SSTV Activity From the ISS 4 – 5 August 2020 (2) – Results

Examples of images received by SBARC members

4 – 5 August 2020 saw the broadcasting of SSTV images from the International Space Station, the Club had primed its members by

  1. Preparing pass predictions for the two days based on the Clubhouse location;
  2. Announcing the planned activity periods through its on-line News Posts and via
    • The Clubs News Post RSS feed linked to the Clubs public and private members Groups.io mailing list;
    • The Clubs FACEBOOK page;
    • The Clubs LINKEDIN page; and
    • The Clubs TWITTER feed.
  3. Placing timed TWEETS in Clubs TWITTER feed to announce the imminent visibility of the ISS; and
  4. Commenting on, quoting, liking and retweeting many of the ISS SSTV related TWEETS, particularly those made by Club members;

The Clubs original News Post also contained links to

  • The AMSAT guide to receiving SSTV from the ISS using home equipment;
  • AN ESA video guide to receiving images from the ISS using the Goonhilly Web SDR; and
  • Links to suitable software for Windows, OSX, Linux (inc Raspbian), Android and iOS.

The pass prediction table looked like this

Table of ISS Passes

Novers Park Community Association, Rear of 124 Novers Park Road, Bristol, BS4 1RN

Latitude (degrees N-S where North is +ve): 51.425400°
Longitude (degrees E-W where East is +ve): -2.593882°
Elevation (metres Above Ordnance Datum AoD): 64m

Notes

In the table below

  1. Table Entries with no background colour indicate passes where: 0° < Maximum Elevation ≤ 30°
  2. Table Entries with a yellow background indicate passes where: 30° < Maximum Elevation ≤ 45°
  3. Table Entries with a green background indicate passes where: 45° < Maximum Elevation ≤ 90°
  4. Azimuth or Bearings are measured in degrees clockwise from North
Pass No. Date (UTC) Acquisition of Signal “AoS” Maximum Elevation Loss of Signal “LoS” Pass Duration
(Hr:Min:Sec)
Time (UTC) Azimuth or Bearing Degrees Above the Horizon Azimuth or Bearing Time (UTC) Azimuth or Bearing
1 04/08/20 12:44:07 190 11 130 12:52:51 83 00:08:44
2 04/08/20 14:19:15 233 41 140 14:29:58 76 00:10:43
3 04/08/20 15:55:49 264 87 318 16:06:46 85 00:10:57
4 04/08/20 17:32:39 281 76 196 17:43:35 108 00:10:56
5 05/08/20 11:57:26 176 6 135 12:04:56 88 00:07:30
6 05/08/20 13:31:54 224 29 171 13:42:24 76 00:10:30
7 05/08/20 15:08:15 257 84 183 15:19:12 81 00:10:57
8 05/08/20 16:45:05 278 87 224 16:56:02 101 00:10:57
9 05/08/20 18:21:52 284 33 192 18:32:27 133 00:10:35

Below are some “warts and all” examples of the images received by members of the Club, if any members have not submitted their images and would like to do so please send them to the e-mail address at the bottom of the page. In some cases the image shown is a composite of that image from a number of passes.

There were 12 images in the set this time, focussing on aircraft generally and specifically helicopters. On the first day there was a protracted pause between images with a number of stations reporting 5 minute gaps between the 2 minute (or thereabouts) images. On the second day the routine had returned to the more usual 2 minutes of image followed by 2 minutes of rest reducing the overall transmit duty of the equipment on the ISS to 50% and allowing for the reception of 2 and sometimes 3 images on a single good 10-11 minute duration pass.

The Received Images

Image 1/12

ISS SSTV Image

Variable Information
Received on Pass 7
Received and Decoded by Kevin M7AWX
Location IO81la
Equipment Kenwood TH D74 handheld with manufacturers set-top whip indoors
Android phone running Robot36
Acoustic coupling by holding phones microphone to handhelds speaker
Comments First licenced 23/07/2020 less than 2 weeks beofre this ISS SSTV activity period.
This image was also received on the same pass by G7KNA in IO81ok, but the copy received by M7AWX is better quality.

Image 2/12

ISS SSTV Image

Variable Information
Received on Pass 1 and 6
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Pass 1
Yaesu FT857D, loft mounted colinear, Signalink USB, QSSTV
Pass 6
Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments Composite image

Image 3/12

ISS SSTV Image

Variable Information
Received on Pass 6
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments  

Image 4/12

ISS SSTV Image

Variable Information
Received on Pass 5
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments Low angle pass

Image 5/12

ISS SSTV Image

Variable Information
Received on Pass  
Received and Decoded by  
Location  
Equipment  
Comments  

Image 6/12

ISS SSTV Image

Variable Information
Received on Pass  
Received and Decoded by  
Location  
Equipment  
Comments  

Image 7/12

ISS SSTV Image

Variable Information
Received on Pass  
Received and Decoded by  
Location  
Equipment  
Comments  

Image 8/12

ISS SSTV Image

Variable Information
Received on Pass 4
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments

Image 9/12

ISS SSTV Image

Variable Information
Received on Pass  
Received and Decoded by  
Location  
Equipment  
Comments  

Image 10/12

ISS SSTV Image

Variable Information
Received on Pass 9
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments

Image 11/12

ISS SSTV Image

Variable Information
Received on Pass 8 and 9
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments Composite Image

Image 12/12

ISS SSTV Image

Variable Information
Received on Pass 7 and 8
Received and Decoded by Andy G7KNA
Location IO81ok
Equipment Yaesu FT817ND, end fed quarter wave on car, Signalink USB, QSSTV
Comments Composite Image

Copies of all of the images received by various Amateurs and SWLs around the world have been uploaded to the ARISS Gallery.

About Andy (G7KNA) 119 Articles
BEng CEng MICE. Chartered Civil Engineer and Licensed Radio Ham (G7KNA). Member of South Bristol Amateur Radio Club since 2005 and Secretary since 2010. I am a registered RSGB Assessor for Foundation, Intermediate and Advanced Exams. Away from the club and work I play with computers and related gadgets exploring Open Source software and when necessary bodge the odd DIY project.