[amsat-bb] OSCAR NEWS 207 from AMSAT-UK

2014-08-16 Thread Graham Shirville
The Editors of OSCAR NEWS are starting the preparation of the next edition – #207. We would welcome any articles for this edition which need to be submitted before the end of August! Long or short articles about technical, operational or historical matters are all equally welcome. Exciting

Re: [amsat-bb] ANS-199 AMSAT News Service Special Bulletin - AMSAT Fox-1C Launch Opportunity Announced

2014-07-20 Thread Graham Shirville
Hi Phil, The reality is, even with no battery heater on FUNcube-1 we seem to have an acceptable battery temperature of between 0 and +5C. The temp sensor is, of course, actually external to the battery itself. Our orbit is sun synchronous so we suffer eclipses for approx 33% of the orbit

Re: [amsat-bb] UKube-1

2014-07-11 Thread Graham Shirville
Hi All, We are still not 100% certain but we tend to agree with Nico - UKube-1 is probably either Object 2014-37F or 2014-37G (I am using Object F quite happily!) best 73 Graham G3VZV -Original Message- From: JoAnne Maenpaa Sent: Friday, July 11, 2014 3:03 PM To:

Re: [amsat-bb] UKube-1 keps?

2014-07-09 Thread Graham Shirville
Hi ken, Best guess at the moment are either 2014-037F or 2014-037J but they are very close to each other. thanks Graham G3VZV -Original Message- From: Ken Swaggart Sent: Wednesday, July 09, 2014 4:40 AM To: AMSAT-BB@amsat.org Subject: [amsat-bb] UKube-1 keps? What keps are being

Re: [amsat-bb] UKube-1 keps?

2014-07-09 Thread Graham Shirville
: Graham Shirville Sent: Wednesday, July 09, 2014 7:18 AM To: Ken Swaggart ; AMSAT-BB@amsat.org Subject: Re: [amsat-bb] UKube-1 keps? Hi ken, Best guess at the moment are either 2014-037F or 2014-037J but they are very close to each other. thanks Graham G3VZV -Original Message- From: Ken

[amsat-bb] UKube-1 launch first signals

2014-07-08 Thread Graham Shirville
AMSAT-UK has congratulated the UKube-1 team on the successful launch and deployment of the spacecraft earlier today. Signals have already been heard from both transmitters in many countries and the UKube team has asked that all stations continue to monitor the downlinks and where possible to

[amsat-bb] FUNcube Data Warehouse

2014-07-05 Thread Graham Shirville
Hi All, It appears that our Data Warehouse has decided to take a holiday and is not presently updating the web pages correctly. I believe that it is continuing to accept telemetry in from listening stations so please keep the data flowing. The spacecraft itself seems fine! thanks Graham

Re: [amsat-bb] FUNcube Data Warehouse

2014-07-05 Thread Graham Shirville
the battery did not actually reach 16 volts...at least we don't believe that it did! thanks and 73 Graham G3VZV From: Graham Shirville Sent: Saturday, July 05, 2014 10:18 AM To: AMSAT BB Subject: FUNcube Data Warehouse Hi All, It appears that our Data Warehouse has decided to take a holiday

[amsat-bb] UKube-1 Launch information

2014-07-03 Thread Graham Shirville
UKube-1 is scheduled to launch from Pad 31/6 at Baikonur on Tuesday afternoon. July 8th 2014 @ 15:58:28 UTC and to be deployed from the final stage of the Soyuz-2-1B/Fregat-M launch vehicle at 18:32:42 UTC. The UKube-1 Operations Team has just issued their Launch Briefing. This is accompanied

[amsat-bb] GTO opportunity

2014-07-02 Thread Graham Shirville
Hi All, I know that this subject is a very “old chestnut” but I came across this website earlier today http://spaceflightservices.com/ You can see, perhaps for the first time?, a list of opportunities and pricing structures. I have been pondering : Whether a 3U CubeSat to GTO could be funded

[amsat-bb] Reception of the One Millionth Packet from FUNcube-1

2014-06-30 Thread Graham Shirville
Many stations have been receiving the telemetry transmitted by FUNcube-1, which has now been in orbit for 221 days. The spacecraft, which has been operating nominally since launch, is providing on-board health and science data for the many schools and colleges who are already participating in

[amsat-bb] Re: AO-73 booming signal

2014-05-05 Thread Graham Shirville
Hi All, Yes the antennas are dipoles and the spacecraft is slowly rotating around the Z axis on which they are mounted. Therefore you can be in a null when one end of the dipole is end on or nearly end on to your QTH, generally circular polarisation at your station will not solve this but

[amsat-bb] Re: Yes - FUNcube IS Fun!

