Some application ideas that Clark W8TN has available in your Blog and you can visit at:

https://w8tn.blogspot.com.es/

In one of its inputs explains how to put a maneuver command at the foot of the tower and connected to the ARS-USB is used to manage antennas, for example maintenance, from the same base of the tower. The link is here:

https://w8tn.blogspot.com.es/2017/04/modifying-ea4tx-ars-usb-rotor-controller.html

Or in a previous entry (April 14, 2017) describes the complete system to work via moon bounce (EME):

https://w8tn.blogspot.com.es/2017/04/pointing-my-eme-antennas-at-moon.html

Interesting articles that as always Clark has available in his Blog.

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The AS2x2 is a 2×2 antenna switch designed to be used by 2 Radios and where they can share their antennas. A typical application could be a contest station where there are 2 radios in the same band (RUN and InBand). By default the RUN uses the main antenna and the InBand uses a far away reception antenna.

When the Inband need to make a QSO, the AS2x2 will exchange the antennas, so the InBand will use the main antenna meanwhile the RUN will use the reception antenna, so they can still listen their QRG.

If a linear amplifier is used by the RUN, the Inband can also use it for his transmission. In this case, the AS2x2 is connected between the RUN and the Linea Amplifier.

You can read more about the product at the Shop section

  • AS2x2

    The antenna Switch AS2x2 is a 2 Input Ports into 2 Outputs Ports, usefull for a contest station where you have a Main Radio (RUN) and a Multiplier Station (Inband) at the same band. In this way, the RUN station uses the main antenna(s) while the Inband station is looking for new multipliers or QSOs and uses an RX antenna located far from the main antenna. As soon as the Inband station passes to TX, the switch AS2x2 inverts the antennas, passing the Inband station to use the Main antenna while the RUN does not run out of antenna put to use the antenna of RX.

    The AS2x2 can be connected between the RUN Radio and the Linear Amplifier (in case a Amplifier is used) and between the Inband Radio and the RX antenna. As soon as the Inband Radio activates the PTT the AS2x2 will exchange the outputs, so the Inband will use the Linear Amplifier and the RX antenna will be assigned into the RUN Radio.

    The AS2x2 can be used combined with the Interlock 5R so in this case, the Interlock 5R will control automatically the antenna switching.

     

     

     

    60,00 Add to cart
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As an option to the Interlock we have just added the AuxBox

Any any equipment that don’t incloude an Inhibit signal can use this box for the microphone and cw interconexion.

So the Mic and CW connectors are conneted to this new box and from the box to your Radio. When the Inhibit is activated by the Interlock 5R, the signal will activate the relays inside the AuxBox so the radio will not transmit.

You can read more about the product at the Shop section:

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We have just added 2 remote antenna switchs models to our product list:

  • AS1x6: Remote antenna switch for 6 antennas y 1 output
  • AS2x6: Remote antenna switch for 6 antennas y 2 outputs

Continue Reading…

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This year will be again presents at IberRadio during next 17/18 of September.

Following the success of the first edition held in Parla, we come back with more news and designs.

Continue Reading…

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An excellent choice for remote control of the rotator is using an ARS-USB Unit connected to a Raspberry Pi (Aka RsPi). In this way, you do not need a computer 24 hours on.

There is plenty of information on the Internet about the Raspberry Pi, therefore, the scope of this section will not go beyond basic operation and wiring of the RsPi.

Note: RsPi is a minicomputer that runs on Linux.

Continue Reading…

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We are pleased to announce a new product: EA4TX INTERLOCK. The Interlock device ensures the compliance with Radio Contest rules for the participation in Multi-Operator categories as M/S, M/2 and when Inbands Radios are used. Since Nov/2012 when we designed the first unit for ED1R we have improved and increased features and performance. This video was done by EC1KR at ED1R on 2012/Nov (spanish)

You can read more about it at: [su_note radius=”8″]http://www.ea4tx.com/ea4tx-interlock/[/su_note]

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After many tests and trials with different inclinometers, we have finally selected one that works 100% fine. From now on, we will have in stock as an option to the ARS-USB, an inclinometer which can be ordered separately. The inclinometer is one of the best options for homemade elevation systems based on an actuator – used in satellite TV. An actuator is a system with endless motor, which allows to manufacture very robust and powerful for elevation systems, and that through this inclinometer will feedback its position to the ARS (0 to 90º) Continue Reading…

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The ARSVCOM program use an ActiveX component called: MSCOMM32. This ActiveX is used by the ARSVCOM and other programs/tools included with the ARS Product as ARSConf or Teleloader to have access to the communications port COM.

MSCOMM32 is a Microsoft module but unfortunately Windows 10 don’t support this component. Sincerely I cannot understand the reason since this ActiveX has worked Ok with previous O.S. as Windows 7 or 8.1 but Microsoft has decided not to support it anymore.

Continue Reading…

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This program displays an azimuthal map projected from the user’s location. It was designed to work with the EA4TX USB-ARS controller.   Continue Reading…

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