[amsat-bb] Re: 10GHZ trabsceiver

2009-05-28 Thread i8cvs
only for receiving and actually with the poor solar activity of only 67 sfu at 10.7 cm I do receive about 4 dB of (S+N)/N of Sun-Noise 73" de i8CVS Domenico - Original Message - From: "Luc Leblanc" To: Cc: Sent: Thursday, May 28, 2009 5:08 AM Subject: [amsat-bb] 10

[amsat-bb] Re: 2.4 Gig

2009-06-01 Thread i8cvs
ystem Temperature of the system of about 72 kelvin I was in condition to day to get about 3.4 dB of Sun-Noise as the included diagram showes. The signal radiated by AO-51 is too strong to evaluate if your 2.4 GHz receiving system is in good shape or not. 73" de i8CVS Domenico - Original Message

[amsat-bb] Re: How you do DOPPLER correction in Linear Transponders?

2009-07-02 Thread i8cvs
tion in contact with me moves up or down I invite the operator to move the VFO of his TX to come again in my constant receiving frequency. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMS

[amsat-bb] Re: The Moon is our Future

2009-07-02 Thread i8cvs
s can be reversed from Vertical to Horizontal polarization so that at least on the earth circular RHCP and LHCP switchable polarization is recommended. Best 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the

[amsat-bb] Re: Lunar link budget

2009-07-03 Thread i8cvs
ward the earth and who will compensate the pointing to follow the libration movements of the moon ? 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to suppo

[amsat-bb] Re: The Moon is our Future

2009-07-03 Thread i8cvs
an IF window 10 time greater i.e. 250 KHz to accomodate more stations at the same time than the Lander transponder must have the capability to get around 100 watt wich is out the WF1F specifications. 73" de i8CVS Domenico - Original Message - From: Joe To: i8cvs C

[amsat-bb] Re: The Moon is our Future / antennas

2009-07-04 Thread i8cvs
Hi David, G0MRF The following article from G3RUH is a good additional answere to your message. http://www.amsat.org/amsat/articles/g3ruh/110.html I have extracted from it the most important following part: 73" de i8CVS Domenico Extracted from G3RUH article "THE EARTH MOVES" >

[amsat-bb] Re: ILN... Is this our future ride to the moon? MM

2009-07-06 Thread i8cvs
team. 73" de i8CVS Domenico - Original Message - From: "MM" To: ; "Armando Mercado" Sent: Monday, July 06, 2009 2:53 PM Subject: [amsat-bb] ILN... Is this our future ride to the moon? MM Yes Exactly! We need to form a proposal team that can evaluate the d

[amsat-bb] Re: G5500 Rotor Drift Issue

2009-07-13 Thread i8cvs
oscillations at the regulator output. 73" de i8CVS Domenico - Original Message - From: "Mark Spencer" To: Sent: Monday, July 13, 2009 8:42 PM Subject: [amsat-bb] G5500 Rotor Drift Issue > There have been a couple of recent posts about a G5500 voltage drift issue &g

[amsat-bb] Re: Polarity switching question

2009-07-13 Thread i8cvs
t. I hope this helps. 73" de i8CVS Domenico - Original Message - From: To: "amsat-bb" Sent: Monday, July 13, 2009 4:51 PM Subject: [amsat-bb] Polarity switching question > I recently obtained a pair of KLM yagi's for satellite work. They both have the KLM po

[amsat-bb] Re: Avoiding statics on helix antennas

2009-08-05 Thread i8cvs
wavelenght of coax line thing do not changes because a 1/2 wavelenght of transmission line represents a full turn of the Smith Chart. Do it as suggested by the Handbook ! 73" de i8CVS Domenico - Original Message - From: "Lars Petersen" To: Sent: Tuesday, August 04, 2009

[amsat-bb] Re: Avoiding statics on helix antennas

2009-08-07 Thread i8cvs
Hi Joe WB9SBD The ARRL Handbook explain that you must consider the velocity factor.To put a shorted quarter-wave coax line at the converter input as a short for the statics is easer than to find out from where the statis came from ! 73" de i8CVS Domenico - Original Me

[amsat-bb] Re: Avoiding statics on helix antennas

2009-08-08 Thread i8cvs
hanges because a 1/2 wavelenght > of transmission line represents a full turn of the Smith Chart. Do it as > suggested by the Handbook! (I8CVS) > This one is a good method because the input stage do not see the very high impedance of the shorted quarter-wave coax line so that the original Noi