2014-04-20 Thread Graham Shirville
Hi Clint, I am not sure when you made the recording but I can confirm that FO73 was transmitting in transponder mode continuously this weekend from around 2100UTC Friday 18th April until exactly 2059UTC tonight Sunday 20th April. In transponder mode the BPSK beacon is indeed only

[amsat-bb] Re: FUNcube Data Warehouse Outage

2014-04-14 Thread Graham Shirville
Uum actually it's the 14th of April Dave. But seriously thanks for all your hard work tho 73 GrahamG3VZV -Original Message- From: David Johnson d...@thejohnsonsonline.net Sent: ‎14/‎04/‎2014 22:38 To: amsat-bb amsat-bb@amsat.org; eu_am...@yahoogroups.co.uk eu_am...@yahoogroups.co.uk

[amsat-bb] OSCAR NEWS #205

2014-03-10 Thread Graham Shirville
Hi All, The next edition of OSCAR NEWS from AMSAT-UK is being prepared for publication right now. If you have any news or opinions that you would like to share please let us have some text in the next ten days so that it may be included. We are happy to accept articles of almost any length

[amsat-bb] Re: Using AO-40 in Rx for Ham TV?

2014-01-27 Thread Graham Shirville
Hi Andy In a word..NO...the signal even without any actual video content is still around 2MHz wide. If you have simple rtl type dongle you might be able to see the signal tho 73 Graham -Original Message- From: andy thomas andythomasm...@yahoo.co.uk Sent: ‎27/‎01/‎2014 16:25 To: amsat

[amsat-bb] Re: Using AO-40 in Rx for Ham TV?

2014-01-27 Thread Graham Shirville
Here is a link to the graphic which shows the transmitted spectrum https://dl.dropboxusercontent.com/u/20971256/HamTV_spectrum_from%20Bill_Ress.jpg 73 Graham G3VZV -Original Message- From: Dave Webb KB1PVH Sent: Monday, January 27, 2014 9:18 PM To: Bill Ress ; AMSAT -BB Subject:

[amsat-bb] FUNcube-1 Object Number

2014-01-14 Thread Graham Shirville
Hi All, We have now concluded that FUNcube-1 is indeed Satellite Number 39444 and International Designator 13066AE. The Celestrak cubesat.txt and amateur.txt files now show the correct name FUNCUBE (AO73) for this object. Many thanks for your patience! (AO)73 Graham G3VZV

[amsat-bb] Re: AO-73 Question (mode efficiency?)

2013-12-27 Thread Graham Shirville
Hi Bob, Yes the mission requirements are exactly as your last paragraph. We have a dual mission and needed a simple, autonomous, on board system to make the change between the two modes. The sunlight/eclipse transition is fairly easy to detect and forms a valid decision criteria. The

[amsat-bb] Re: General Telemetry Question

2013-12-09 Thread Graham Shirville
Hi All, Just to confuse ..FUNcube-1 transmits some telemetry in RAW and some in human readable format. The latter comes from the GOMspace EPS which is powering our baby! cheers Graham G3VZV -Original Message- From: Alan Sent: Monday, December 09, 2013 2:44 PM To: 'Dave Marthouse'

[amsat-bb] Re: AO-73 DTMF Last Command Unknown Command (0)

2013-12-03 Thread Graham Shirville
Hi Rob, Please don't be worried by this activity, we are just doing some testing of different groundstation equipment at various locations to establish the best operating procedures. This will enable us to ensure the future health of the spacecraft over time. We are not trying to make any

[amsat-bb] FUNcube AO-73 update

2013-11-23 Thread Graham Shirville
After some commanding difficulties - actually caused by a setup error here at the ground station, we can confirm that AO-73 was switched into autonomous mode during our pass on Orbit 32. Your reports are awaited with interest! 73 Graham G3VZV

[amsat-bb] Re: FUNcube AO-73 update

2013-11-23 Thread Graham Shirville
Hi Alan, That is great news - many thanks for letting us know 73 Graham -Original Message- From: Alan Cresswell Sent: Saturday, November 23, 2013 12:16 PM To: 'Graham Shirville' ; 'AMSAT BB' Subject: RE: [amsat-bb] FUNcube AO-73 update Hi Graham Transponder switched to eclipse

[amsat-bb] FUNcube-1 Update

2013-11-23 Thread Graham Shirville
We have had reports of an apparent distortion in the transmitted telemetry and difficulty in decoding around 12:00 UTC today. We believe that this may have actually been occurring due to the natural phenomena of an active aurora rather than a problem on board the spacecraft. We understand that

[amsat-bb] Re: Funcube-1 - Ao-73

2013-11-23 Thread Graham Shirville
Hi All, Yes in telemetry (also known as educational) mode we have around 300mW and this is a much higher average RF output than when in amateur (also known as transponder) mode. Total current drain is therefore greater when in educational mode. This is convenient because we had planned

[amsat-bb] Re: FUNcube-1 in Space!

