Friday, November 25, 2011

Table-top version of JOTA Transceiver built by Sudhindraraja, VU3PWT

JOTA TRx. in a box
Table-top JOTA Transceiver


Sudhindraraja, VU3PWT, an Amateur Radio enthusiast and a home-brewer built this table top version of the JOTA Transceiver.

An acrylic sheet was used to built the transmitter and  receiver sections. A common MHz VFO was used as local oscillator for both transmitter and receiver. A 7-segment LED frequency counter display, volume control, speaker, MIC jack and tuning knob was mounted on a separate acrylic sheet. For TX. and RX., power and antenna switching was done by a D.P.D.T. relay.

Using this Table top version of the JOTA TRx., an Indonesian HAM was contacted.

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