Amen, I second that motion...
Third word hams who do not have 70cm rigs can work the sats more easily
(70cm FM gear is very rare here, not to mention SSB)
The 2m uplink is workable with transverters and HF multimode CAT capable
rigs are almost ubiquitous for the 10m downlink
73
El 18/09/13
Yes my friend...
A 2m to 10m full RX/TX transverter is building progress now on this
end... to work AO-7 and others to come...
I hope to finish it by the end of this year...
73 de CO7WT
El 19/09/13 17:39, Andrew Glasbrenner escribió:
AO-7 is in Mode A every other day right now. You can oper
Hi to all... from CO7WT
I will try to be active in the two morning passes of SO-50, it will be
mobile from a outside location as a part of my radio club activities...
(I will be demonstrating satellite communications)
No way of recording so far... I will have a secretary writing down
callsig
Hi to all,
I will be this evening on the 1845 local (2245z) pass of SO-50...
Cheers and 73
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Subscript
Not heard in Orbit 29 at FL11BJ at 0035z
Omni antenna + pream + rtl-sdr, Very low pass, just 7 degrees in the
horizon..
73 from CO7WT
El 21/11/13 06:17, Nick Pugh K5QXJ escribió:
ORS3-2.5C
1 99906U 013324.06862326 0. 0-0 0-0 0 0002
2 99906 40.5214 249.9768 00030
Hi and congratulations again for the FUNCUBE team.
Hi have received AO-73/FUNCUBE with strong signal here in FL11BJ
(Camagüey City, Cuba) around 0350Z of 22/11/2013, that correspond to
orbit #12.
Equipment here is a J-pole 7m height, homebrew LNA (TKS Domenico !!!),
RTL-SDR with Gqrx > file
Hi to all...
Just now I have heard the CAPE-2 sat in Orbit 221 over Camagüey Cuba
(FL11bj) a very good pass (89 degrees) 4 dec 2013 ~1315z
Clean packet 1200 bps signal... I'm runing to get to work and had no
time to setup the decoder...
Hard here is RTL-SDR + LNA + Gqrx + Gpredict for doppl
04/12/13 19:33, Phil escribió:
On 12/04/2013 11:24 PM, Pavel Milanes Costa wrote:
Hi to all...
Hard here is RTL-SDR + LNA + Gqrx + Gpredict for doppler
Hello Pavel,
Just wondering, how you interface Gpredict with Gqrx to control the
tuning? Also, how are you interfacing Gqrx with
PM, Pavel Milanes Costa wrote:
Hi Phil and others.
The last snapshoot of gqrx in the Csete ubuntu ppa is full of new
features, among them is the ability to behave as a generic hamlib
server...
Thank you Pavel for your detailed description. It sounds like Gqrx has
advanced a lot since I compiled
Yes, Omni antenna in 70cm is my head ache now, no rotor yet (arduino is
on his way...)
I just build a QFH + 10dB preamp on the mast and a RTL... testing it yet.
I can copy FO-29 (Beacon and transponder), SO-67 beacon, just heard
xatcobeo with short carrier by times...
Al this above 30 degre
for RH and LHCP..
73 and thanks again
- Mensaje original -
De: Francesco Messineo
Para: Pavel Milanes Costa
CC: AMSAT BB
Enviado: Tue, 07 Jan 2014 03:25:26 -0500 (CST)
Asunto: Re: [amsat-bb] Re: LEO-satellites-antennas... ?
Hi Pavel,
On Tue, Jan 7, 2014 at 2:15 AM, Pavel Milanes Co
Hi, What version do you have?
The latest stable is 0.9 and it's NOT capable of 9600 baud G3RUH
packet... (last checked a few days ago)
There is an early alpha of the 1.0 for testing only and it do have 9600
baud packet, so far the testing here with 9600 bauds is as robust as a
real TNC (KAM
w just froze. I left it open and then tried to engage radio control
through Gpredict and the screen dimmed and would not respond to any
controls other than to shut down the application. Suggestions?