2013-11-21 Thread Graham Shirville
Hi Hector, When you are able to get to a direct internet link then simply run the dashboard from the .funcubebin file that you may have recorded during the session. This will the upload the file to the warehouse and your call should then be seen on the warehouse upload page...maybe 10

[amsat-bb] FUNcube Dashbaord version 806 just released

2013-11-19 Thread Graham Shirville
Hi all, At the risk of using too much bandwidth of this BB... The final pre-launch Dashboard update has just been released at http://funcube.org.uk/working-documents/funcube-telemetry-dashboard/ Many thanks for the feedback received so far! A couple of issues have come to light and have been

[amsat-bb] Re: Triton-1 update #1 19 November 2013 15:00UTC

2013-11-19 Thread Graham Shirville
Hi Wouter Jan, On behalf of your near neighbour on the Dnepr launch may we wish Triton-1 all possible success. Of course we look forward to the completion of its communications experiment and subsequent use as an amateur transponder! Please give our best wishes to all the Triton-1 team in

[amsat-bb] FUNcube-1 launch week has arrived!

2013-11-17 Thread Graham Shirville
Well it has finally arrived. Little did we think, back in 2009 that we would not be launching FUNcube-1 until late 2013 but, at last, we are almost there. The past four years have been spent trying to find a suitable launch opportunity, dealing with many legal and administrative issues, in

[amsat-bb] Re: FUNcube-1 launch week has arrived!

2013-11-17 Thread Graham Shirville
by the project team. On behalf of AMSAT INDIA I thank AMSAT UK and the entire team of Funcube for their hardwork and also wish a successful launch,deployment and activation of the Funcube satellite. 73 Nitin [VU3TYG] Secretary, AMSAT INDIA From: Graham Shirville

[amsat-bb] Re: ESA to Carry Live Video

2013-11-15 Thread Graham Shirville
Sorry..this is not the Dnepr launch from Yasny on Nov 21st but about a launch the following day from Plesetsk We do NOT expect to have any live video from the Dnepr launch but we may have a voice link to our Mission monitoring station at Bletchley Park. We also hope to have live video

[amsat-bb] FUNcube operations - was Re: I am tired of D-star thread/argument

2013-11-14 Thread Graham Shirville
Hi Paul, If EVERYTHING goes according to plan then FUNcube-1 could well be commanded to operate autonomously within a week or two of launch. This means that the spacecraft will have a linear transponder for amateur use when in eclipse and high power telemetry for educational outreach when

[amsat-bb] Re: FUNcube Dashboard/Data Warehouse Registration

2013-11-14 Thread Graham Shirville
Hi Jerry, Thanks for the report which we will get our s/w gurus to look at asap! If possible please submit bug reports etc to the http://forum.funcube.org.uk/ Dashboard reports page so we can keep track of them all! many thanks Graham G3VZV -Original Message- From: n0jy Sent:

[amsat-bb] International Designators

2013-11-13 Thread Graham Shirville
Hi All, At least one of the forthcoming launches is planning to having more than 26 objects being deployed. I think this is the first time that this has occurred. Our TLEs include these references. I understand that after Z is used, the sequence will be AA, AB, AC, AD, etc. Question -

[amsat-bb] FUNcube-1 Project Update

2013-11-11 Thread Graham Shirville
Hi All, Our software team is working feverishly to complete the FUNcube Dashboard software that we will be using to decode and display the telemetry that will be transmitted from the spacecraft on 145.935 MHz. Whilst they finish their work here are some provisional pre-launch keps. We may

[amsat-bb] Re: New Satellite Segment in IARU Region 2 Bandplan

2013-10-23 Thread Graham Shirville
Hi Greg, Please have a look at Footnote 1 at the bottom of the 2 metre bandplan: 1 - Designers and operators of satellites using this section shall not transmit below 144,0025 MHz so that a necessary guard band is provided at the bottom band edge.” This shows that it has been thought about

[amsat-bb] Re: New Satellite Segment in IARU Region 2 Bandplan

2013-10-23 Thread Graham Shirville
Fear notthis is being covered by similar bandplan changes in R1 R2 as well Cheers Graham G3VZV -Original Message- From: Joe n...@mwt.net Sent: ‎23/‎10/‎2013 15:37 To: amsat-bb@amsat.org amsat-bb@amsat.org Subject: [amsat-bb] Re: New Satellite Segment in IARU Region 2 Bandplan My

[amsat-bb] FUNcube-1 launch site news

2013-10-21 Thread Graham Shirville
Hi All, FUNcube-1 is presently at Yasny and is being prepared for launch. All the latest news can be seen at www.funcube.org.uk and the latest post includes a link to the launch blog from our launch service providers. We are still on track for a launch late next month and we are planning to

[amsat-bb] FUNcube

2013-10-17 Thread Graham Shirville
Hi Rich, The format is 1k2 BPSK so a Dongle or 2 metre SSB receiver will be needed to receive the signals. The Dashboard software needed to decode and display the telemetry and Fitter messages will be released well before the launch with, hopefully, a full set of user notes! cheers

[amsat-bb] Re: Another brilliant idea!

