) about his U/V 30 KHz linear transponder
model LE005-R2.
I get no response to his e-mails. Is there a better e-mail for him?
--
Joe Leikhim
K4SAT
407-982-0446
___
Sent
Hi Mariano; I stand corrected! I concur that some Americans here in the
states were caught accessing the satellites. What is their motivation?
What dialect are they speaking?
On 7/12/2011 11:14 AM, AMSAT-CT Engineering wrote:
>
> Esteemed colleague Joe Leikhim,
>
> The people as you
a resonant match. Be sure your preamp is a high end model with
coincidentally, " a helical" front end filter.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
_
This sounds like ALE (automatic link establishment). Maybe someone could
write a program using ICOM CI-V commands and embed a PIC processor to
control the radio, provide I/O with the modem and set timing parameters.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo
rs is
that it turns 450 degrees. I don't think the TrakBox can deal with the
conversion of the extra 90 degrees wrapping around (Experts weigh in
here). But you can program the ADC limits so that it will track 0-360. I
don't see any logical reason to change the scale on your azimuth
I have a G5400B AZ/EL rotor which has never had any problems. I am now
reinstalling after being QRT for a long while. Is it possible to crack
these open for simple inspection and a preventative greasing or am I
facing a major tear-down?
--
Joe Leikhim
Leikhim and Associates
Communications
ecall, the program would report the age of the KEPs on screen. Does
>> anyone remember how to bring this up? I can't make it show up. Thanks.
>
>
>
> Select the one you want to know the age of, and set it as active
> satellite. It then shows age of keps bottom left
I have just reinstalled LOGSAT and Y2k upgrade after a hiatus. If I
recall, the program would report the age of the KEPs on screen. Does
anyone remember how to bring this up? I can't make it show up. Thanks.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Fl
because I thought
> they were "big enough" for the project I had intended to build in them.
> 73, Jim
>
> On 03/14/2011 08:13 PM, Joe Leikhim wrote:
>> Paul;
>> Check the electrical departments at Home Depot and Lowes for inexpensive
>> plastic boxes made by Carlt
xtract 15V DC from the
coax to run a gasfet preamp and a WJ 28 dB gain T08 amplifier.
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via AMSAT-BB
I gave had good luck with the AG-25 and AG-35 used with my IC-970A.
Except for one incident when I was keyed down and switched the satellite
mode switch and zapped the AG-25. Apparently the internal sequencer did
not expect me to do that.
--
Joe Leikhim
Leikhim and Associates
Communications
I am looking for an M2 2MCP14.
Contact me directly. Thanks
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via AMSAT-BB@amsat.org. Opinions expressed are
? Is it still going on?
From that I started hearing various channels of Fleetsatcom between 250
and 270 MHz, loud and clear with the same setup.
> >"The record holder appears to be ATS-3 still nominally operational after an
> >amazing 41 years!"
That's impressive!
-
3.html
> 73, Jim KQ6EA
>
>
>
> On Apr 28, 2010, *Joe Leikhim* wrote:
>
> I have found a number of the model Galaxis Space Scanner ACU
> Labeled as
> being made by FutureTrak Intl, and having Lockheed-Martin
> manufacturer
> labels. Thes
r Ham Sats.
Does such information still exist?
--
Joe Leikhim
Leikhim and Associates
Communications Consultants
Oviedo, Florida
www.Leikhim.com
jleik...@leikhim.com
407-982-0446
___
Sent via amsat...@amsat.org. Opinions expressed are those of the a
Auto-Tune
in music. Personally, I find it irritating. Then it occurred to me that
I had proposed on this BB a long time ago that it would be nifty to have
a DSP (Like Timewave DSP-599) that would correct for doppler. Has
anyone tried Auto-Tune to correct doppler on a linear transponder?
--
Joe Le
80 matches
Mail list logo