Rick
On Fri, Jun 20, 2014 at 6:07 PM, Pavel Milanes Costa mailto:co...@frcuba.co.cu>> wrote:
El 22/06/14 23:39, Greg D escribió:
Final runstring: rotctld -r /dev/ttyS3 -s 9600 -m 603 -C stop_bits=2 -C
timeout=1
Thanks again,
Greg KO6TH
Yaesu GS232Bfor the record on the maillist
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El 14/08/14 19:30, Rick Tejera escribió:
Just remember these 4 words Hector:
Happy Wife, Happy Life!
I second that affirmation...
That's the secret of my "happy" 4 years marriage with wife & radio...
Hector, take notes...
___
Sent via AMSAT-
Hi to everybody,
I (CO7WT) was active on the midday pass (~1720Z) yesterday...
I tried to make a contact but my RX radio is deaf.. it's a TK-860
channelized commercial radio that shows reduced sensitivity on the ham
band (I know that now...)
I was with an hombrew DK7ZB yagui of 6 elements an
f you want to make a contact.
73
El 06/02/13 10:32, Ing. Pavel Milanes Costa escribió:
Hi to everybody,
I (CO7WT) was active on the midday pass (~1720Z) yesterday...
I tried to make a contact but my RX radio is deaf.. it's a TK-860
channelized commercial radio that shows reduced sensiti
Hi OMs
I (CO7WT) will be active this nigth (12-feb-3012 ~0130Z) on the SO-50
bird. It will be an aprox. 40 degrees pass here, with my setup I have
shure coverage of about 20 degrees and up...
QSL is 100% via manager ( N2CQ ) and will be ready a few days after the
contact.
I'm ready for an
Bad news Raydel...
The Cuban's HAM regulation authority forbid us to TX on the "general"
Satellite segment of 70cm...
I see a battle with ACS coming... hi hi hi (Do you remember the digital
battle, in that we won...)
I will try to search and match some of the recent "future" sats to see
i
To match the Raydel's idea of the Cuban's Satellite setup...
I have write an article in my blog with some pictures of my satellite
setup...
http://co7wt.blogspot.com/2013/02/my-satellite-setup.html
In short (more description and pictures on the blog)
Radios:
- 70 cm channelized Kenwood TK860
This weekend I tested a Quadrifiliar Helicoidal Antenna for 70cm (LHCP)
I designed it by the online calculations of jcoppens on the internet...
It is a 1/2 turn and 1 lambda, about 5 meters of elevation with ~25 cm
of RG-58U (a section of it is coiled to form a balum) and then ~15
meters of A.
Thanks to all for the reply to this thread...
Conclusion is that I need RHCP & LHCP switchable antennas...
And my antenna is working good... but I'm reading an article Art send me
to improve my knowledge about QFHA...
73 and Thanks to all.
El 16/02/13 23:21, Ing. Pavel Mila
grammar in English... hi hi hi..
BTW thanks for the articles of Maxwel and I'm viewing the site right now...
73
El 19/02/13 02:14, i8cvs escribió:
- Original Message -
From: "Ing. Pavel Milanes Costa"
To:
Sent: Monday, February 18, 2013 9:29 PM
Subject: [amsat-bb] Re: QF
parallel port of my PC and the software will be my debut on python
software (learn python is one of my personal goal this year, and this
project is the perfect start...)
just my 5 cents...
73 de CO7WT.
Pavel Milanes Costa.
FL11ai
El 23/02/13 22:41, Lizeth Norman escribió:
Samudra,
This is a
El 24/02/13 16:14, Gus escribió:
So, who is going to take a mouse apart and use the bits to sense AZ/AL
angles on an antenna array?
I have a sacrificed recently a roller-ball mouse from aopen to my az-el
rotor system project...
I'm not decided yet for shaft vs. gray encoders... (gray encode
I can confirm the comments below.
I use a RHCP QFHA and some times I abruptly lost the satellite, most of
the time the fade-out of the signal is pronounced when the sat pass the
TCA and then... you lost it...