2013-09-24 Thread Graham Shirville
Hi Trevor, Yes we are discussing the removal of the downlink only restriction on 29MHz and the proposal to permit satellite linear transponder downlinks to operate at the bottom of the 144MHz band (just 22.5kHz though) The meeting is still in session at this time best 73 Graham XE3/G3VZV

[amsat-bb] Re: so long

2013-09-19 Thread Graham Shirville
Hi Michael, I think you are being pessimistic..I have done quite a few more orbits around the sun than you but I expect that I will see another AMSAT supported HEO/GTO (or similar) spacecraft launched in my lifetime. Probably more than one! I have no particular inside knowledge just an

[amsat-bb] FUNcube-1 POD Insertion World Premiere video

2013-09-07 Thread Graham Shirville
Wouter, PA3WEG, has kindly created a unique video that shows the correct process for inserting three 1U CubeSats into their 3U ISIPOD. This is now available here: http://www.youtube.com/watch?feature=player_embeddedv=3xT3SDlFUOg best 73 Graham

[amsat-bb] FUNcube-1 is in its POD

2013-09-04 Thread Graham Shirville
The AMSAT FUNcube team are delighted to be able to announce that the FUNcube-1 CubeSat has now completed all its final testing and been placed into its launch POD. This work was completed during a three day programme at the premises of ISIS BV in Delft in the Netherlands and was finished, on

[amsat-bb] Strand-1

2013-07-23 Thread Graham Shirville
Hi ALl, Mike DK3WN has just reported hearing STRaND-1 and decoding telemetry this evening. The spacecraft has been silent since March 31st so this is really good news. I am certain that the project leader, Dr Chris Bridges, who presented a paper about STRaND-1 at the AMSAT-UK Colloquium last

[amsat-bb] Re: OPS-SAT - A rare opportunity for testing new amateur radio software for use on a CubeSat actually in space.

2013-07-01 Thread Graham Shirville
in space. Hi Graham, Interesting concept! Based on your comment below, can there be non-EU country participants so long as they are a member of a team led by a EU country??? Regards...Bill - N6GHz On 7/1/2013 9:19 AM, Graham Shirville wrote: The project is open to teams led by a group from

[amsat-bb] Re: Question about HamTV

2013-05-21 Thread Graham Shirville
Hi Raydel, I stand to be corrected but a these dongles are specified for DVB-T so I dont think they would work for signals using DVB-S modulation. The signals from the ISS will be at 1.3Msps or 2.0Msps - I believe that only the Technotrend T1600 and T3200 cards have, so far, been identified

[amsat-bb] Re: ISS HamTV Frequencies

2013-05-14 Thread Graham Shirville
Hi all There is a DATV forum on the BATC website and there is also a DATV forum on yahoo groups. There is already plenty of DVB-S ATV activity in Europe, the US and Australia. The low symbol rate planned for the ISS activities cuts down the choice for available decoders but known to work

[amsat-bb] Re: TURKSAT-3USAT article + CubeBug-1 April 26 launch

2013-04-26 Thread Graham Shirville
Hi All, I understand that the launch took place on time and that all payloads have been successfully deployed from the launch vehicle. 73 Graham G3VZV -Original Message- From: M5AKA Sent: Thursday, April 25, 2013 6:51 PM To: amsat-bb@amsat.org Subject: [amsat-bb] TURKSAT-3USAT

[amsat-bb] FUNcube Project - Your advice requested

2013-04-09 Thread Graham Shirville
Hi All, As part of the FUNcube project we now need to urgently decide which is going to be the best type of antenna to propose for use at schools and colleges to receive the 145MHz downlink signals from both FUNcube-1 and FUNcube-2 on UKube after launch. Both spacecraft will be transmitting

[amsat-bb] STRaND-1 reports wanted

2013-04-02 Thread Graham Shirville
Dr Chris Bridges, M0GGK from the Surrey Space Centre has advised that signals from their STRaND-1 3U cubesat became intermittent over the weekend and Mike DK3WN also reports that he ahs heard no signals since Sunday. It would be really good if amateurs, especially those outside Europe, could

