"Brian Gregory" wrote in message
...
On 24/06/2014 20:18, CJB wrote:
If you touch your Oyster card on a yellow card reader when it's in the
same
wallet or purse as another contactless card, the reader may detect more
than
one card. When this happens, the card reader doesn't know which one to
read
so rejects them and you could experience any of the following:

That's a strange way to describe it.

If there is more than one contactless cards present it's likely that they
will respond to the readers energy field at the same time and the reader
will just see a corrupt response.

anecdotal evidence suggests that the PP was entirely correct

tim