This weekend I going to build the LHCP version...
El 04/03/13 11:51, Ib Christoffer
o/amsat-bb
--
Pavel Milanes Costa
Consultor Informático
Consultores Asociados S.A. (CONAS), sucursal Camagüey.
Telef: (32) 29-6344
"Utilizamos Open Source en nuestros servidores porque es una manera más de controlar
nuestro propio destino."
DiB
Hi to all..
Give FLDigi a try, it's a full mode ham radio digi software, and shure,
it has CW...
Plus... it's free software (free as in freedom... )
www.w1hkj.com
73
El 30/03/13 12:46, Lizeth Norman escribió:
Hi all,
My cw is pretty poor. Not up to snuff to copy the hex character groups of
Today night (23-April) around 22:40 pm local or 0240 UTC I will be
calling CQ QST in the ISS digipiter.
This will be a 24 degrees for me, totally workable, an northbound from
continental NA.
I had a lot of work in the back months; now on I will have a liitle more
time to spend on the HF/Sats
Good pass here a few minutes before...
But... nobody listening... maybe they are working the FO-29...
73 de CO7WT
El 22/04/13 18:44, Ing. Pavel Milanes Costa escribió:
Today night (23-April) around 22:40 pm local or 0240 UTC I will be
calling CQ QST in the ISS digipiter.
This will be a 24
Phonesats are alive, packet heard in Cuba (FL11ai), but to low for
decode for me...
Orbit 27, 1250 UTC 23-april-2013
I'm using a RHCP QFA with no LNA and AH-LDF-4
73 de CO7WT.
El 21/04/13 19:07, Samudra Haque escribió:
IF any hams have picked up the beacons, please update the amsat-bb list
w
Next chance for APRS contact via ISS is in about an hour,
I'm sitting in front of the radios, 1733 UTC southbound for the entire
west coast of USA.
I will be there.
73 de CO7WT
El 22/04/13 22:48, Ing. Pavel Milanes Costa escribió:
Good pass here a few minutes before...
But... n
the sats...
recently... even for a 'rare' grid like me... :-) FL11ai
I will be on SO-50 next week...
73 de CO7WT, I will be trying on the ISS from time to time...
Mensaje original
Asunto: ISS pass in minutes...
Fecha: Wed, 24 Apr 2013 22:24:01 -0400
De: Ing. Pavel M
Anyone want to make a APRS packet?
CO7WT will be QRV in 8 minutes on the ISS...
73
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Subscription sett
Hi Les
El 27/05/13 11:10, Les Rayburn escribió:
2.) What frequency should I be looking for the packet signals on?
That will be 145.825 FM, you will find information of the activities of
voice/packet of the ISS visiting this sites:
http://oscar.dcarr.org/index.php
http://www.issfanclub.com/
WOW !
From my modest EIRP calculation via the handbook that will be about
129130 W (129KW) (some error included...)
That's a huge power...
73
El 28/05/13 04:13, M5AKA escribió:
--- On Tue, 28/5/13, i8cvs wrote:
Do you know the EIRP used at 1296 MHz by DJ5AR or by
PA3FXB
Hi Domenico,
DJ
Hi to all.
Forgive my ignorance/lack of internet but, when is the FD?
At this moment ISS packet is the only way of satellite contacs for me
here in FL11 grid.
Depending on the answer I can make a schedule with you and others...
73
El 28/05/13 17:07, Adrian Engele escribió:
Greetings,
I am
The Motorola Solutions Amateur Radio club will be operating K9MOT from
EN52. Let's see what the ISS will do once we get closer to Field Day.
73, Adrian AA5UK
*From:* Ing. Pavel Milanes Costa
*To:* amsat-bb
in power.
The EIRP ( Effective Isotropic Radiated Power) is :
200 W x 794.328 = 158865.647 watt = 159 kW (rounded)
73" de
i8CVS Domenico
- Original Message -----
From: "Ing. Pavel Milanes Costa"
To:
Sent: Tuesday, May 28, 2013 3:20 PM
Subject: [amsat-bb] Re: Internationa
There is no provision or equipment for the job on board.