[amsat-bb] Re: STRaND1 polarity shift observation

2013-03-05 Thread Graham Shirville
Hi Dom, Well this is not official but I can advise that the antennas on Strand-1 are both single 1/4 wave monopoles. They project from near the corners of the structure as indicated here

[amsat-bb] Re: CubeSats on Arirang TV

2013-01-31 Thread Graham Shirville
The more eagle-eyed amongst us have spotted that about 9 seconds into this video it includes shots of the FUNcube-1 engineering model stack, with a antenna deployment simulator attached to it, obviously taken recently but I have absolutely no idea how they came by it:) 73 Graham G3VZV

[amsat-bb] Happy New Year wishes

2012-12-31 Thread Graham Shirville
Hi All, Just a note to wish everyone well for the forthcoming year and to thank all of those who are contributing in so many different ways to ensure the future success of the amateur satellite world. Thanks are also due to the many who contribute to the vital educational outreach work which

[amsat-bb] Oscar News #200

2012-11-18 Thread Graham Shirville
Hi All, Amazingly the next edition of AMSAT-UK’s quarterly magazine for members, “Oscar News”, will be number 200. Editon No1 was an 8 page newsletter issued in late 1973 and was actually produced before AMSAT-UK formally came into existence. Our 200th edition will be produced during December

[amsat-bb] Re: Request for a file of amateur satellite frequencies

2012-10-25 Thread Graham Shirville
Hi All, Many thanks to everyone who responded to my plea! As a result of it, with JE9PEL's agreement, we have created an abstract from his master list of all amateur satellites so as to include just those ones that are active. It is available here http://www.uk.amsat.org/?page_id=11251

[amsat-bb] Request for a file of amateur satellite frequencies

2012-10-24 Thread Graham Shirville
Hi All, This may seem odd but I cannot seem to locate any website that has a simple list of ACTIVE satellites with data showing: Name ID number Up/Down Frequencies Modes or modulation info maybe output power and?? other info It would be a really useful checksheet to have by you when operating

[amsat-bb] Re: LEO to HEO

2012-10-19 Thread Graham Shirville
Hi all, For those interested in how to get from LEO to HEO - well at least to MEO, here is a link to some slides produced by David G0MRF back in 2009 that explains quite a lot about the subject. http://mstl.atl.calpoly.edu/~bklofas/Presentations/AMSATUK2009/2c_Bowman-MEO.pdf As it happens I

[amsat-bb] Re: Experimental COMMERCIAL spacecraft on 2meters

2012-10-04 Thread Graham Shirville
Hi Drew, As Art has stated, the authority having jurisdiction, is the National one - in this case the FCC. As your link shows, they have decided to licence this spacecraft on 145.825MHz but to operate in the Experimental service not , our, Amateur Satellite Service. Of course we have a

[amsat-bb] Re: CAMSAT BUAA-SAT Amateur Radio Satellite

2012-09-19 Thread GRAHAM SHIRVILLE
Hi Iain, no - they are totally different projects! CAMSAT  is the Chinese AMSAT organisation I believe CAMcube is the working name for a joint venture project between Cranfield University and AMSAT-UK. This will/may be a 1 or 2U cubesat and is in response to ESA's recent Notification of

[amsat-bb] Re: Fw: Digital Slow Scan in space

2012-09-07 Thread Graham Shirville
-Original Message- From: Simon HB9DRV Sent: Friday, September 07, 2012 2:13 PM To: 'Graham Shirville' ; 'AMSAT BB' Subject: [amsat-bb] Re: Fw: Digital Slow Scan in space Graham, What's 'medium resolution' ? Standard SSTV is not digital, it's analogous with the (now no longer used) analogue TV

[amsat-bb] Fw: Digital Slow Scan in space

2012-09-06 Thread Graham Shirville
Hi All, We are looking for a practical system to use on a 1U, or perhaps 2U, cubesat to take medium definition images and transmit them to the ground on VHF for educational outreach purposes. All the usual cubesat mass, power, data budgets would apply but and I would especially appreciate

[amsat-bb] Technical question about radar reflectivity

2012-08-07 Thread Graham Shirville
Hi All, I am preparing a response to the UK Space Agency Consultation Document on the planned Reform of the UK Outer Space Act. Generally the proposals appear to support cubesat development here in the UK and therefore should be supported. Included in the Impact Assessment document that comes

[amsat-bb] NROL-36

2012-08-02 Thread Graham Shirville
Hi All, I am not sure if these details have already been published but based on todays scrubbed launch time here are the beacon start times for the 4 cubesats Mission Elapsed Time (s) UTC Time Event 0 02/08/2012 07:40 Launch 14376

[amsat-bb] Fw: Reform of the 1986 UK Outer Space Act

2012-07-08 Thread Graham Shirville
. Well worth a review in my opinion. http://www.bis.gov.uk/ukspaceagency/news-and-events/2012/May/reform-of-the-outer-space-act-1986-consultation Rest assured that AMSAT-UK will be responding! cheers Graham Shirville G3VZV ___ Sent via AMSAT-BB

[amsat-bb] Re: Any Satellite using Ham frequencies?

