[amsat-bb] AmsatDroid Error

2014-08-22 Thread David Johnson
Hi, It has been reported that there is a problem on the SkyMap in the latest version that shows an incorrect IARU locator. I have replicated the problem and will be fixing it in the next few hours. I will let you know when it's available in the Google Play store. My apologies for any

[amsat-bb] AmsatDroidFree Update

2014-08-11 Thread David Johnson
Hi, I have just released a new version 1.0.7 of the application which fixes a problem whereby viewing the SkyMap was causing the it to crash (on a very small number of occasions). Please note that I have moved the base SDK version to 4.0.3 (ICE_CREAM_SANDWICH) rather than 2.3.3 (GINGERBREAD)

[amsat-bb] Ukube-1/FC-2 Warehouse Upload Problems

2014-08-08 Thread David Johnson
Hi, The team are aware that dashboard data is not being uploaded. We will be working on this over the weekend. Please keep in touch via forum.funcube.org.uk 73 Dave, G4DPZ ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.

[amsat-bb] UKube-1/FC2 Data warehouse

2014-07-31 Thread David Johnson
Hi, We had a problem with decoding data for FC2 in the data warehouse this morning (31st Nov). This has been fixed and if you have any bin files which you recorded between 0:00 and 14:00 utc, please replay them into the warehouse. Many thanks Dave, G4DPZ

[amsat-bb] FUNcube Data Warehouse UKube-1 Preparation

2014-05-29 Thread David Johnson
Hi, You may see some data appearing under the 'UKube FC2 Payload' menu. This is TEST DATA generated to exercise the warehouse processes, please ignore. FC1 will continue operation as normal. 73 Dave, G4DPZ FUNcube Team Member ___ Sent via

[amsat-bb] FUNcube Warehouse Outage during Europe pass

2014-05-12 Thread David Johnson
I had to check some processing under high load and do a swap of the data processor during the pass. Apologies for any inconvenience. 73 Dave ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now

[amsat-bb] FUNcube Warehouse Upload Problems

2014-05-03 Thread David Johnson
Hi We have been receiving reports of users with missing packet upload scores. If you have suffered this, please email me directly with your siteId and when you suffered the problem. I shall be investigating this today. 73 Dave, G4DPZ ___ Sent via

[amsat-bb] FUNcube Data Warehouse Outage

2014-04-14 Thread David Johnson
Hi, If you experienced problems uploading or accessing the warehouse at around 21:00 UTC on the 14th March, we were appliying security patches and the Apache web server did not come up cleanly after the reboot. All fixed now. 73 Dave, G4DPZ FUNCube Team Member

[amsat-bb] Re: Satellites with Transponders

2014-04-12 Thread David Johnson
Hi, Take a look at the web site of Mike, DK3WN: http://www.dk3wn.info/p/?page_id=29535 73 Dave, G4DPZ FUNcube Team Member On 12/04/2014 17:45, Les Rayburn wrote: I've had trouble lately keeping up with the launches of new satellites, and trying to separate those that carry experiments,

[amsat-bb] Re: FUNcube Warehouse Upload Ranking Changes

2014-02-20 Thread David Johnson
Hi, It took 40 minutes to write the code of the train on the way to work this morning and was an interesting challenge and the Google Analytics spiked as soon as I released and and announced it. So I'm happy with it, as are the the FUNcube team. One of those asking for it, is part of the

[amsat-bb] Re: FUNcube Warehouse Upload Ranking Changes

2014-02-20 Thread David Johnson
only helps the project. Plus, if it doesn't hurt anyone, why even care? Much better things to get tweaked about. 73, Drew KO4MA -Original Message- From: David Johnson d...@thejohnsonsonline.net Sent: Feb 20, 2014 4:10 PM To: Bill Bordy, NJ1H n...@comcast.net, Amsat - BBs amsat-bb

[amsat-bb] FUNcube Data Warehouse Realtime Min Max Values

2014-02-12 Thread David Johnson
Hi, Since deployment, we have been capturing the minimum and maximum Realtime values for each channel when they have been uploaded by a groundstation. This has given us a good overview for the early operation and initial commisioning. We have now moved into a steady state of operation and