[amsat-bb] Re: Antenna project with 2 ELK antennas

2009-08-08 Thread i8cvs
one horizontal what type of polarization you plan to get ? 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Su

[amsat-bb] Re: rotator questions

2009-08-13 Thread i8cvs
repeating time to time the above procedure and knowing the actual Sun's sfu it is possible to monitor the state of healt of our receiving system. By the way without an HEO satellite using 2400 MHz the above procedure is as well a little and interesting Radioastronomy exercise. Best 73"

[amsat-bb] Re: rotator questions

2009-08-15 Thread i8cvs
Hi Dave, K4DLG Very interesting experiece. Do you remember the radar receiving frequency and the gain of the radar antenna in the plain of Azimuth ? Tanks for your answere. 73" de i8CVS Domenico - Original Message - From: "David Gendle" To: Sent: Saturday, August 1

[amsat-bb] Re: You learn something new every day...

2009-08-20 Thread i8cvs
must apply the necessary corrections. 73" de i8CVS Domenico - Original Message - From: "N0JY" To: Sent: Thursday, August 20, 2009 2:51 AM Subject: [amsat-bb] You learn something new every day... > Hello AO-51 V/S gang! > > I've been on the past couple of

[amsat-bb] Re: KLM 2M 22C

2009-08-20 Thread i8cvs
Hi Luc, VE2DWE I am using a KLM 2M 22C and in my boom no pre drilled hole was missed.In a separate e mail I will send to you a picture of my assembly. Best 73" de i8CVS Domenico - Original Message - From: "Luc Leblanc" To: Cc: Sent: Thursday, August 20, 2009 5:43 AM

[amsat-bb] Re: Difference between Yaesu G5400, G5600 and G5500

2009-08-21 Thread i8cvs
e capacitors are relatively big in size I suspect that there is no room to put them into the controller and if so they should be connected outside the controller across the above mentioned terminals. The rest of the controller don't need modifications. In a separat

[amsat-bb] Re: Semi-remoting the controller for a Yaesu G5400

2009-08-23 Thread i8cvs
adjustement of the control box installed in the shack will be easier then walking from the shack to the garage after any turn of screwdriver. Why to complicate the life with not necessary and more costly Semi-remoting solutions if 50' of additional control cable costs less ? 73

[amsat-bb] Re: New ICOM VHF / UHF / SHF Radio

2009-08-23 Thread i8cvs
Hi Simon, HB9DRV What about birdies in the IC-9100 in comparison with TS-2000X ? What the actual quotation of a IC-9100 in comparison to a TS-2000X ? 73" de i8CVS Domenico - Original Message - From: "Simon (HB9DRV)" To: Sent: Saturday, August 22, 2009 10:29 AM Subject

[amsat-bb] Re: My visit to Ham Fair Tokyo and joining JAMSAT booth

2009-08-23 Thread i8cvs
us know your opinion about. Tanks and 73" de i8CVS Domenico - Original Message - From: "William Leijenaar" To: Sent: Sunday, August 23, 2009 6:38 PM Subject: [amsat-bb] My visit to Ham Fair Tokyo and joining JAMSAT booth Hello (J)AMSATs, Today was the last day of

[amsat-bb] Re: Don't Fly SuitSat2 to ISS (rebuttal)

2009-08-24 Thread i8cvs
in condition to create all existing amateur OSCAR satellites beginning from OSCAR-6 to OSCAR-10 and OSCAR-13 ? ? Just curious to know 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMS

[amsat-bb] Searching for k3PGP

2009-08-24 Thread i8cvs
Hi All, in the list I am in need to contact the very popular EME'r John J. Yurek K3PGP but I got no answere to many email send to my friend. If someone lives close to Irvin, PA 15642 and know him please let me know if is still there or not. Tanks for any help. 73" de i8CV

[amsat-bb] Fw: Searching for k3PGP

2009-08-25 Thread i8cvs
Hi Kevin, Your comcast.net don't like my tin.it ! 73 de i8CVS Domenico - Original Message - From: "i8cvs" To: "Kevin Smith" Sent: Tuesday, August 25, 2009 11:16 AM Subject: Re: [amsat-bb] Searching for k3PGP > Hi Kevin, N3HKQ > > Tank you for your