2012-05-09 Thread Graham Shirville
It takes some review... www.amsat.org.uk/iaru HINT- to sort the list of spacecraft into ascending or descending order by name or organisation click on the black up/down arrows at the top of the two columns! cheers Graham G3VZV ___ Sent via

[amsat-bb] Re: New Frequencies for AMSAT-UK FUNcube-1

2012-05-02 Thread Graham Shirville
Hi Iain, Great question - the answer is probably yes! It is expected that the UKube-1 team will apply to IARU for a change in the FUNcube-2 transponder downlink to 145.930-145.950 MHz with the Telemetry on 145.925MHz but an official proposal has not yet been sent/received. Good luck with

[amsat-bb] Re: Norad TLE's Elements for VEGA Launch !

2012-02-14 Thread Graham Shirville
Hi Andy, Thanks for these..I am intrigued..there should be 10 objects in total - LARES is in a circular 1450km orbit and does not appear to be listed yet. Object A I suspect is the final stage/launch adaptor. cheers Graham G3VZV -Original Message- From: Andy Kellner Sent:

[amsat-bb] Vega launch

2012-02-13 Thread Graham Shirville
Latest update from Kourou timed at 0724UTC “The chronology is on going smoothly for a launch today at 11:00 for a launch window that has been extended to 3 hours. The launcher is under control, flight software is up loaded in the on board computer, the inertial reference system is aligned.

[amsat-bb] VEGA Maiden flight tomorrow

2012-02-12 Thread Graham Shirville
Hi All, Just a couple of updates! PW-SAT will have 5 possible operating modes as shown below – we should expect the FM/DBS transponder (mode 5) to only be operational after the science mission has been completed - however the 1k2 BPSK transmissions will provide some good in orbit

[amsat-bb] Re: Aeneas cubesat

2012-02-03 Thread Graham Shirville
ouch - Bill you owe me a pint or two for that suggestion:) best 73 Graham G3VZV PS for the record - I dont believe IARU have any record of this spacecraft! -Original Message- From: Bill Ress Sent: Friday, February 03, 2012 7:24 PM To: amsat-bb@AMSAT.Org Subject: [amsat-bb] Re:

[amsat-bb] Re: Cables for small satellites

2011-05-05 Thread Graham Shirville
Hi All, Many thanks to the kind experts who kindly sent us information in repect to this enquiry a couple of weeks ago. For FUNcube we have determined that the best coax for our purposes is RG178. The following reasons: we are only concerned with VHF and UHF signals flight heritage small

[amsat-bb] Re: searching advice on low hpass filter for 146 MHz

2011-04-27 Thread Graham Shirville
The DCI filters are VERY good but are designed, as standard, to provide a bandpass between 144-148MHz! I guess a special version that is either much narrower, or is setup for 142-146MHz, might give maybe 20dB of attenuation ...maybe this plus your cavity as a suck out notch/rejecter after

[amsat-bb] Re: [CubeSat] advice request for FUNcube

2011-04-22 Thread Graham Shirville
Hi Jan, Many thanks for the valuable advice..yes I think the bend radius will be the most important parameter for us. cheers Graham G3VZV - Original Message - From: Jan King To: Graham Shirville Cc: CubeSat @ CubeSat.org ; AMSAT BB Sent: Friday, April 22, 2011 1:22 AM

[amsat-bb] advice request for FUNcube

2011-04-20 Thread Graham Shirville
hi All, A simple question this time! What is the best coax cable to use in a cubesat? Size, flexibility/min radius, existing space heritage, ease of applying connectors are our main design drivers - we are only using UHF and VHF so losses are not going to be too much of a problem hopefully..