[amsat-bb] Re: G3RUH plan 13 algorithm help

2014-01-24 Thread David Johnson
HI, Right Ascention of the Ascending node. The point in the orbit at which it crosses the equator going northbound. Here 's a good example: http://www.pe0sat.vgnet.nl/satellite/ 73 Dave, G4DPZ On 24/01/14 08:59, Lizeth Norman wrote: *HI all,Found this at this

[amsat-bb] Re: iOS Sat Tracking

2014-01-16 Thread David Johnson
GoSatWatch gets my vote 73 Dave, G4DPZ Author, AmsatDroid On 16 Jan 2014, at 15:56, Jeff Davis stuck...@gmail.com wrote: Looking for recommendations for sat tracking on an iPad. Thanks. Jeff, KE9V ___ Sent via AMSAT-BB@amsat.org. Opinions

[amsat-bb] High Resolution Data available for download from the FUNcube Data Warehouse

2014-01-03 Thread David Johnson
**Hi, As promised, we are making the High Resolution Data available for download on the Data Warehouse: https://warehouse.funcube.org.uk/highres.html?satelliteId=2 It contains Hi-Res data generated every hour, on the hour for the 60 minutes preceding the extract. Please note that unlike

[amsat-bb] Re: Operating linear transponders - Newbie.

2013-12-30 Thread David Johnson
Hi Peter. If you don't have computer control, always tune the higher frequency. Ie the one with the most doppler. For ao73 keep the rx fixed and adjust the uplink as the doppler changes. 73 Dave g4dpz On 30 Dec 2013 23:39, Peter Wilson prot...@virginmedia.com wrote: Hi all, I have just

[amsat-bb] Re: AO-73 Question

2013-12-26 Thread David Johnson
Hi Peter. The satellite is only in transponder mode when it is in eclipse, with the beacon on low power. In full sunlight it is in beacon mode only. 73 Dave, G4DPZ FUNcube Team Member On 27 Dec 2013 04:55, Peter Budnik kb1...@comcast.net wrote: Dear Felloe Satellite Hams I've been

[amsat-bb] Re: Satellites and IT challenges

2013-12-22 Thread David Johnson
Hi We chose to use https on the funcube warehouse to protect login registration info. It turns out that the certificate provider we use does not fully honour the protocol and does not send the organisation 'O' code. We are aware of the problem and are going to revert back to http and remove

[amsat-bb] Re: Historical AO-73 WOD

2013-12-12 Thread David Johnson
Hi Ron, We have stored realtime, highres and wod since the satellite was first turned on in the lab. The plan is to make this available via a login to the warehouse and allowing download of such correlations. Please bear with us. My todo list is quite long :-) I'm currently working on the

[amsat-bb] Re: General Telemetry Question

2013-12-09 Thread David Johnson
Hi, In the case of FUNcube the on board sensors give their readings as n bit values when they are interrogated. This data is agregated into a data frame for transmission using forward error correction to improve the s/n ratio. The problem with on board conversion is that you would have to store

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

2013-11-23 Thread David Johnson
Hi Steve; Yes, that is the intent. The primary mission is STEM outreach with the beacon in sunlight. 73 Dave; g4dpz On 23 Nov 2013 23:29, Stefan Wagener wagen...@gmail.com wrote: Great! Congratulations. I guess we have to wait until the sat is in the dark to use it here in NA. Just

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

2013-11-23 Thread David Johnson
Hi, Yes you can see that if you look at the realtime pa fwd power in eclipse it varies quite a lot. Ingore the reflected value error. Dave On 23 Nov 2013 23:50, Paul Stoetzer n...@arrl.net wrote: Would the transponder mode potentially have lower average power consumption than full power

[amsat-bb] FUNcube Dashboard/Data Warehouse Registration

2013-11-14 Thread David Johnson
Hi, With the release of the FUNcube Dashboard and it's associated documentation, we have also released help info on how to register your Dashboard for use with the Data Warehouse. Please visit: http://forum.funcube.org.uk/viewtopic.php?f=3t=18 If you have any follow up questions, please

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

2013-11-14 Thread David Johnson
with a different identifier? Thanks Jerry N0JY On 11/14/2013 8:20 AM, David Johnson wrote: Hi, With the release of the FUNcube Dashboard and it's associated documentation, we have also released help info on how to register your Dashboard for use with the Data Warehouse. Please visit: http

[amsat-bb] Re: A0 40 replacement - mode K cubesat?

