Radio Thumbnails

Shevek shevek at
Mon Oct 1 12:23:46 EDT 2012

On 1 October 2012 13:51, Jon Davies <jon at> wrote:
> On 1 October 2012 10:39, Shevek <shevek at> wrote:
>> I have found that you can request any size that follows the correct
>> aspect ratio and the BBC img server serves up the image at that size
> [...]
>> but you can also get the following from a browser
> I think you may have hit upon a size that's supported - I've tried
> various other sizes with the correct aspect ratio, and they don't
> work.  (600x337 (and since the maths isn't exact I tried 600x338);
> 500x281; 300x169; 300x168)

I knocked up a quick C# app to loop through all widths up to 1280,
calculating the height as Math.Floor(w / 16 * 9) and then checking
with a HttpWebRequest for a 200 Status response.

This is the list of all valid sizes for Doctor Who:

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