BBC radio london programmes - why do my recordings end up "mono"?

[Jeremy Nicoll - ml get_iplayer]

Mable Syrup <blackonesugar at yahoo.co.uk> wrote:

[snip]

Seeing this list of programme attributes reminded me of something I've been
meaning to ask:

> ...
>fileprefix:    
Robert_Elms_-_With_Oz_Clarke_Tom_Hall_Philip_Pittack_and_Martin_White_p01fjv45_default
>firstbcast:     default: 2013-09-07T09:00:00+01:00
>firstbcastrel:  default: 1 days 14 hours ago
>index:          12368
>lastbcast:      default: 2013-09-07T09:00:00+01:00
>lastbcastrel:   default: 1 days 14 hours ago

I put the firstbcast & lastbcast names into my --file-prefix template for
both TV and radio fetches some time ago, but I don't think I've ever seen a
file where the values are different.  That's fair enough for recent
brand-new programmes, but not what I expected for ancient radio comedies.   

Does anyone get realistic values for these dates?

-- 
Jeremy Nicoll - my opinions are my own.