2013-09-05 Thread David Johnson
Hi, ZACUBE is a HF beacon. Something like this may be a foundation for what you're suggesting. http://amsat-uk.org/2012/08/25/14099-khz-cput-cubesat-to-launch-end-of-november/ It's riding along with FUNcube in the same POD. Take a look at this page, about half way down you'll see the ZACUBE

[amsat-bb] AmsatDroid Free 1.0.6

2013-08-05 Thread David Johnson
Hi, Just a quick note to say that a new version has been released with two additional keps sources. cubesats and NOAA from celestrak. 73 Dave ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join

[amsat-bb] AmsatDroid Free

2013-07-17 Thread David Johnson
Hi, For those of you that do not get automatic updates, the latest version 1.0.5 is now in the play store. Bug fixes and map drawing performance improvements. I also re-introduced the prediction calculation for the current pass. More details of the paid version at the AMSAT-UK colloquium this

[amsat-bb] Re: apogee prediction?

2013-07-16 Thread David Johnson
Hi Bob, Are you looking for the subsat point at apogee? If so the calculation is dead easy. I could add it to AmsatDroid. Dave On 16 Jul 2013 07:49, Bob- W7LRD w7...@comcast.net wrote: Hello (again)...Is there a way (program) that one can predict when the apogee of a given satellite will

[amsat-bb] AMSAT-UK Colloquium Programme

2013-07-15 Thread David Johnson
Hi, I'm pleased to let you know that programme is now complete. However, If you are bursting to share some info with us, I might be able to squeeze in two more 20 minute presentations, one each on Saturday Sunday afternoons.

[amsat-bb] Re: APRS Twitter

2013-07-10 Thread David Johnson
Hi Twitter have a restful API. Take a look at https://dev.twitter.com/docs/api/1.1 73 Dave, G4DPZ On 10 Jul 2013 14:04, Rizwan 'Drake' Merchant kommandantdr...@gmail.com wrote: Greetings AMSAT! I am one of the software engineers on the CAPE-2 Cubesat project at the University of Louisiana

[amsat-bb] Re: HamSatDroid now AmsatDroid FREE

2013-06-09 Thread David Johnson
The problem with development for mobile platforms is that there is no commonality between vendors other than when doing a web based application. That's not viable for ASD as it's intended for offline use. To do ASD for windows would be a completely new development, as would one for iOS. I do

[amsat-bb] Re: Missing helpful feature request

2013-06-07 Thread David Johnson
Hi Greg, Yes that is on the wish list for HamSatDroid already. Unfortunately, there is no centralised repository for this information that is available as a web service which could be polled to get updates.. Mike Rupprecht DK3WN and a number of AMSAT sites have a rich set of info as web pages

[amsat-bb] Re: HamSatDroid 0.9

2013-05-29 Thread David Johnson
Hi, I just had an email from Google Play support and I can't issue 0.9 as it needs the original authors signing key. I am (with the approval of AMSAT) going to move it to AmsatDroid 1.0 as a fund raising app. 73 - Dave On 29/05/13 00:01, Clayton Coleman wrote: Dave, I appreciate your

[amsat-bb] New version of HamSatDroid

2013-05-28 Thread David Johnson
Hi, I'm just in the process of release version 0.9 of HSD. You will have to uninstall version 0.8 and re-install 0.9 because it has a new signing certificate. (I have taken over ownership) New features in this version; Support for phones and 4/7/10 inch tablets Landscape map for ground-track

[amsat-bb] Re: Please make available for Kindle as wel.

