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Finally

@Team_SN7L
is Multi-Operator Champion in #VHF@IARU_R1 Contest#144MHz 2019 from JO70UR Śnieżka Mountain
over 1602m ASL. 
Official results https://iaru.oevsv.at/ Congratulations to 
#DA0FF
#DL0GHF#G8P#OE1W and others for their high scores@SO3Z_Andy@SQ3SWFpic.twitter.com/rsiuBR2beO
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AD8317 RF power meter is alive! Todo: housing, a few buttons and obviously - a proper calibration. I prefer the tiny OLED over 2x16, especially for a handheld device.pic.twitter.com/fMXbH3INlM
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Szrenica
Few hundred meters away from @Team_SN7L old contest QTH
pic.twitter.com/5CH7ccaZjc
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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SQ3SWF proslijedio/la je Tweet
Inspired by
@ea4gpz's recent blog post, tried to send some 2 kbaud DVB-S2 short frames through the#qo100 narrowband transponder. Looks like I need to GPS-lock all my stuff.pic.twitter.com/LkgRvKFQNT
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SQ3SWF proslijedio/la je Tweet
I couldn't attend
#36C3 so I’ve got a spare ticket to sell or give away if you can’t afford it (paying a part of full price also works). Revolut or SEPA preferredHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Poor man's SAQ 17.2 kHz receiver - TL072 op-amp, rtl-sdr in direct sampling mode & 3 meters of wire as antenna. Not great, not terrible - lot of room for improvement, but I easily copied the CW message.
#hamradio#vlf#saq#grimetonpic.twitter.com/zlGZIIcrXg
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That's a cute little detector. I'm going to box it, calibrate it and make it into a serious power meter
#hamradio#ghz_bandspic.twitter.com/XAiFom1PZ8
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SQ3SWF proslijedio/la je Tweet
Can You see QO-100? Look on Milan Antoš picture... http://www.astrofotky.cz/gallery.php?show=MilAN/1571816002.jpg …pic.twitter.com/LVcrAg8Nj2
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Local 23cm beacon heard at the same time on 2ppm tcxo Pluto (left) and stock Airspy Mini (right). Pluto drifts upwards during warmup period, Airspy goes down (~2 minutes bottom to top) Airspy carrier is wobbly, much more stable (and pleasant to listen to) on Pluto.
#hamradiopic.twitter.com/qXJ5zn9Mo2
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I replaced stock oscillator in Pluto with cheap (<$1) tcxo. Plug and play, no need for any changes on PCB, pad layout fits. Should help with ssb on
#qo100pic.twitter.com/S9U9m6XZyx
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SQ3SWF proslijedio/la je Tweet
5 autumn microwave workshops 2019 5 Jesienne Warsztaty Mikrofalowe 2019 photos https://drive.google.com/drive/folders/1gLek1YVjZO_0jRiCaHQf1OwCtmRCBoLa …
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Are these calibration kits good enough for NanoVNA, or do I need to find something better..? ;-)
#hamradiopic.twitter.com/lBcCYENgEb
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50 years old VHF bandpass filter made by SP1CNV. It aged well!
#hamradiopic.twitter.com/rB8XrtJCJB
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SQ3SWF proslijedio/la je Tweet
How decrease the noise figure very fast???
#hamradio#RFpornpic.twitter.com/wh04ihh73pHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
SQ3SWF proslijedio/la je Tweet
W1GHZ's Microwave Antenna Book is online at http://w1ghz.org . Paul's book is an excellent resource for
#GHz_bands. If you haven't seen it, look at it. He has added an update of Chapter 7, Slot Antennas, and an improved 32-bit version of the HDL_ANT program for Windows.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
You wouldn't download an amplifier, would you?https://twitter.com/g4bao/status/1194228652323549184 …
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