Author | Lightnews

pd0swl @pd0swl.bsky.social · Aug 23

Nice surprise from AOR Japan.
www.hamlife.jp/2025/08/23/h...

New AR-DV3, a much updated and expanded follow-up to the AR-DV1. #HamRadio #Scanner #Trasceiver #Receiver #AOR

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pd0swl @pd0swl.bsky.social · Jun 10

😲 DC - 2,6GHz ??? 🥹😍

#Airspy #Ranger #owow #hamradio #TheRadio

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pd0swl @pd0swl.bsky.social · May 29

QRM art. PWM motor control of washing machine centrifuge. #QRMArt #hamradio #SDR #EMC

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pd0swl @pd0swl.bsky.social · May 22

(side topic) Promised to let you know: On Ebay, look for quote: "diy box 80x50x20" and you'll find the Belka Alu enclosures.

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pd0swl @pd0swl.bsky.social · Apr 20

The wideband signal you clearly see going up & down in the spectrum is PLC. It's basically all over..

pd0swl @pd0swl.bsky.social · Mar 30

Ugly transmitters and aurora, a great show :)

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pd0swl @pd0swl.bsky.social · Jan 25

Bangkok Meteo with its distinct tune quite strong tonight. RX: Reuter RDR52. Antenna: 40cm DIY MAR6 mmic balcony loop. #swl #dx #utilitydx #hamr #reuterelektronik #RDR52

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pd0swl @pd0swl.bsky.social · Jan 17

No. Homeplug is data over in-house mains cabling, which is never insulated RF wise.

pd0swl @pd0swl.bsky.social · Jan 17

Homeplug PLC is not data over power line poles, but data over in-home mains power cables. These are not insulated and function perfectly as HF antennas causing all the trouble in the video. You cannot "dig these in the ground". Homeplug PLC is one of the most stupid inventions ever.

pd0swl @pd0swl.bsky.social · Dec 27

There used to be a social platform where politics & religion was not allowed: Hamradio. Good harmony lasted quite a while...

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pd0swl @pd0swl.bsky.social · Dec 19

Will be following with much interest! Would be great to build it all in a single metal enclosure with a big red REC button :) Thanks for sharing your endeavours!

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pd0swl @pd0swl.bsky.social · Dec 18

This could/should become a commercial product. Will be first in line... Great work!

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pd0swl @pd0swl.bsky.social · Dec 18

Wow. The device we've all been waiting for! RF IQ field recording made ultraportable.

London Shortwave @londonshortwave.bsky.social · Dec 12

The PiZero 2W spectrum recorder runs for 7 hours on two 18650s & a step-down 5V converter (which doesn’t seem to add measurable noise on HF). And of course the batteries are hot-swappable as the unit has its own small UPS battery. The only limitation is the amount of free space on the MicroSD card 📡

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Reposted by pd0swl

Thomas Telkamp @telkamp.eu · Dec 10

Yes! We received Voyager 1 on the Dwingeloo telescope! Not bad for a telescope from 1956 and spacecraft from 1977 📡🛰️
More at www.camras.nl/en/blog/2024...

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pd0swl @pd0swl.bsky.social · Dec 1

Hi Steve, I used my extremely simple DIY loop based on a MAR6 MMIC and Coilcraft WB1010 transformer. Loop element this time was a bent aluminium strip, 1m diameter. Bias-T from Reuter Pocket RX: 5,7V to feed the MMIC.

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pd0swl @pd0swl.bsky.social · Dec 1

RST 479 on indoor loop this year #SAQ #Grimeton #AlexandersonAlternator #100years!!! #hamradio #swl #vlf

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Reposted by pd0swl

EA5XQ - Juan @ea5xq.bsky.social · Nov 24

VLF passionate?
Save the date!

1st December 2024 SAQ celebrates 100 Years!

Transmission schedule on 17.2 kHz:
▫️ 09:30 UTC Start-up of the Alternator.
▫️ 10:00 UTC Transmission of a CW message.

TX Tests on Nov 29th 12:00 PM - 3:00 PM, UTC.
More Info: alexander.n.se/en/

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pd0swl @pd0swl.bsky.social · Nov 23

RFI awards should go to neighbours themselves.

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