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Audio

There was a discussion on gb3kc about why the audio sounds different to that on gb7kr. The latter is narrow band and uses a pair of Kyodo mobile rigs while gb3kc is wideband and uses a mobile repeater unit by the same manufacturer. The audio circuits are basically the...

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KRG Repeaters

Because GB3KC and gb7kr are only 12.5khz apart, GB3KC which was 25khz spec, has recently been converted to 12.5khz. Unless you reset your rigs to "narrow" spacing it will sound quieter than before and your signals may sound distorted.

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S-Units and S-Meters

S-Units and S-Meters Origins The "S" in S-unit or S-meter stands for "(signal) Strength". Originally used in the early 20th century as part of the RST reporting code, this was a subjective assessment of the received signal, based on the following 9 point scale. Faint...

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PSU dilema

PSU dilema

I had to dismantle my shack to extract my only 12v supply to bring to the meeting the other night. Very disruptive. So on the spur of the moment I ebayed this one from Makers Hut. 12v, 20 amps, light as a feather, and cheap as chips. But what I didn't notice was the...

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Feb Practical

Feb Practical

February's KRG meeting included a practical session, and was well attended. We were pleased to welcome two visitors who are working towards their Foundation licences. Some members were unable to attend due to prior commitments. John Bils brought along his impressive...

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Ass

Ass

At last night's AGM the expression "sitting on our arses" was used several times by a visitor. Although I realise he was not accusing us of ACTUALLY sitting on our rears, I would like to make it clear that some of KRG's members care passionately about the group and...

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