FUNcube-1 (AO-73): First Transponder Test

Howard Long G6LVB working AO-73 while Ciaran Morgan M0XTD captures the downlink passband data using a FUNcube Dongle Pro+ and Microsoft Surface Tablet

Howard Long G6LVB working AO-73 while Ciaran Morgan M0XTD captures the downlink passband data using a FUNcube Dongle Pro+ and Microsoft Surface Tablet

The first test of the FUNcube-1 (AO-73) SSB/CW linear transponder took place on Friday, November 22. The transponder was successfully commanded on at 10:49 UT and at 10:51 GB3RS successfully transmitted through the inverting transponder using a pair of Yaesu FT-817 transceivers and an Arrow dual-band antenna.

FUNcube-1 flight model - Image credit Wouter Weggelaar PA3WEG

FUNcube-1 flight model – Image credit Wouter Weggelaar PA3WEG

A two-way contact was then made between GB3RS and G0AUK who worked each other at 10:53 UT. Both stations were operating from the Bletchley Park car park each running 5 watts PEP to Arrow antennas.

Ciaran Morgan M0XTD captured the entire downlink passband during the pass on a Microsoft Surface Tablet using a FUNcube Dongle Pro+ SDR connected to an Elk dual-band antenna.

FUNcube-1 carries a 20 kHz bandwidth transponder for SSB and CW communications. To reduce the Doppler shift the transponder is inverting meaning that a Lower Sideband (LSB) signal on the uplink comes out as an Upper Sideband (USB) signal on the downlink.

Testing and analysis of the telemetry data from FUNcube-1 (AO-73) is continuing.

Thank you to all stations who have provided telemetry so far. More telemetry data is needed to enable the FUNcube team to characterise the satellite.

We would encourage stations to download the Dashboard software to receive the telemetry and upload it to the Data Warehouse

The FUNcube Team hope to do further transponder tests possibly Saturday, November 23.

FUNcube-1 Deployed !!! https://amsat-uk.org/2013/11/21/funcube-1-deployed/

BBC TV visit FUNcube station at RSGB National Radio Centre
https://amsat-uk.org/2013/11/22/bbc-visit-funcube-station-at-rsgb-national-radio-centre/

FUNcube website http://www.funcube.org.uk/

FUNcube-1 (AO-73): First Fitter Message Uploaded

First Fitter Message Uploaded (FM8)

First Fitter Message Uploaded (FM8)

On Thursday evening the FUNcube team successfully uploaded the first Fitter message to the FUNcube-1 (AO-73) satellite.

‘Fitter’ is derived from ‘Twitter’. So it’s like a tweet, but via FUNcube.

The message is a short (200 characters maximum) text-like message which can be uploaded to the satellite (by authorised ground stations), and which can be transmitted several times every five minutes or so. It will continue to be retransmitted until such time as it is replaced by a new Fitter Message.

The message uploaded was:

Thanks to ZS1LS for receiving and uploading the first FUNcube-1 (AO-73) packets

There is memory space for a total of nine such Messages (total 1800 characters).

FUNcube-1 Deployed !!! https://amsat-uk.org/2013/11/21/funcube-1-deployed/

FUNcube-1 spacecraft now named AO-73

FUNcube-1 flight model - Image credit Wouter Weggelaar PA3WEG

FUNcube-1 flight model – Image credit Wouter Weggelaar PA3WEG

The FUNcube team are delighted to be able to release the formal email received at the Bletchley Park monitoring station on the afternoon of Thursday, November 21, informing us that the FUNcube-1 spacecraft can now be referred to as AMSAT-OSCAR-73 (AO-73).

Congratulations on the successful launch of the FUNcube-1 CubeSat, launched this morning from Yasny in Russia at 07:10:10.47 UTC November 21st 2013.  

Since FUNcube-1 meets all of the requirements for being issued an OSCAR number, including coordination through IARU and requesting such a number; I, under authority vested in me by the President of AMSAT-NA, do hereby name FUNcube-1, ”AMSAT- OSCAR-73″ or “AO-73.”

I, and all at AMSAT-NA wish AMSAT- OSCAR-73 great success in fulfilling all of its mission objectives and we welcome it to the long list of Amateur Radio satellites.

73,

William (Bill) Tynan, W3XO
OSCAR Number Administrator

FUNcube-1 Deployed !!! https://amsat-uk.org/2013/11/21/funcube-1-deployed/

FUNcube-1 Loud and Clear in Essex

Data being received from FUNcube-1 1028GMT Nov 21, 2013

Data being received from FUNcube-1 1028GMT Nov 21, 2013

Pete Sipple M0PSX from the Essex Ham website was one of a handful of UK amateurs to receive and decode the data signals from the satellite in its second UK pass at 10:28 GMT today.

Pete had tried receiving the first pass over the UK just before 09:00 GMT, but this was very low on the horizon and he wasn’t able to receive it here in Essex. At the time FUNcube-1 was on low power running just 30 mW by the time of the second UK pass it was running high power, 300 mW.

You can see screenshots of the data, an audio recording of the pass, and details on how to receive signals from FUNcube-1 on the Essex Ham site:
http://www.essexham.co.uk/news/funcube-1-live-and-heard-over-essex.html

The audio of FUNcube-1 received in Essex on an omni-directional colinear
http://www.essexham.co.uk/media/funcube_1028_21nov13.mp3

FUNcube-1 Deployed !!! https://amsat-uk.org/2013/11/21/funcube-1-deployed/

FUNcube-1 on BBC News

FUNcube-1 flight model - Image credit Wouter Weggelaar PA3WEG

FUNcube-1 flight model – Image credit Wouter Weggelaar PA3WEG

The BBC report that the Dnepr rocket launching from Yasny in Russia has set a record for the most payloads carried to orbit in a single mission.

They say the converted intercontinental missile released 32 objects in space – mostly small, so called “cubesats”.

Read the BBC story Rocket deploys spacecraft armada at
http://www.bbc.co.uk/news/science-environment-25035490

Story on NASA Space Flight
http://www.nasaspaceflight.com/2013/11/russian-dnepr-record-breaking-32-satellite-haul/

ADS Advance Magazine
http://adsadvance.co.uk/uk-s-funcube-1-satellite-launches-successfully.html

Florida SwampSat Team Request Assistance

Dr Norman Fitz-Coy with SwampSat

Dr Norman Fitz-Coy with SwampSat

The SwampSat team at the University of Florida is requesting assistance in collecting telemetry from their 1U pico-satellite, which was successfully launched at 01:15 UT on November 20.  SwampSat will begin transmitting a beacon after 01:15 UT on November 21 (24 hours after launch).  The details are:

Tx frequency = 437.385 MHz
AFSK modulation
9600 baud, 60 second interval
AX.25
1 W transmission power

The call sign is currently WG4SAT.  Any operators who are able to copy telemetry are encouraged to send it to telemetry@swampsat.org.  Telemetry strings can be pasted into the email body, or attached as a text file.  Please include your call sign in telemetry submissions.  We will be distributing some more automated tools in the near future.

Your assistance is greatly appreciated.

Sincerely,
The SwampSat team
University of Florida

University of Florida Small Satellite Design Club (SSDC) http://www.ufsmallsat.com/

Gator Amateur Radio Club http://www.gatorradio.org/

Unveiling of Florida Student CubeSat SwampSat
https://amsat-uk.org/2012/06/30/unveiling-of-florida-student-cubesat-swampsat/

SwampSat on TV News https://amsat-uk.org/2012/06/19/swampsat-on-tv-news/