Category: Techniques

Χρησιμοποιώντας δυο Aσύρματους σαν Repeater

Η ιδέα δεν είναι καινούργια, και μπορεί να το κάνει ο καθένας διασυνδέοντας δύο ασυρμάτους μεταξύ τους ώστε να λειτουργούν σαν Repeater (Επαναλήπτης) για να καλύψει σημεία που δεν έχουν επαφή μεταξύ τους.

Η σύνδεση γίνεται με καλώδιο μεταξύ της εξόδου του μεγαφώνου του πρώτου ασύρματου  (που ακούει), και του δεύτερου που αναμεταδίδει στην υποδοχή του μικροφώνου του.

Στο YouTube υπάρχουν δύο σχετικά βίντεο αλλά κάτι δεν πάει καλά με την συνδεσμολογία τους.

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Setting up 2 Radios as a Repeater

There is a good chance that you have already watched at least one of the following Youtube  videos.

Both show how to make a repeater by linking two radios (usually Baofengs). But I am having my reservations about the wiring they use.

This one has it DEFINETELY wrong.Set up a Baofeng UV-5R Repeater System

Similarly,  Miklor’s site shows the same method in detail.

The reason is explained in the second video, but still I cannot get what he is doing with the wiring.

HAM repeater (field expedient) using UV-5R Radios

So let’s take it from the start.
Below is the Kenwood type interface, applicable to most Chinese radios our there (Baofeng and Wouxons for sure).

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A look at some Older Articles of ours

The SurvivalComs blog sprouted from our other blog, the GreekPreparedness Blog.

In there one can also find articles on survival communications.

Yu can have a look at them by following the relevant links.

 

A Spare-Emergency Cell Phone Kit

 

Battery Banks for Handheld Radios

DIY Handheld Radio External Battery Pack

My HT Radio Powerbank, Generation 2

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Notable Notes 1: A Typical Short Wave Radio Setup

CommPreper is always of good source of descriptive videos on Field/Survival Communications and this one is no exception.

In a short time he demonstrates the parts and the setup of a field radio station.

Briefly described, he uses a HF radio connected to a laptop running RMS Express, a (digital) text messaging app. Usually there should be a modem like device between the too, called TNC, that transforms the digital PC signal to Analog and vice versa.

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