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Groups > comp.sys.sinclair > #4958 > unrolled thread
| Started by | "OldbieOne" <me@here.com> |
|---|---|
| First post | 2021-04-10 16:10 -0400 |
| Last post | 2021-04-12 13:41 -0400 |
| Articles | 3 — 2 participants |
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Spectrum to ham radio interface designs? "OldbieOne" <me@here.com> - 2021-04-10 16:10 -0400
Re: Spectrum to ham radio interface designs? Ian Spencer <ianspencer@hotmail.com> - 2021-04-11 18:26 +0200
Re: Spectrum to ham radio interface designs? "OldbieOne" <me@here.com> - 2021-04-12 13:41 -0400
| From | "OldbieOne" <me@here.com> |
|---|---|
| Date | 2021-04-10 16:10 -0400 |
| Subject | Spectrum to ham radio interface designs? |
| Message-ID | <s4t0go$1eji$1@gioia.aioe.org> |
Does anyone have a schematic for a basic ham radio interface for a Spectrum 16 or 48k? Thanks -- OldbieOne The Guy Who Tells It Like It Is (TM)
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| From | Ian Spencer <ianspencer@hotmail.com> |
|---|---|
| Date | 2021-04-11 18:26 +0200 |
| Message-ID | <idgm92F427kU1@mid.individual.net> |
| In reply to | #4958 |
Hi, back in the day we did things like transmit and receive SSTV, RTTY and CW using just the cassette input and output ports of the Spectrum withut any additional hardware interface. Ian Am 10.04.2021 um 22:10 schrieb OldbieOne: > Does anyone have a schematic for a basic ham radio interface for a Spectrum > 16 or 48k? > > Thanks > -- > OldbieOne > The Guy Who Tells It Like It Is (TM) > >
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| From | "OldbieOne" <me@here.com> |
|---|---|
| Date | 2021-04-12 13:41 -0400 |
| Message-ID | <s520g9$6dh$1@gioia.aioe.org> |
| In reply to | #4960 |
"Ian Spencer" <ianspencer@hotmail.com> wrote in message news:idgm92F427kU1@mid.individual.net... > Hi, > back in the day we did things like transmit and receive SSTV, RTTY and > CW using just the cassette input and output ports of the Spectrum withut > any additional hardware interface. > I remember that, but it didn't work very well for high impedence tube gear, and there were some isolation boxes out there, like the one from Technical Software somewhere in Wales, but that coimpany is long since gone apparently. Even if it's not, googling "technical software" leads to a dead end due to all the noise.
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