[amsat-bb] Fw: Searching for k3PGP

2009-08-25 Thread i8cvs
Hi Kevin, My email to you at kevin.j.sm...@comcast.net has been rejected by your provider and so here is my replay to you. 73" de i8CVS Domenico - Original Message - From: "i8cvs" To: "Kevin Smith" Sent: Tuesday, August 25, 2009 11:08 AM Subject: Re: [amsa

[amsat-bb] Re: 23Cm Up converter

2009-08-25 Thread i8cvs
850,00 Euro's and perfectly working. 73" de i8CVS Domenico - Original Message - From: "IK1ZQJ Mario" To: Sent: Tuesday, August 25, 2009 11:57 AM Subject: [amsat-bb] 23Cm Up converter > Hello Folks, > To work in uplink on the L band without a dedicated radio able

[amsat-bb] Re: Azimute pointer on a G-5600 gives a wrond value

2009-08-25 Thread i8cvs
input of the regulator and you can check it measuring the voltage at pin 7 of the 8 pin external control connector because pin 7 is directly connected to the regulator input. Have fun 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Op

[amsat-bb] Re: 23Cm Up converter

2009-08-25 Thread i8cvs
- Original Message - From: "IK1ZQJ Mario" To: "AMSAT-BB" Sent: Tuesday, August 25, 2009 9:16 PM Subject: [amsat-bb] Re: 23Cm Up converter > Hello Domenico I8CVS > Coming back to the transverter, do you think that the IF in VHF is > suitable also when I&#x

[amsat-bb] Re: Azimute pointer on a G-5600 gives a wrong value

2009-08-25 Thread i8cvs
- Original Message - From: "PE0SAT" To: "i8cvs" Cc: "AMSAT-BB" Sent: Tuesday, August 25, 2009 9:38 PM Subject: Re: [amsat-bb] Azimute pointer on a G-5600 gives a wrong value > > On Tue, August 25, 2009 19:45, i8cvs wrote: > > > > Connec

[amsat-bb] Re: 10 GHz and 24 GHz systems?

2009-08-28 Thread i8cvs
Hi Bob, WB4APR Kuhne Electronic has modules for 10 , 24 , and 47 GHz email: kuhne.db...@t-online.de Internet site: www.db6nt.com 73" de i8CVS Domenico - Original Message - From: "Robert Bruninga" To: Sent: Friday, August 28, 2009 3:24 PM Subject: [amsat-bb] 10

[amsat-bb] Re: VO52

2009-09-02 Thread i8cvs
Hi All, VO-52 is widely used in Europe with a lot of CW and SSB stations in any orbit. VO-52 seems to be here the preferred satellite along with FO-29 when she was alive. OSCAR-7 is also widely used in mode-A and mode-B 73" de i8CVS Domenico - Original Message - From: "Glenn

[amsat-bb] Re: Trolls on the -bb

2009-09-03 Thread i8cvs
ains, on desk and on papers. > 73, > > John > KD6OZH 73" de i8CVS Domenico > - Original Message - > From: "Luc Leblanc" > To: > Sent: Wednesday, September 02, 2009 02:42 UTC > Subject: [amsat-bb] Re: Trolls on the -bb > >> I know AMSAT h

[amsat-bb] Re: FO-29 schedule

2009-09-04 Thread i8cvs
Hi Mineo, Why only over Japan ? 73" de i8CVS Domenico - Original Message - From: "Mineo Wakita" To: Sent: Friday, September 04, 2009 4:58 PM Subject: [amsat-bb] FO-29 schedule > 4 Sep 22:45UTC > 5 Sep 21:50UTC >

[amsat-bb] Re: Cubesat launch Sept. 23rd

2009-09-15 Thread i8cvs
Hi Wouter, PE4WJ What about DELFI - C3 for the promised amateur use ? 73" de i8CVS Domenico - Original Message - From: "Wouter Jan Ubbels" To: "amsat...@amsat. Org" Sent: Tuesday, September 15, 2009 7:02 PM Subject: [amsat-bb] Re: Cubesat launch Sept. 23rd

[amsat-bb] Re: accidental satellite ops

2009-09-18 Thread i8cvs
s far I know the 2304.1 MHz transmitter on board of OSCAR-7 was only a beacon and not a transponder. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the

[amsat-bb] Re: Cushcraft A432-20T

2009-09-18 Thread i8cvs
) you will experience very high losses in 70 cm In a separate email I have sent to you the schematic diagram for the phasing harness and while it is for the A144-20T the concept is the same 73" de i8CVS Domenico - Original Message - From: "Luc Leblanc" To: Cc: Sent: Fr

[amsat-bb] Keps for AO40

2009-09-19 Thread i8cvs
WA5QDG Fort-Worth,TX There is someone that time to time is listening for a possible AO40 awakening ? Tanks and 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join n

[amsat-bb] Re: A432-20T AXIAL RADIATION???

