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Dan

@ok1hra

When dBm the body and morse is spirit. QSY from @RemoteQTH 3D print models on https://t.co/bzajVo2IYp

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Obcas se nekdo zepta, a kam se vlastne dovolate? Snazim se vysvetlit, ze otazka nezni kam, ale kolikrat signal obehne zemekouli. Kdyz jsem s tim naposledy experimentoval, maximum bylo tri detekovatelne oblety - dva jasne slysitelne. hra.remoteqth.com/chirp/20111225…

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Dan Reposted

Enjoy cycle 25’s solar maximum with your modest station! ☀️ Carl Luetzelschwab, K9LA, shares how in his Dec #QST article, “Worldwide Fun with 100 W and a Dipole.” Read it for free➡️ arrl.org/this-month-in-… #hamradio #amateurradio

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OK-OM DX contest now! #CW

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Upgrade prevodu tisteneho rotatoru na polykarbonat se 100% vyplni, a rozdani bodu z powerbanky v A1 na 2m ;)

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One of the most active hams I know, not only on bands.

OK2RZ & OK4YL

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Remix tohoto skveleho napadu, Tomas promine ;) printables.com/model/1042957-…

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Se musím pochválit. Powerbanka 4S LiFePo 10Ah pro prime napajeni radiostanice. Celkova kapacita 128 Wh. Komplet vsechny USB PD protokoly. Nabiji mi to pocitac, tablet, necha se to nabijet 80W primo z adapteru. Na XT60 konektorech to da zajimave proudy. Nabijeni mozne i ze solarka

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Dan Reposted

🚨 Pozor uz tento vikend! 🚨 👉 CQ WW SSB: October 26 - 27, 2024 👉 Sobota 00:00 UTC 👉 Nedela 23:59 UTC 🤩 CU, GL! 73 👋

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Je tam! Kometa C/2023 A3 (Tsuchinshan-ATLAS) Ještě pár dní za jasného počasí, touto dobou...

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Nekolik vylepseni/rozsireni predchoziho modelu...

New VHF yagi antenna insulators for 3D printing (parameterizable). printables.com/model/1003912-… @G0KSC

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GM4YXI 1300 km na 2m #aurora právě teď ;)


Tohle ma potencial udrzet horni hf pasma otevrena celou noc, bohuzel ma vecer dorazit prvni CME z predchozich erupci. Snad se ionosfera brzo zotavi ;)

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Jedna z nejsilnejsich erupci za posledni roky ;)

X7.1 solar flare observed around AR 3842 at 22:20 UTC (Oct 1). Stay tuned for updates regarding a possible Earth directed CME. SolarHam.com

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Dan Reposted

This weekend some activities for #FY5KE by #contesting in #RTTY on #CQWWDX contest. #hamradio @cqww #cqwwrtty CU on the air

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Trautenberkovo ;)

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WH7T v solidní síle, i po setmění na 10m, právě teď ;) Good #CONDX


Když je potřeba posílit kotvení ;)

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Dan Reposted

Today's X4.5 solar flare from sunspot region 3825 was highly eruptive. A fast coronal mass ejection was launched and the bulk of it is heading east of our planet, but there is a faint full halo outline visible on LASCO coronagraph imagery. We expect a glancing blow during the…

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Dan Reposted

HUGE ERUPTION TODAY (2024/09/14) that resulted in a bright and fast CME. The accompanying coronal wave covered a large volume of the lower corona. The associated flare in AR 13825 was X4.5. Despite the region's eastern hemisphere location, protons in >50 MeV channel increased.


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