[amsat-bb] ISS orbit - was: SATPC32 ISS Showing weird operation

2011-03-08 Thread Graham Shirville
Hi All, This page refers to a major orbit boost planned for sometime after June? using the ATV as a big thruster http://www.nasaspaceflight.com/2011/02/live-atv-2-prepares-for-docking-to-international-space-station/ No doubt this will seriously change the TLEs! It will improve the

[amsat-bb] Re: April 12 - Yuri ARISSat-1

2011-03-03 Thread Graham Shirville
Hi All, http://yurigagarin50.org/history/gagarins-flight has details of the timeline and the events on that day. The website is being built up over the next few weeks with some archive footage and other media stuff! cheers Graham G3VZV - Original Message - From:

[amsat-bb] Re: Sat Tracker iPod touch

2011-02-20 Thread Graham Shirville
Hi All, For those who can wait for a couple of weeks and who are members of AMSAT-UK - the good news is that a review of six different Satellite tracking apps will be appearing in the next edition of Oscar News:) Issue no 193 will be going to the printers early this week so watch out for it

[amsat-bb] Re: AMSAT-UK - Next Cttee Mtg 26 March

2011-01-26 Thread Graham Shirville
Hi All, Here is some good news just released by the UK Space Agency about the UKube-1 project. You will see that the FUNcube system is formally part of the project. Whilst the release does not mention the FUNcube linear U/V transponder function during evenings and weekend, this

[amsat-bb] UKuke-1 Announcement

2011-01-26 Thread Graham Shirville
Sorry this time WITH the relevant link! http://www.ukspaceagency.bis.gov.uk/21973.aspx - Original Message - From: Graham Shirville To: amsat-bb@AMSAT.Org Sent: Wednesday, January 26, 2011 3:42 PM Subject: Re: AMSAT-UK - Next Cttee Mtg 26 March Hi All, Here is some

[amsat-bb] Re: oscar 11

2011-01-22 Thread Graham Shirville
Hi Jerry, I don't think that packet had been invented when UO11 was born:) I am sure someone on the BB will give you the full info but from memory it is just plain ASCII using Bell ?202 tones that we used to employ for modems over the telephone. cheers Graham - Original Message -

[amsat-bb] Looks like another opportunity for the famous AMSAT-DL dish repair team!

2011-01-17 Thread Graham Shirville
http://www.theengineer.co.uk/news/goonhilly-to-rejoin-deep-space-communications-programme/1006790.article Also note the comment about EME possibilities from the CEO of the company:) 73 Graham G3VZV ___ Sent via AMSAT-BB@amsat.org. Opinions expressed

[amsat-bb] Wide filter for a 910 in SSB mode?

2010-11-17 Thread Graham Shirville
Hi all, This may seem a dumb question but has anyone found a wide - say 6kHz bandwidth filter at 10.8MHz suitable for a 910H? Alternative question #1 - Does anyone know if the 9100 allows different bandwidths for each mode...there is a filter button on the front panel - not sure what it will

[amsat-bb] Re: ARISSat-1/RadioSkaf V ready to ship

2010-09-27 Thread Graham Shirville
Heartiest congrats from over here as well...I hope someone has been keeping a log of the lessons learnt for the benefit of the next generation of satellite builders. I know, from experience, how important such a log can be:) best 73 Graham G3VZV - Original Message - From: Stephen E.

[amsat-bb] Re: AO-51 BBS Uplink

2010-08-31 Thread Graham Shirville
Hi Fran, I am not sure but I just heard weak voice signals on the 435.150MHz downlink on the 1400utc pass here in the UK. my antennas are set for RHC so the signal was not very strong:( 73 Graham - Original Message - From: Francisco Jiménez-Martín Sánchez ea1jm.f...@gmail.com To:

[amsat-bb] Re: Guess the mystery noise

2010-08-31 Thread Graham Shirville
Hi Gordon, Its good old UO11 - she re-appeared on Sunday according to http://oscar.dcarr.org/ and I heard the signal yesterday morning. 73 Graham G3VZV - Original Message - From: Gordon JC Pearce gordon...@gjcp.net To: 'Amsat' amsat-bb@amsat.org Sent: Tuesday, August 31, 2010 9:03 PM

[amsat-bb] Re: New Satellite Downlink?

2010-08-25 Thread Graham Shirville
Hi Steve, I wonder how that would work with multiple languages:) 73 Graham G3VZV - Original Message - From: STeve Andre' and...@msu.edu To: amsat-bb@amsat.org Sent: Wednesday, August 25, 2010 10:24 PM Subject: [amsat-bb] Re: New Satellite Downlink? On Wednesday 25 August 2010

[amsat-bb] Re: uk meetning

2010-08-02 Thread Graham Shirville
Hi Nick, Relax...we will be transferring the files to the usual BATC server within the next 10/14 days where they will be available to view or download! We will make sure that their availability is announced on the news cheers Graham G3VZV - Original Message - From: Nick Pugh K5QXJ

[amsat-bb] Re: Portable power source

2010-07-21 Thread Graham Shirville
Hi Drew, I have one of these... probably a similar sort of thing http://www.maplin.co.uk/Module.aspx?ModuleNo=346013#spec I intended for use with my two 817s but have not had the real opportunity to test it yet...It will certain run them for a while...I have a suspicion that it may generate