2009-09-19 Thread i8cvs
components with a resultant linear radiation in between shifted by 45° or 135° wich amplitude is 1.41 time greater. > > Luc Leblanc VE2DWE > Skype VE2DWE > www.qsl.net/ve2dwe > DSTAR urcall VE2DWE > WAC BASIC CW PHONE SATELLITE > 73" de i8CVS Domenico _

[amsat-bb] Re: A432-20T AXIAL RADIATION???

2009-09-19 Thread i8cvs
nferences and pich angles the helix antenna radiates in a direction perpendicular to the boom and this is called normal mode of radiation. Read ANTENNAS by John Kraus edition 1950 chapter-7 the helical antennas Sec.7-13 page 206 By the way the above radiation has nothig to d

[amsat-bb] Re: Antenna Polarization

2009-09-25 Thread i8cvs
ers with characteristic impedance of 36 ohm each and 14 N/m male connectors so that the total losses of the system are too high. I suggest to switch from RHCP to LHCP over the same receiver using only a coax relay as described in all antenna books of the ARRL or into &qu

[amsat-bb] Re: Arrow antenna reconfiguration results - UPDATE

2009-09-25 Thread i8cvs
Pavel Zanek OK1DNZ Loss = 0.15 dB at VHF and 0.40 dB at UHF Insulation VHF/UHF = 70 dB Max RF power at VHF or UHF or VHF/UHF = 100 watt CW at 25° 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the autho

[amsat-bb] Re: quadrafilar helix for 70cm- ambiguous design specs

2009-09-29 Thread i8cvs
Read please the book "REFLECTION" Transmission Lines and Antennas by M. Walter Maxwell, W2DU Chapter 22 The Quadrifilar Helix Antenna pages 22-1 to 22-23 and also "Experimental Investigation of Quadrifilar Helix Antennas for 2400 MHz" The AMSAT Journal May/June 2004 In a separate email I

[amsat-bb] Re: quadrafilar helix for 70cm- ambiguous design specs

2009-09-30 Thread i8cvs
Hi Frank, KB1QZH The best starting point is the original article of the inventor of QHA i.e Walter Maxell, W2DU In a separate email I have attached the above fundamental article. 73" de i8CVS Domenico - Original Message - From: "Franklyn A. Ballentine, jr" To: "i

[amsat-bb] Re: quadrafilar helix for 70cm- ambiguous design specs

2009-10-01 Thread i8cvs
Hi Art, KC6UQH I would like to receive from you copy of the Microwave Journal December 1970 Pgs 49-54 By Doctor CC Kilgus about the QFH Antennas. Tanks 73" de i8CVS Domenico - Original Message - From: "Art McBride" To: "'i8cvs'" ; "'AMSA

[amsat-bb] Re: KLM 2M-14C

2009-10-02 Thread i8cvs
Hi Jim KQ6EA I suggest you don't sell the KLM 2M-14C because in my experience it is a very very nice antenna. 73" de i8CVS Domenico - Original Message - From: "Jim Jerzycke" To: "AMSAT-BB" Sent: Saturday, October 03, 2009 3:16 AM Subject: [amsat-bb]

[amsat-bb] Re: AO-51 L/S?

2009-10-05 Thread i8cvs
00 MHz 10.7 cm as requested by NOISE.EXE is: http://www.swpc.noaa.gov/ftpdir/indices/DSD.txt 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the

[amsat-bb] Re: NF

2009-10-05 Thread i8cvs
x 10) x 20 NF= [ 10 log - ] + 174 = 5.14 dB dB10 2400 x 10 A Noise Figure NF = 5.14 dB in SSB with preamplifier ON is a good value. 73" de i8CVS Domenico - Original Message - From: "Fitri Rahmawati&q

[amsat-bb] Re: accidental RF into wrong cable of Arrow=bad duplexer?

2009-10-11 Thread i8cvs
a very high VSWR in both bands VHF and UHF but no damage will involve the receivers. Best 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur sat

[amsat-bb] Re: KLM 2M-14C...waterproof the polarity switch?