2013-01-16 Thread David Johnson
Hi, We will do our best but we cannot target every platform specifically. I already build for four google devices. Nexus 1,S,7 10. The kindle fire and Barnes and Noble devices have to be side loaded and we would have to set up a download site and PayPal payment mechanism for the paid version.

[amsat-bb] HamSatDroid

2013-01-15 Thread David Johnson
Hi, Another update... We are in the process of changing the ownership of the Google Play account that manages HamsatDroid from JCRQ to G4DPZ. This is to allow us to tie the free and paid versions to the same account. There may be a requirement to re-install as the App Signature will change

[amsat-bb] HamSatDroid

2013-01-13 Thread David Johnson
Hi, Just a note to say that there will be a series of updates coming out in the next few weeks which will introduce some of the most popular feature requests. Also a quick heads up to say that once these are done we will be introducing a paid HamSatDroidPlus version which will have a richer

[amsat-bb] Re: Smartphone app antenna pointing???

2012-12-29 Thread David Johnson
Hi It's on the list of ideas for HamSatDroid but the compass sensors do need regular calibration so cannot be guaranteed to work reliably. The Galaxy S is really bad at loosing calibration :-( Dave On 29 Dec 2012 00:38, Doug Faunt N6TQS +1-510-717-1197 fa...@panix.com wrote: It seems to me

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

2012-10-25 Thread David Johnson
: David Johnson d...@thejohnsonsonline.net To: Graham Shirville g.shirvi...@btinternet.com Cc: AMSAT BB amsat-bb@amsat.org Sent: Wed, October 24, 2012 1:01:48 PM Subject: [amsat-bb] Re: Request for a file of amateur satellite frequencies It's one of the features that are planned for HamSatDroid

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

2012-10-24 Thread David Johnson
Hi, That's what I was proposing at the colloquium too. It's easy to set up but someone would have to maintain it :-) 73 Dave On 24 Oct 2012 18:27, Graham Shirville g.shirvi...@btinternet.com wrote: Hi All, This may seem odd but I cannot seem to locate any website that has a simple list of

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

2012-10-24 Thread David Johnson
It's one of the features that are planned for HamSatDroid but it could also be exposed as a service too. Dave On 24 Oct 2012 18:27, Graham Shirville g.shirvi...@btinternet.com wrote: Hi All, This may seem odd but I cannot seem to locate any website that has a simple list of ACTIVE satellites

[amsat-bb] HamsatDroid - Choices

2012-09-05 Thread David Johnson
Hi, To keep all the HSD users in the loop I'm looking at what the basic / paid release should be so that we can get the better navigation / API functions. The problem occurs when it comes to phone v tablet For phone, Android v2.3.3 is recommended For tablet, Android v4.0.3 (or v4.1) to

[amsat-bb] Re: Satellite and/or tracking apps for smart phones

2012-08-21 Thread David Johnson
Take a look at hamsatdroid: https://sites.google.com/site/hamsatdroid/ We've got some major improvements coming up for tablets. Sorry to say that it will be a paid app with funds going to the amsat uk satellite building fund. Which has contributed to many of the projects worldwide. The current

[amsat-bb] Re: Asymetric doppler curves?

2012-06-10 Thread David Johnson
Hi, As do 'Predict' and it's derivatives. My Java open source implementation does u/l and d/l and is used in GENSO for realtime tracking, amongst others. - Dave On 10/06/12 03:23, i8cvs wrote: Hi David, G0MRF If you read the old issues of OSCAR-News from AMSAT-UK you will realize that a

[amsat-bb] HamSatDroid Version 0.8 (SDP4)

2012-02-07 Thread David Johnson
Hi, We are pleased to announce that we've released a new version of the app! This now uses my Java port of John Magliacane's Predict SDP4 to support the elliptical orbit CubeSats to be launched on VEGA. The app is free and is available for download from the Android Marketplace. 73 Dave

[amsat-bb] Re: HamSatDroid Version 0.8 (SDP4)

