Portsdown 4 Langstone Integration Correct USB audio dongle?

Discussion about this major DATV Project. See https://wiki.batc.org.uk/The_Portsdown_Transmitter
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M0NDE
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Joined: Mon Mar 27, 2023 12:55 pm

Portsdown 4 Langstone Integration Correct USB audio dongle?

Post by M0NDE » Sat Nov 15, 2025 3:09 pm

I am starting to explore the addional benefits of Portsdown 4 beyond QO100 wideband reception having seen briefly Langstone at the RSGB convention.

In The wiki "Portsdown 4 Langstone Intergration" - "Background" section it states "Check you have.. The correct USB audio dongle Non supported USB dongles will not work.

My system comprises Portsdown 4 recently updated, Pluto, Minitiuner, Audio out from Pi.

Please can someone clarify where is the correct USB dongle defined?

Thanks

Nigel M0NDE

G8GKQ
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Re: Portsdown 4 Langstone Integration Correct USB audio dongle?

Post by G8GKQ » Sat Nov 15, 2025 3:19 pm

Hi Nigel

Not easy to find on the Wiki, but it is there: https://wiki.batc.org.uk/Portsdown_hard ... ure_Device

I have recently bought some from: https://www.ebay.co.uk/itm/173262756574

73

Dave, G8GKQ

M0NDE
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Re: Portsdown 4 Langstone Integration Correct USB audio dongle?

Post by M0NDE » Sat Nov 15, 2025 4:48 pm

Thank you Dave,
On order from Ebay
73 Nigel M0NDE

G4DOT
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Joined: Sat Jul 12, 2025 3:36 pm

Re: Portsdown 4 Langstone Integration Correct USB audio dongle?

Post by G4DOT » Mon Dec 15, 2025 10:40 pm

I have one on order too - Thanks for the tip.

Slightly concerning that it's described as a 7.1 channel audio interface but as long as it works I'll be happy.

On that note, is there an obscure menu option or other easy way to confirm that it definitely is working?

I'm still in the build phase and have a Pluto but no PA so can't easily do a transmission test to confirm it.
(Audio level monitor on the transmit screen would be my dream but I suspect there's a "very" long list of more essential features ahead of that in the wish list.)

radiogareth
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Re: Portsdown 4 Langstone Integration Correct USB audio dongle?

Post by radiogareth » Tue Dec 16, 2025 7:15 am

To be honest it 'just works' in every PD4/Langstone I've built. If it's not working, Langstone tells you and exits during startup, which reminds me to plug one in....
If you have a ryde for Rx, a bare pluto with it's supplied antenna on 70 or 23cms and a bit of wire poked into the Ryde socket will work fine across the shack.
Gareth

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