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FT8 2020.12.04

2020-12-04YO9EATft8DigiModes, SDRLeave a Comment on FT8 2020.12.04

More FT8 monitoring on 40m with a SDR and the balcony corner magloop. Since I’m sure my reception is not that good, the bands must be picking up!

FT8 2020.12.02

2020-12-03YO9EATft8DigiModes, SDRLeave a Comment on FT8 2020.12.02

Well, the poor magloop isn’t doing too bad on receiving, even if it’s stuck in a balcony corner and blocked by buildings.

µBitx v5 power testing with the ATU 100

2020-11-202020-11-15YO9EATatu100, ubitxHardwareLeave a Comment on µBitx v5 power testing with the ATU 100

So, after finishing up my ATU 100, it was time to … you know, actually use it. As I got the ATU 100 to pair up with my µBitx v5, this is what I used to test. Output was into the previously built dummy load, ran two batches of tests: first with 12V into the…(Continue Reading)

Easy 50Ω 50W dummy load

2020-11-172020-11-15YO9EATdummy_loadHardwareLeave a Comment on Easy 50Ω 50W dummy load

Well, as I’m pretty much out of radio activity due to cold weather (no more balcony fishing pole) and the magloop build fail, it’s time to catch up on some backlogged projects. One year after getting my ticket, it’s time to build a dummy load ! Now, there are many ways to do this and…(Continue Reading)

Built the ATU 100

2020-11-152020-11-15YO9EATatu100Hardware1 Comment on Built the ATU 100

So, I wanted to add an ATU to the µBitx v5 I have. Because I’m cheap an amateur hobbyist (and I like putting kits together), the decision went to the N7DDC ATU 100 tuner. I got the kit from Aliexpress. The case is from Thingiverse. good quality PCB, no problems in soldering all SMDs already…(Continue Reading)

A 50% successful magloop

2020-11-06YO9EATantennasHardware1 Comment on A 50% successful magloop

So, winter’s coming which means I can’t keep a balcony window open for hours, in order to keep my fishing pole based EFHW outside. As many of you already know, balcony dwelling isn’t really compatible with HF antennas due to lack of proper space. The only acceptable antenna for apartment dwellers in the winter is…(Continue Reading)

WSPR 2020.10.23

2020-10-24YO9EATrtl_sdr, wsprDigiModes, SDRLeave a Comment on WSPR 2020.10.23

Monitoring WSPR for ~12 hours during the day with the same 20m EFHW. VK3MO‘s setup doesn’t count, it’s way too impressive 🙂

FT8 2020.10.22

2020-10-23YO9EATft8, rtl_sdrDigiModes, SDRLeave a Comment on FT8 2020.10.22

Monitoring FT8 on 20m for 24 hours with a Raspberry Pi, Gqrx, an SDR stick and the crappiest possible installation for a 20m EFHW antenna.

Anything to 13.8V

2020-10-192020-10-19YO9EAThardware, portableHardwareLeave a Comment on Anything to 13.8V

As you know, many/most transceivers want a 13.8 V input – charging voltage of a standard NiMH battery. This does not really match the modern world of LiIon/LiPo chemistry, on which a single cell can have between 3.3 to 4.2V – meaning an 3S pack would be 9.9 to 12.6V (too low) and an 4S…(Continue Reading)

FT8 2020.10.08

2020-10-082020-10-11YO9EATft8, xiegu_g90DigiModesLeave a Comment on FT8 2020.10.08

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Recent Posts

  • FT8 2020.12.04
  • FT8 2020.12.02
  • µBitx v5 power testing with the ATU 100
  • Easy 50Ω 50W dummy load
  • Built the ATU 100

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  • µBitx v5 power testing with the ATU 100 – YO9EAT on Built the ATU 100
  • Easy 50Ω 50W dummy load – YO9EAT on A 50% successful magloop

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