2012-02-07 Thread David Johnson
Hi, Glad it's being so well used. I'm the new custodian of the code and we've got Juan Ranuarez to thank for the idea and original code-base. WRT landscape mode, that's already being worked on. It uses the built in sensors to detect the rotation. Take a look at the Roadmap on the site:

[amsat-bb] Re: HamSatDroid Version 0.8 (SDP4)

2012-02-07 Thread David Johnson
at 4:38 PM, David Johnson d...@g4dpz.me.uk wrote: Hi, We are pleased to announce that we've released a new version of the app! This now uses my Java port of John Magliacane's Predict SDP4 to support the elliptical orbit CubeSats to be launched on VEGA. The app is free

[amsat-bb] New version of HamSatDroid

2012-01-29 Thread David Johnson
Hi, There is a new version of the free HamSatDroid app now available on the Android Market. I've changed it: - to use my SGP4 implementation, as used in GENSO. - plot three orbits ahead on the map - plot the footprint - take keps from celestrak I've got quite a few more changes in

[amsat-bb] HamSatDroid New Feature Discussion

2011-12-29 Thread David Johnson
Hi, I've released a set of candidate features that have been proposed for HamSatDroid: https://sites.google.com/site/hamsatdroid/news/new-features If you are currently using the app or know someone that is, please take a moment to look at the page and give us some feedback. 73 Dave, G4DPZ

[amsat-bb] Re: Charge for Satellite Tracking?

2011-11-01 Thread David Johnson
Good to see the AMSAT educational papers being mentioned again. I'm using James' 'Sun's Up' paper to model illumination for my FUNcube Orbital model. http://www.amsat.org/amsat/articles/g3ruh/112.html Regards Dave http://www.g4dpz.me.uk On 1 Nov 2011, at 00:11, Peter Guelzow

[amsat-bb] W4/G4DPZ

2011-09-05 Thread David Johnson
Hi Folks, My wife and I will be in Orlando for 10 days from the 10th of September. I'm taking the Arrow and my TH-D7 so when we're not in the parks or Space Center, I hope that I'll catch you on one of the birds or one of the many Orlando repeaters. My thoughts are with my American friends and

[amsat-bb] Re: Tracking Program

2011-08-29 Thread David Johnson
Hi, Take a look at HamSatDroid: http://sites.google.com/site/hamsatdroid/ It's on the Android Market 73 Dave, G4DPZ On Mon, Aug 29, 2011 at 3:12 PM, Joseph Armbruster josepharmbrus...@gmail.com wrote: Harvey, I intended to release an android app that would allow you to map ARISSat-1

[amsat-bb] AMSAT-UK Colloquium 2010 - Final call for speakers

2010-06-17 Thread David Johnson
Hi All, This is the final call for speakers for the AMSAT-UK Colloquium 2010 which will be held at the Holiday Inn, Guildford, UK (same venue as in 2009) on *Sat 31st Jul and Sun 1st Aug 2010*, with a beginners session on the afternoon of Friday 30the. AMSAT-UK invite speakers, about amateur

[amsat-bb] AMSAT-UK Colloquium 2010 - Final call for Speakers

2010-06-17 Thread David Johnson
Hi All, This is the final call for speakers for the AMSAT-UK Colloquium 2010 which will be held at the Holiday Inn, Guildford, UK (same venue as in 2009) on *Sat 31st Jul and Sun 1st Aug 2010*, with a beginners session on the afternoon of Friday 30th. AMSAT-UK invite speakers, about amateur

[amsat-bb] Re: Tracking - End-stop Problem

2010-02-08 Thread David Johnson
Hi Clive, Dave is correct about MacDoppler, it works a treat. What Don (the writer on MD) and I do for GENSO is set a rotator dead spot and indicate to the software that it should allow the elevation to flip the rotators 180 degrees before the pass. The prediction algorithm then knows that if

[amsat-bb] First call for speakers for the AMSAT-UK Colloquium 2010

2010-02-04 Thread David Johnson
Hi All, This is the first call for speakers for the AMSAT-UK Colloquium 2010 which will be held at the Holiday Inn, Guildford, UK (same venue as in 2009) on *Sat 31st Jul and Sun 1st Aug 2010* AMSAT-UK invite speakers, about amateur radio, space and associated activities, for this event. They