There is a FM repeater in U/V mode, but last time on for it back a years
from now (2008?)
That time I read in some place of the internet that the FM repeater was
a power hungry device onboard, and that's why it was turned off...
They
"real" ham on the ISS things would be different.
73 Bob W7LRD
*From: *"Ing. Pavel Milanes Costa"
*To: *amsat-bb@amsat.org
*Sent: *Wednesday, May 29, 2013 7:04:23 PM
*Subject: *[amsat-bb] Re: Is there an
Hi Domenico...
Hector as almost any Cuban ham has a c...@frcuba.co.cu address...
So you can send the email to co6...@frcuba.co.cu
73 de CO7WT.
El 01/06/13 01:47, i8cvs escribió:
Hello Hector, CO6CBF
I can't answere to your last email because my server do not accept
your email address and s
El 03/06/13 07:00, M5AKA escribió:
--- On Mon, 3/6/13, K5VOU wrote:
>Possibly because when it is made available, the duty cycle rises
>to near 100% and the unit consumes too much power from the ISS power
>budget.
Hi, I'm baffled as to why you mention the ISS power budget. Do you have any
refe
Yes, me to...
I do have a old Japanese tracking camera mounting also with 24 AC motors
here... 360 degrees azimuth with stop switch on 0 and 360 degrees and
about 0 to 120 degrees of elevation (0 ~ horizon, 90 ~cenit)
Pretty good construction, a ham here in Havana have one the uses to move
This is the link to the system I described in the earlier email
http://www.cbk.waw.pl/~mstolars/projekty/rotor/index_en.html
73
El 07/08/13 19:01, Ing. Pavel Milanes Costa escribió:
Yes, me to...
I do have a old Japanese tracking camera mounting also with 24 AC motors
here... 360 degrees
Ok, I have now a paper design with the goal for my rotor project.
This rotor is really a 0-360o, but I have managed (designed) to make it
full stop on 0-450o (even 540o if I like... with two contact switches
that cuts power to motor when in position) and will use a mixed
reference setup, the s
g KO6TH
Ing. Pavel Milanes Costa wrote:
The "motor running/motor stop" signal will be a current probe on the
AC 24V motor feeding wires down the control, as when the motor reach
0o or 450o it automatically switch's off
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Hi to all, I have my homebrew crossed yaguis working again, prof of that
is the pass of the last Sunday august 12 around 1150 Havana/NY time...
The cell phone (record device) trick me and did not record anything...
so if anyone has the recording of that pass I will appreciate if you
share it w
Hi to all,
In a few minutes there is a pass of SO-50 over my head... I have
promised to be there but there is a bad weather here raining since mid
afternoon...
If the things remain like this I will not be there... sorry...
If there is any las minute chance I will be there...
73 de CO7WT
___
Hi to all,
Everything here is a go for the next SO-50 Pass (2302Z-2312Z
16-august-2013) in just about 2 hours...
In then recent last days Mother Natura trick me with rain on various
SO-50 passes...
Today there is a clean sky and a bright sun here now...
I will work as many stations I can.
manager N2CQ...
I will be in the 0045z pass in less than an hour...
73 from CO7WT.
El 16/08/13 17:29, Ing. Pavel Milanes Costa escribió:
Hi to all,
Everything here is a go for the next SO-50 Pass (2302Z-2312Z
16-august-2013) in just about 2 hours...
In then recent last days Mother Natura trick
This second pass of the night was also good...
Thanks to XE1HG, N5AFV, WA5KBH and CO6CBF... LoTW QSLs are sending now...
Tomorrow I will be on the 1310 pass... and night passes
Please sorry my english, there will be times I will spell your call
wrong, don't worry, I will be recording the pass
Hi to all...
I plan to be on the next SO-50 pass of today (22 august 2013, 2226z - 2240z)
This will be a 75o Elevation pass...
CU on the birds
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