2009-10-13 Thread i8cvs
arate email I have sent to you a zipped file with several pictures depicting the above modification. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the ama

[amsat-bb] Re: Filters and Preamps Question

2009-10-19 Thread i8cvs
ass all the transmitter power and particularly it must be tuned in such a way as not to introduce a high VSWR into the TX transmission line. Best 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author.

[amsat-bb] Re: Making a Circular Polarized antenna

2009-10-25 Thread i8cvs
right and left at the same time both fields cancel out. 73" de i8CVS Domenico - Original Message - From: "Greg D." To: ; Sent: Sunday, October 25, 2009 8:45 PM Subject: [amsat-bb] Re: Making a Circular Polarized antenna > > Interesting visual program! But, I don&

[amsat-bb] Re: TS-790 and sat comunication

2009-10-26 Thread i8cvs
both for TX or RX but the SUB band can be used only for RX 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscript

[amsat-bb] Re: requesting help on a RF link solution (imaginary ka-bandlink!)

2009-10-27 Thread i8cvs
9 Hz the free space distance at which the signal is received with a S/N ratio = + 4.5 dB is only 61.000 km so that your hypothetical system is not suitable for the NASA MRO Ka-band experiment because the distance Earth to Mars is about 1 AU i.e. 1 Astronomical Unit corresponding to 149 Million

[amsat-bb] Re: requesting help on a RF link solution (imaginary ka-bandlink!)

2009-10-28 Thread i8cvs
liography. In AMSAT-BB I follow your experimental activity particularly into the S band.....congrats ! Best 73" de i8CVS Domenico - Original Message - From: Bob- W7LRD To: i8cvs Sent: Wednesday, October 28, 2009 3:23 AM Subject: Re: [amsat-bb] Re: request

[amsat-bb] Re: using a microsat as a potential high altitude VHFreflector

2009-10-28 Thread i8cvs
ecting surface of the above passive satellite a very very high EIRP at 960 MHz and 2390 MHz using big dishes. The experience gained with the passive ECHO satellites demonstrates that they are not convenient at all so that the project was soon abandoned. 73" de i8CVS Domenico __

[amsat-bb] Re: using a microsat as a potential high altitudeVHFreflector

2009-10-29 Thread i8cvs
d to use a powered active repeater. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

[amsat-bb] Re: Yaesu G 5400 elevation rotator quit working

2009-10-29 Thread i8cvs
teeths of the bearing holder. My modified rotator without the bearing holders and more balls is actually running with no problems from several years now. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of th

[amsat-bb] Re: Searching AMSAT-bb archives

2009-10-31 Thread i8cvs
Hi Dave, W8AAS The AMSAT-BB archive is here: http://www.amsat.org/amsat/archive/amsat-bb/index.html 73" de i8CVS Domenico - Original Message - From: "Dave Taylor" To: "amsat" Sent: Saturday, October 31, 2009 9:20 PM Subject: [amsat-bb] Searching AMSAT-bb

[amsat-bb] Re: Do you have Documentatoin for Cushcraft Antennas

2009-11-02 Thread i8cvs
are from KLM and not from Cushcraft By the way I have the manuals for the KLM 435 40CX and KLM 2M 14C that are very similar to your models. If I can be of any help to connect the polarity switches please let me know 73" de i8CVS Domenico __

[amsat-bb] Re: OSCAR Polarphaser anyone ?

2009-11-04 Thread i8cvs
er in 2 meters downlink with HEO satellites OSCAR-10 and OSCAR-13 because as they were stabilized the rate of change of polarization was very very slow. I suggest you to save your polarphaser for P3-D 73" de i8CVS Domenico - Original Message - From: "Dave Aitch" To

[amsat-bb] Re: Please help me design a polarity switcher...

