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YO8RXP

YO8RXP

Home made to the bones

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Month: February 2020

Contest Entries

ARRL International DX CW Contest 2020

15 February 2020, Arrl Int’l Dx Contest is just about to start at 00:00 UTC (2 AM local time). 10…

yo8rxpFebruary 18, 2020October 6, 2020
Antennas

Ham radio – Abstract paintings

Here is my daughter Amelia drawing ham radio activities. From left to right: Dad raising an inverted Vee Making path…

yo8rxpFebruary 18, 2020June 10, 2021
Home made

Hf Contest Front-End Cw Filter

Chers all ! How many of us dreamed about having  some kinda extreme narrow preselector for CW contests when  lower…

yo8rxpFebruary 17, 2020September 15, 2020
Software

Icom IC-7300 USB python 3 control

Linux controlling Icom IC-7300 In order to control IC-7300 using Python under linux we need to  instantiate serial object first.…

yo8rxpFebruary 8, 2020February 17, 2020

Future project: 20 meters bidirectional yagi

Testing a relay switch East / West 3 elements inverted vee I have found to be difficult and loosing points to manually switch directions.

Therefore I have simulated a bidirectional antenna, 9.6 dBi at 25 degrees and 0.2 dBi at 5 degrees Take off Angle @ 10 meters height.

Once tested, will publish the result here

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