[amsat-bb] Re: Android/g-phone satellite tracking application

2009-11-10 Thread David Johnson
. - Dave Jonathan Guthrie wrote: On Fri, 2009-11-06 at 15:07 +, David Johnson wrote: Hi, I'm just writing an IARU Locator App at the moment. Once I've done that, I'll have the gound-station location sorted. I've already ported Predict SGP-4/SDP-4 to Java (in use by Genso) so I think the next

[amsat-bb] Pollux in APRS Database

2009-07-31 Thread David Johnson
Hi, FYI, Here are the counts of records received and stored in my APRSPackets table in the past 24 hours: +-+--+ | count(CallsignSSID) | CallsignSSID | +-+--+ | 44 | PCSAT-1 | | 3 | PCSAT-11

[amsat-bb] Re: Pollux in APRS Database

2009-07-31 Thread David Johnson
Nachricht- Von: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] Im Auftrag von David Johnson Gesendet: Freitag, 31. Juli 2009 15:52 An: Graham Shirville Cc: amsat-bb@AMSAT.Org Betreff: [amsat-bb] Pollux in APRS Database Hi, FYI, Here are the counts of records received

[amsat-bb] Re: ANDE-2 Deployment

2009-07-29 Thread David Johnson
Hi, I'll dig out my ANDE-1 / PCSAT-2 telemetry decoding web site code and put up a site on one of my servers. 73 Dave G4DPZ van Galysh wrote: The hemispheres are about 1/2 inch thick solid aluminum. It's built to be heavy. Ivan Joe wrote: Pretty cool, But Ok I see what is all

[amsat-bb] Re: FUNcube a UK Linear Transponder Satellite

2009-07-27 Thread David Johnson
Hi Joanne, It has been a great weekend at the colloquium meeting old friends, making new ones and watching really interesting presentations. From a personal point of view, it has been a pleasure to prepare the programme of speakers for over 7 years but this was my last time and the committee is

[amsat-bb] Re: amsat colloquim presentations

2009-07-27 Thread David Johnson
Hi, We collected all the presentations and they are going to be put on the we site as soon as we can. 73 Dave Nick wrote: Are the amsat colloquium presentations archived for viewing ? Thanks nick ___ Sent via amsat...@amsat.org. Opinions

[amsat-bb] FUNcube a UK Linear Transponder Satellite

2009-07-25 Thread David Johnson
Hi, AMSAT-UK has announced a new amateur satellite project – FUNcube – that features a 435 to 145 MHz Linear Transponder for SSB/CW operation. The project has received major initial funding from the Radio Communications Foundation (RCF) and is expected be developed in collaboration with

[amsat-bb] AMSAT-UK Keynote Speaker

2009-07-24 Thread David Johnson
Hi, We are pleased to announce that Dr Andreas Mogensen, currently at SSC and recently selected as one of the new the ESA Astronaut corps, has agreed to give a talk in the 1015-1100 hrs slot on Saturday 25th, covering briefly the history of the ESA astronaut corps and then about the steps that he

[amsat-bb] AMSAT-UK Colloquium (2009) Speakers Programme

2009-07-18 Thread David Johnson
Hi, The final (I hope) version of the speakers programme is now available on the AMSAT-UK web site. Unfortunately the hotel is now full but there are still rooms to be found in Guildford using laterooms.com. Therefore, it's still not too late to book in as day visitors, at the hotel, details on

[amsat-bb] AMSAT-UK Colloquium 2009, Guildford England - Final Call for Speakers

2009-05-14 Thread David Johnson
This year AMSAT-UK will be holding their Colloquium on Saturday July 25th and Sunday 26th July at the Holiday Inn in Guildford, Surrey. Details of this and previous events can be found at: http://www.uk.amsat.org/colloquium AMSAT-UK invite speakers, about amateur radio space and associated