2009-11-04 Thread i8cvs
B2IOL Hi Elan, WB2IOL Read please the article " Switching Four Polarizations on a 70 cm Crossed Yagi " Part-1 AMSAT-Journal March/April 2007 Part-2 AMSAT-Journal May/June 2007 In a separate email I have sent to you a pdf file for both articles. 73" de i8CVS Domenico _

[amsat-bb] Re: SO-67 activation: 7/8 Nov 2009

2009-11-08 Thread i8cvs
ndilasat1.mp3 No one QSO was made ! What do you think about to waste 5 watt into a single channel FM instead to spread it into a 150 KHz bandwidth of a linear transponder ? 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expr

[amsat-bb] Re: Linear transponder versus FM transponder for LEO satellites

2009-11-09 Thread i8cvs
Hi Joe, WB9SBD The problem here with many new and young satellite operators is like to have many young sparrow that don't know how good is the flavour of wheat 73" de i8CVS Domenico - Original Message - From: "Idle-Tyme" To: "OZ1MY" Cc: "AMSAT-BB&

[amsat-bb] Re: Yagi balance point

2009-11-10 Thread i8cvs
a. The lenght of the boom between the rear reflector and the rear dipole is more than enough to get the needed counterweight. Drill a hole into the boom and slip into it a bolt passing through the conterweight and put again the reflector into the original hole. 73" de i8CVS Domenico

[amsat-bb] Re: AMSAT NextGen Program Progress

2009-11-11 Thread i8cvs
> > Robert WB5MZO > Hi Robert, WB5MZO And what about the previous project for EAGLE ...it died ? 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join n

[amsat-bb] Re: SO-67

2009-11-12 Thread i8cvs
beacon or another mode except a V/U repeater. The Uplink is 145.880 MHz FM and Downlink is 435.350 MHz FM 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now

[amsat-bb] Re: Satellite Thermal Lesson

2009-11-18 Thread i8cvs
Hi Bob, WB4APR Very interesting ! 73" de i8CVS Domenico - Original Message - From: "Robert Bruninga" To: Sent: Wednesday, November 18, 2009 3:34 PM Subject: [amsat-bb] Satellite Thermal Lesson > Lesson learned on Satellite Thermal. > > For years, we have be

[amsat-bb] Re: Running Power to the Polarity Switch

2009-11-19 Thread i8cvs
n the -12vDC on the coax if that is the reason > why this was designed this way. > To run power supply to the above relay I have used a coax cable RG-58 The inner conductor for +12 volt DC and the braid for -12 Volt DC > > Pointers and suggestions welcome. > > 73, David >

[amsat-bb] Re: SO-67 schedule: 21/22 Nov 2009

2009-11-21 Thread i8cvs
Hi Jan-Albert, ZR1JAK Yes...but over Europe after 3 seconds from an over you will find a minimum of 30 italian people on this list calling CQ at the same time. 73" de i8CVS Domenico - Original Message - From: "Jan-Albert Koekemoer" To: Cc: Sent: Friday, Novembe

[amsat-bb] Re: Help with Yaesu g5500

2009-11-23 Thread i8cvs
hen your ohm-meter will jump measuring the capacity of the AC capacitor. This is what I would do easy and fast in your situation. Have fun 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an

[amsat-bb] Re: NASA 2 Line via mail?

2009-11-24 Thread i8cvs
//celestrak.com/ Only for the amateur satellites here http://celestrak.com/NORAD/elements/amateur.txt If you need the amateur satellites keplerian elements sent by email to your address you can subscribe at no cost to the folloving AMSAT direction. http://www.amsat.org/mailman/listinfo/keps 73&quo

[amsat-bb] Re: AMSAT Awards

2009-11-25 Thread i8cvs
# 3 KG4TM # 4 DL5OAA # 4 VE7CLD # 5 K5NO # 5 DL0WH / DF7IT # 6 W7ID / AA7FV # 7 KC0TO # 8 PA3EON # 9 PA2CHR # 10 DL0WH / DF7IT # 11 DJ1PJ / C6A # 12 PA0JMV # 13 N4SU # 14 KO4HD # 15 WB5UUK # 16 OH5LK # 17 AA7FV # 1

[amsat-bb] Re: NASA 2 Line via mail?

2009-11-25 Thread i8cvs
orbital path. Yes...no computers at all in the Ham shack at that time but manual tracking using a map a pencil and a clock was a beginning very useful and exciting. 73" de i8CVS Domenico - Original Message - From: "J.D. Smith" To: Sent: Tuesday, November 24, 2009 11:15 PM

[amsat-bb] Re: ZRO Award -- Correction

2009-11-25 Thread i8cvs
r on April 2, 1993 just after the test March-May 1993 It would be interesting to know if someone has a list for ZRO test made during 1994-1995 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the auth

