[aprssig] SSTV camera from Argent

Andrew Rich vk4tec at tech-software.net
Wed May 25 17:32:58 EDT 2011


What is the relationship between the number of lines in the video and the 
SSTV image ?

- Andrew -

----- Original Message ----- 
From: "Scott Miller" <scott at opentrac.org>
To: "TAPR APRS Mailing List" <aprssig at tapr.org>
Sent: Thursday, May 26, 2011 7:06 AM
Subject: Re: [aprssig] SSTV camera from Argent

>> Judging from the sample pic on Scott's website, the text overlay is at
>> such a small point size that it would be nearly illegible in the Robot
>> mode. I assume you would will implement the switches or jumpers to force
> It doesn't do the character generator at all in Robot mode.  I initially 
> put it in because the Scotty modes were 256 lines and the camera scaled 
> down most easily to 240 lines, so I was left with 16 lines to fill up.
>> How well does the gadget deal with daylight light levels?
> It does OK, though I think it doesn't have an IR cut filter so colors can 
> be off.
> Once I get a frame buffer set up to handle BT.656 data, I'll have a lot 
> more camera options - both NTSC/PAL decoders and modern cell phone style 
> cameras.
> Scott
> N1VG
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