[amsat-bb] Re: Wouxon KG-UVD1P

2010-07-21 Thread Graham Shirville
Hi Andy, I understand there will be at least one of these devices at the AMSAT-UK Colloquium next weekend - so if we don't know before then we certainly will quite quickly at the event. cheers Graham G3VZV - Original Message - From: andy thomas andythomasm...@yahoo.co.uk To: amsat

[amsat-bb] Re: tisat-1

2010-07-16 Thread Graham Shirville
Hi Sangat, http://www.utias-sfl.net/NLS-6/ this page was updated a couple of hours back and suggests that Tisat has now been identified as object 36796 ... I have heard its CW beacon on 437.305MHz +/- doppler. I have not heard anything from Studsat though 73 Graham G3VZV - Original

[amsat-bb] Re: tisat-1

2010-07-14 Thread GRAHAM SHIRVILLE
Hi Nick, It will be one of the constellation 36795 to 36801 -  they all seem to be fairly close together still. I listened for both Tisat and Studsat last evening but didn't hear anything so I am wondering if anyone has had recent success? 73 GrahamG3VZV --- On Wed, 14/7/10, Nick Pugh K5QXJ

[amsat-bb] Re: Batteries for FT 817 - Minigorilla

2010-06-21 Thread Graham Shirville
Hi Tony, For what it is worth...not internal but very light and stay at a full 12V running an FT817 for a long time... http://www.maplin.co.uk/Module.aspx?ModuleNo=346013TabID=1C=SOU=strat25doy=searchma=Maplin%20Minigorilla%99%20Cheap%20Deals#spec 73 Graham G3VZV - Original Message -

[amsat-bb] Re: SatPC32 with 64 bit VISTA

2010-05-20 Thread Graham Shirville
Hi all, I am at present trying to configure 2 817s and SATPc32 with a Samsung N150 windows 7 32bit starter edition netbook and some CT62 equivalent interface cables using the Prolific chipset. I cannot claim that I yet have success but the one major lesson learnt last night (late) was that

[amsat-bb] Portable SSB satellite operation advice requested

2010-05-09 Thread Graham Shirville
Hi all, Later this month I hope to be trying some satellite operation from a boat from the seas around Scotland, Norway and up inside the Arctic circle. I have my trusty Kenwood TDH7 and Arrow combination for possible FM use but have been wondering whether to take an FT817 for SSB transmit

[amsat-bb] Watch a DNEPR launch on the web this afternoon!

2010-04-08 Thread Graham Shirville
http://www.esa.int/SPECIALS/Cryosat/SEMILVZNK7G_0.html CryoSat, ESA's ice mission, is scheduled for launch today at 15:57 CEST (13:57 UTC). Live web streaming starts at 15:35 CEST (13:35 UTC). CryoSat-2 will be placed into orbit 700 km above the Earth by a Russian Dnepr rocket launched from

[amsat-bb] UKSpace Conference webcasting

2010-03-25 Thread Graham Shirville
The UKSpace Conference is taking place this weekend. The programme is available here: http://www.ukspaceconference.org/ Some of the presentations will be webcasted live the info is here: http://www.space.co.uk/UKSpaceConference2010/LiveWebCasts/tabid/817/Default.aspx There are a number

[amsat-bb] New UK Space Agency announced

2010-03-23 Thread Graham Shirville
Hi All, At a Conference in London held today, it was announced that April 1st 2010 is to be the launch date for the establishment of the United Kingdom Space Agency. This will take over responsibility for space from the previous voluntary partnerships of Government Departments and research

[amsat-bb] Re: AO-51 V/S

2010-02-23 Thread Graham Shirville
Hi all, It is amazing just how strong the AO51 S Band signal is with even a small dish on the ground. I understand that the S Band PA is probably producing just less than I watt of RF so I really really hope that our long delayed ESEO spacecraft will get off the ground before too long. This

[amsat-bb] A flight to near space this weekend

2010-02-10 Thread Graham Shirville
Hi all, Check this page for details of a rare balloon flight from the UK this Saturday! http://www.unmannedspaceflight.com/index.php?s=01467ce8e3c05447a2d6ee6f01c169a7showtopic=6463pid=155319st=0#entry155319 73 Graham G3VZV ___ Sent via

[amsat-bb] Re: [Mw] Satellite to carry Amateur Radio 5840.00 MHztelemetry beacon

2010-01-28 Thread Graham Shirville
Hi Stan, The website http://www.unisec.jp/unitec-1/en/cooperation.html gives quite a lot of info as well...if you wish to make direct contact then you can email Naomi Kurahara703kurah...@gmail.com 73 Graham G3VZV - Original Message - From: Stan s...@capecod.com To: Trevor .

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