[amsat-bb] Re: AMSAT Awards

2009-11-25 Thread i8cvs
Hi Joe, KA0YOS It would be interesting to know if someone has a list for ZRO test made during 1994-1995 In your previos massage you says to have Mode-B # 24 and now you says # 27 By the way I have uptodate my list with your previos # 24 After checking please let me know. 73" de

[amsat-bb] Re: 70cm preamp

2009-11-26 Thread i8cvs
Hi Michael Chen, BD5RV/4 Look here http://www.kuhne-electronic.de/en/3_Startpage http://www.eham.net/reviews/detail/4156 73" de i8CVS Domenico - Original Message - From: "Michael Chen" To: "amsat-bb" Sent: Thursday, November 26, 2009 8:03 PM Subject: [ams

[amsat-bb] Re: Distance records for LEO's.

2009-11-26 Thread i8cvs
Hi John, LA2QAA For distance record on AO-7 look also at http://sv1bsx.50webs.com/oscardx/ao7-dx.html 73" de i8CVS Domenico - Original Message - From: "john hackett" To: Cc: ; Sent: Thursday, November 26, 2009 10:52 AM Subject: [amsat-bb] Distance records for LEO&#

[amsat-bb] Re: 70cm preamp

2009-11-27 Thread i8cvs
mplifier without to have a Noise Figure Meter or a SINAD meter is like to walk blindly. 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

[amsat-bb] Re: SO-67 28Nov2009 1340-1345z

2009-11-28 Thread i8cvs
e satellite schedule for today and tomorrow. But supposing that the users don't agree with the suggestion of regional coordinators i wonder where to address a complain. As far I know the list of regional coordinators has not been yet released. 73" de i8CVS Domenico

[amsat-bb] Re: new sat

2009-11-28 Thread i8cvs
the characteristics of satellite XW-1 look here http://www.amsat.org/amsat-new/satellites/satInfo.php?satID=116 By the way I don't think the satellite has been already launched because it was scheduled for december 2009 73" de i8CVS Domenico ___

[amsat-bb] Re: morning pass AO-51

2009-11-30 Thread i8cvs
i.e. it is unviable. I know that you will complain with my statement and the Spanish autorities but if you don't like the Spanish or Sardinia interference over AO-27, AO-52 and SO-50 you must pull for only one HEO and not for many supersensitive LEO's 73" de i8CVS Domenico - Or

[amsat-bb] Re: Netbooks

2009-12-04 Thread i8cvs
pedestal + antennas and tranceivers >From your picture I realize that you where full loaded with the antennas in your hands and the equipments into your bag I hope to make another try when FO-29 will be reactivated in 2010 .Well done Tony look for a way to lighten

[amsat-bb] Re: G5400 Elevation Rotor Opened up

2009-12-06 Thread i8cvs
same problem few years ago. 73" de i8CVS Domenico - Original Message - From: "John" To: Sent: Sunday, December 06, 2009 5:04 AM Subject: [amsat-bb] G5400 Elevation Rotor Opened up > I opened up the G5400 elevation rotor. > > All the bearings and gears look good.

[amsat-bb] Re: G-5500 problem

2009-12-10 Thread i8cvs
capacitor C 35 to produce a 90° phase shift between both windings. 73" de i8CVS Domenico - Original Message - From: "Paul Baldock" To: Sent: Thursday, December 10, 2009 3:22 AM Subject: [amsat-bb] G-5500 problem > I have a G-5500 that sometimes will not turn clock

[amsat-bb] Re: G-5500 problem

2009-12-10 Thread i8cvs
better is the old KR-500 with it's capacitor inside the control box. By the way.problem solved ! 73" de i8CVS Domenico - Original Message - From: "Paul Baldock" To: "i8cvs" ; Sent: Friday, December 11, 2009 2:06 AM Subject: Re: [amsat-bb] Re: G

[amsat-bb] Re: AR2 432 MHz preamp - not working?

