Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Ian Spencer Newsgroups: comp.sys.sinclair Subject: Re: Spectrum to ham radio interface designs? Date: Sun, 11 Apr 2021 18:26:10 +0200 Lines: 19 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net BICJof7MGw+6rk5amh0yAQiz6MrM4gw7AiuAoPSM+5jiLWftPE Cancel-Lock: sha1:FPdfNpIAnFhFkZNyRAknDAvDxus= User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 In-Reply-To: Content-Language: en-GB Xref: csiph.com comp.sys.sinclair:4960 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) > >