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Analog TV with Pluto SDR
Posted: Tue May 16, 2023 9:03 am
by 2e0yml
I'm new to ATV and recently started down the QO-100 rabbit hole for which I've picked up a Pluto SDR. My QTH also happens to be close to GB3TV which is a 23cm analog TV repeater. Is there any way to generate analog TV signals with the Pluto or do I need to use a separate modulator?
There are some gnuradio flowgraphs for generating TV signals but nothing as polished as Portsdown etc which might be more suited to a newbie.
Thanks,
Matt
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 9:50 am
by M0SKM
Hi,
GB3TV has had some changes including a DATV input/output. Ask Phil G8XTW for details.
http://www.dunstabledownsradioclub.org/
See the contact page.
Steve
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 12:00 pm
by 2e0yml
Hi Steve,
Thanks Steve. Nice to see you here - I think this is the second time we have crossed paths online, but not on air yet! (Although I do hear you regularly with Arthur...) Will ask Phil about DATV on GB3TV next time we speak.
I'm still interested in whether I can generate analog TV signals with the pluto - even as just a purely academic exercise.
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 12:11 pm
by G8GKQ
Hi Matt
The simple answer is no (to generating FM ATV from a Pluto).
It could probably be done if you wrote some custom firmware, but I doubt that anyone would see it is a good return on their time.
Far better to get going with digital ATV using the Portsdown or DATV Easy.
Perhaps something to discuss with those manning the BATC stand/shop at Dunstable this Sunday!
Dave, G8GKQ
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 12:47 pm
by M0SKM
Matt I will be at the rally on Sunday, hope to see you there.
Steve
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 1:10 pm
by G8GKQ
Hi Steve
Noel will be manning the stand and shop with help from Justin G8YTZ. I have a family wedding in Shropshire this weekend.
73
Dave
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 4:55 pm
by 2e0yml
Thanks Dave.
It turns out that sdrangel has an ATV modulator, although it only sends luminance data but I was able to get a B&W picture across my desk.
I will be at the rally albeit directing traffic. If anyone reading sees a ginger beard in a hi-vis jacket, come and talk to me about ATV
Re: Analog TV with Pluto SDR
Posted: Tue May 16, 2023 5:22 pm
by G8KOE
Hi Matt,
I have a Solent/Worthing 23cms TX KIT.
Also the PLL KIT and XTALS
https://wiki.batc.org.uk/images/f/f1/Solent_Tx.pdf
The link above will give you some information.
If intrested contact me.
73's
Martin
G8KOE
Re: Analog TV with Pluto SDR
Posted: Wed May 17, 2023 9:49 am
by DL5BCA
Hello,
if someone is looking for something well-functioning analogue, they will also find it here:
https://pe1acb.nl/
very good and cheap.
Crafted by an OM at home.
Re: Analog TV with Pluto SDR
Posted: Mon Mar 24, 2025 5:38 pm
by Peterarnld
2e0yml wrote: ↑Tue May 16, 2023 9:03 am
I'm new to ATV and recently started down the QO-100 rabbit hole for which I've picked up a Pluto SDR. My QTH also happens to be close to GB3TV which is a 23cm analog TV repeater. Is there any way to generate analog TV signals with the Pluto or do I need to use a separate modulator?
There are some gnuradio flowgraphs for generating TV signals but nothing as polished as Portsdown etc which might be more suited to a newbie.
Thanks,
Matt
Hi Matt,
I'm also interested in ATV and exploring the capabilities of the Pluto SDR. Have you made any progress in generating analog TV signals with it? Did you end up using a separate modulator, or were you able to achieve good results with GNU Radio?
Also, do you think this plutsdr
https://www.sdrstore.eu/software-define ... hz-6ghz-en/ would be a good choice for experimenting with ATV transmission?
Looking forward to your thoughts!