[amsat-bb] SSTV-friendly fonts

Dave Taylor ariss.w8aas at gmail.com
Fri Oct 9 12:41:24 UTC 2020


SSTV was sent from the same radio that has been used for previous events, a D710E in the Zvezda (Service) module.  

Dave, W8AAS


> On Oct 9, 2020, at 6:05 AM, Loren M. Lang via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> If I recall, one of the big reasons computers used san-serif fonts is
> because they have a simpler construction and read better at low resolution.
> Serif is easier for humans to read large blocks of text like a book, but
> requires a higher resolution to be effective.
> 
> Also, I've heard some people reporting that the images were just a little
> less sharp than previous events like this. I haven't compared myself. I
> believe there is a new radio onboard. Is there a possibility that the audio
> path from the computer to the RF modulator is being bandwidth-limited
> somehow preventing the higher frequency edge transitions in the image from
> retaining their sharpness?
> 
> -Loren
> K7IW
> 
> 
> On Thu, Oct 8, 2020, 14:12 Greg D via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
>> Hi folks, but mostly the ARISS team,
>> 
>> First, thank you for hosting the extended SSTV event on the ISS.  It was
>> long enough that I was able to coach a few folks who had problems one
>> day, have a success the next.  Also thank you for including English
>> subtitles to the predominantly Russian images, and Spanish for the one I
>> saw regarding Equador's nanosat.
>> 
>> But a request...  Is there a better font which could be used for future
>> events?  I noted several folks here who were able to grab an image, but
>> couldn't read any of it, not even the part in their own native
>> language.  A sans-serif font would be a good starter, perhaps one with
>> skinnier lines (less bold) would help too.  Any text at this resolution
>> is hard, and I'd rather pick a more friendly font than try to increase
>> the size for readability.  Pictures are more pleasing than text.
>> 
>> To the general population, is there a "best" font that can be
>> recommended for the text used for Latin-based languages at this
>> resolution, and with this sort of "propagation"?
>> 
>> Greg  KO6TH
>> 
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
> are solely those of the author, and do not reflect the official views of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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