15 seconds initial download to Firefox here, quick hour/date scrolling 
thereafter.

Looks/works great!

73, Jim AA5BW 

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of DK7FC
Sent: Tuesday, December 12, 2017 8:14 AM
To: [email protected]
Subject: Re: LF: RE: Todmorden receiver

Yes, same here. It just takes a few minutes until everything works as expected. 
Running Firefox under Win7 32-bit.
But then, very well! Impressive! And time to leave a trace there again..

73, Stefan

Am 12.12.2017 14:05, schrieb N1BUG:
> Same here but after waiting a minute or so the spectrogram fills in 
> with data and everything works. I think it needs time to download or 
> process data? Firefox Quantum 57.0.1 on Ubuntu.
>
> I must say although the technology behind it is way over my head this 
> is one of the most impressive projects I have ever seen. Very well 
> done and interesting indeed!
>
> 73
> Paul N1BUG / WI2XTC
>
>
> On 12/12/2017 07:43 AM, [email protected] wrote:
>>
>> Sadly this appears as boxes with a blue background without spectrogram.
>> Is there something I can try?
>>
>> Hopefully there was another message last night.
>>
>> 73
>> Joe
>>
>> On Tue, 12 Dec 2017, Paul Nicholson wrote:
>>
>>>
>>>
>>> I think I've got the Hann window working now, it looks a lot better 
>>> and sharpens up the spectrogram quite nicely, eg
>>>
>>>
>>> http://abelian.org/vlf/fbins3.html#p=1512457200&b=285&s=sp&m=cardioi
>>> d&w=h&c=1
>>>
>>>
>>> Thanks once again to Markus who explained what I needed to do with 
>>> the bin phases.
>>>
>>> Version now 2.0dR
>>>
>>> --
>>> Paul Nicholson
>