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Sunday, April 19, 2026

Keep your Repeaters, Simplex Radio's and Raspberry Pi's cool

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Image:  PWM Fan Contoller  (Click on image for larger view.) Well this is a bit late to cool things down as we say good bye to summer and he...
Saturday, April 18, 2026

Today, 18 April is World Amateur Radio Day!!

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Invitation: "Saturday Afternoon Amateur Radio On-The-Air Activities"

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I invite radio amateurs to join the "Saturday Afternoon Amateur Radio On-The-Air  Activities".  Please take note that this is not ...
Friday, April 17, 2026

Why do radio amateurs not leave large enough gaps ("overs") between transmissions?

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Does the title of the above article sound familiar?  On numerous occasions the ZS Link Network experience the "to quick on the trigger ...
Wednesday, April 15, 2026

UPDATED: ZS1I WSPR Beacon now active on 10 Meters from Mossel Bay, Southern Cape, South Africa

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(Click on the image for larger view.)  UPDATE 19 April 2026:  The ZS1I WSPR Beacon frequency was changed back to 40 Meters.  The standard 40...

BREAKING: New additions / extensions to the ZS Link Network in the Southern Cape! (Part 3)

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ZS1I MMDVM / DMR Repeater issues and how to fixed them. In the last week or two I ran into some issues regarding the DMR Repeater we are usi...
Tuesday, April 14, 2026

Down Memory Lane: Koffie Drink - Reboot Amateur Radio WhatsApp Groep – 22 Junie 2019 – Root Koffie op George.

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Die afgelope Saterdag, 22 Junie 2019 om 9vm was weer ‘n genotvolle en suksesvolle byeenkoms vir radio amateurs in George by Root-Koffie....
Sunday, April 12, 2026

Zayn ZR3VO - AllStar Portable / Mobile Node Project

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Image: ZR3VO Portable / Mobile AllStar  Node.  (Click on image for larger view.) Zayn informed me that he is busy building an AllStar Porta...