SWLing Post Message Board

Hi Paul, Nice to see you here on our little board! Of course intermodulation is the first thing coming into mind when you hear something like this, that's why you can see me turning down the RF gain (which acts directly on the RF input stage on this radio) in the video. But besides intermodulation p...

Ah yeah I know that super fine brown Sahara dust, I have it on my car every early summer but that's not it. Apparently high electric charges under rain clouds long before they reach the thunderstorm charge levels are known, for example I found kite surfers reporting that they got shocks when they en...

I just had a scary thing happening at the dike: When I arrived there this evening, I could already see that the rain forecasted for 0:00 local was about to arrive an hour earlier. I parked and stuck the Belka + whip to the side window anyway. After a while I noticed that the AGC was triggered (gain ...

A few weeks ago I stumbled upon 12365kHz - I heard a coastal weather transmission in English at the dike, with a signal that made me believe it would be from the UK or the US. Back home it turned out it was - of course - VMC Charleville (Queensland, eastern Australia), the sister station of Wiluna R...

Pretty interesting indeed! Looks like he's really getting a lot out of it by raising the Q on his target frequency. Made me think if this would be something to consider for our smaller versions for SW but then I thought the whole purpose of the exercise is minimizing the losses and that's what a pre...

That's not redundancy, just minimum required equipment for proper a monitoring station!

In the past few years I really enjoyed the bands crowded with portable US stations on that weekend. This year the condx really didn't play along though!

Wow, that's more shack than bicycle but the "pedestrian mobile" trolley isn't bad either. :) BTW, a bit earlier that day I also heard the guy who inspired G4NVF to go bike mobile on the same frequency, G4AKC (first comes JK1THF, still a bit weaker): https://www.youtube.com/watch?v=0-1kGpUg...

I made a few casual visits to the dike this month, just to relax for an hour after work and not wanting to aggravate the tonsillitis I'm currently dealing with, so I didn't bother with putting up antennas and just suction-cupped the Belka to the side window. Since I was sitting in the car, I took th...

Congrats! A few notes though: 1. I have no hard data points what it really does but a metal support is not recommendable as it will very likely mess with the antenna's performance in some way or other. Or is that a wood pole (hard to see on the pic)? 2. The SULA is lacking a lot of sensitivity witho...