2009-12-12 Thread i8cvs
Hi Mark, WD4ELG First of all see if the noise level increases when you power supply your preamplifier. 73" de i8CVS Domenico - Original Message - From: "Mark Lunday, WD4ELG" To: "'amsat-bb'" Sent: Saturday, December 12, 2009 8:49 PM Subject:

[amsat-bb] Re: XW-1 FM transponder works great

2009-12-15 Thread i8cvs
Hi Michael, Chen BD5RV/4 When do you plan to open the linear transponder for SSB/CW operation ? Tanks for this information 73" de i8CVS Domenico - Original Message - From: "Michael Chen" To: "amsat-bb" Sent: Tuesday, December 15, 2009 8:47 PM Subject: [amsa

[amsat-bb] XW-1 report over Europe

2009-12-15 Thread i8cvs
0-0 0+0 031 2 36121 100.5050 046.6267 0007989 035.4736 324.6735 13.1639108550 That's all for now I hope that very soon the linear transponder will be open for general use and stay in SSB/CW as long as possible for the benefit of many users at the same time. 73" de i8CV

[amsat-bb] Re: Preamp location tech question

2009-12-18 Thread i8cvs
? 73" de i8CVS Domenico - Original Message - From: "Elan Portnoy" To: "'amsat bb'" Sent: Friday, December 18, 2009 6:52 PM Subject: [amsat-bb] Preamp location tech question > Hello all, > > In the midst of all the excitement around the

[amsat-bb] Re: Question about vacuum and power module for lineartransponder

2009-12-19 Thread i8cvs
schematic diagrams of the linear transponder Mode-B on board of OSCAR-7 I hope it helps William PE1RAH 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to

[amsat-bb] Re: Preamp location tech question

2009-12-20 Thread i8cvs
d 3.7 dB at 435 MHz in a rural area. If the installation is made in a suburban area or in a urban area where the equivalent Antenna Noise level is greater and predominates then the advantages are accordingly less. I hope this helps. 73" de i8CVS Domenico - Original Message - From: &qu

[amsat-bb] Re: AO-7 Not Active

2009-12-22 Thread i8cvs
Hi Piraja, PS8RF As far I know AO-7 cannot be actually commanded ON and OFF by any ground station. 73" de i8CVS Domenico - Original Message - From: "ps8rf Piraja" To: Sent: Tuesday, December 22, 2009 10:02 PM Subject: [amsat-bb] AO-7 Not Active Hello, The satelli

[amsat-bb] Re: Eagle & P3E status?

2009-12-22 Thread i8cvs
Bob > N4HY Hi Bob, N4HY Can you indicate to us satellite users where is the plethora of launch capacity in the world to actually launch P3E up ? Plethora means " overabundance" 73" de i8CVS Domenico ___ Sent via amsat...@amsat.org. Opi

[amsat-bb] Re: AO-7 Not Active

2009-12-22 Thread i8cvs
- Original Message - From: "Andrew Glasbrenner" To: "i8cvs" ; "Amsat-BB" Sent: Tuesday, December 22, 2009 11:39 PM Subject: Re: [amsat-bb] Re: AO-7 Not Active > i8cvs wrote: > > Hi Piraja, PS8RF > > > > As far I know AO-7 cannot be actu

[amsat-bb] Re: AO40 contacts

2011-02-05 Thread i8cvs
to Charlie (G3WDG), Mike (N1JEZ), and Dom (I8CVS), and any others who participated in this successful test. The S1 Rx can certainly be listed as fully functional. We will await further testing/info. on the S2 Rx. W4SM for the AO-40 Command Team --

[amsat-bb] Re: AO40 contacts and P3-E

2011-02-06 Thread i8cvs
il lasted. We all hope that AMSAT-DL will find a launch opportunity with ESA and a ARIANE-5 launcher with P3-E inside the SPELDA adapter as soon as possible. Pulling for P3-E ! ! 73" de i8CVS Domenico ___ Sent via AMSAT-BB@amsat.org. Opinions ex

[amsat-bb] Re: G5400 elevation issue

2011-02-07 Thread i8cvs
tely flipped to 180° The potentiometer VR4 is located in the rear of the control box as shown in the instruction manual. Have fun 73" de i8CVS Domenico ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA m

[amsat-bb] Re: G5400 elevation issue

2011-02-08 Thread i8cvs
with elevation 180° i.e. with the antenna completely flipped to 180° The potentiometer VR4 is located in the rear of the control box as shown in the instruction manual. 73" de i8CVS Domenico - Original Message - From: "w4upd" To: Sent: Tuesday, February 08, 2011 1

[amsat-bb] Re: G5400 elevation issue

2011-02-08 Thread i8cvs
- Original Message - From: Dave Webb KB1PVH To: i8cvs Sent: Tuesday, February 08, 2011 3:36 AM Subject: Re: [amsat-bb] G5400 elevation issue Domenico, The highest voltage that I can get at full 180° flip is 2.78 volts with voltage adjustment pot on rear of controller

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