WA6TJQ RADIO TELEMETRY PROJECTS

UPDATED 1-22-12

 

My solar powered 1 watt, 2 meter packet weather telemetry station. This is the only (NON APRS) packet weather node on ham radio in my area.

As of 5-2-11 the weather node is up and running, below are the photo's of the project as it was being designed and built.

 

Start of weather telemetry system. Below are the photo's of the 1 watt vhf transmitter I just completed. This radio will be paired up with a Kantronics KPC-2 TNC and Kantronics KTU Telemetry unit.

The weather node will send packet radio users current weather conditions at the weather node site.

The system will report Windspeed, Wind Direction, Outside Air Temp, Rainfall, and the Air Temp inside the weather nodes outdoor electronics enclosure.

START

Start of project shows the old Tempo 2 meter ht with it's transmitter and receiver removed.

 

Transmitter installed on the left side of enclosure.

 

Reciever installed on the inside bottom of enclosure, receiver is now connected to the transmitter.

 

Transmitter and receiver wired into the antenna jack, and tnc radio connector. On the right side wall you can see the 12 vdc to 7.5 vdc power converter. The radio cannot run directly off 12vdc so the voltage converter was added to the circuit.

1 watt telemetry radio all wired and ready for interfacing to the KPC-2 TNC and KTU Telemetry box

Weather nodes windspeed, wind direction, and outside temp sensor up and running

40 watt solar array used to power the weather telemetry station.

 

COMPLETED WEATHER TELEMETRY STATION IN OPERATION

Shown above is the 1 watt telemetry transciever which is connected to a Kantronics KPC-2 tnc, and Kantronics KTU telemetry unit which makes up the system...Windspeed, Wind Direction, Outside Air Temp, and a secondary temp probe to measure the internal electronics temp and a Rain Sensor are attached.

 

Above is a photo showing the inside of the telemetry node 2 meter transciever which I made using a very old Henry Tempo HT. On the right I have a 12vdc to 7.2 vdc converter which runs the Tempo HT..It was not designed to run directly from 12vdc so a converter was used.

 

This page is under construction.

 

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