LZ1AQ Active Small Magnetic Loop HF Antenna

Here we take a look at an LZ1AQ Amplifier based, magnetic loop RX HF antenna which has 3 different modes of use. Surprising results from such as small antenna.

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[icholakov]

I have tested mine indoors and it worked better than the mla 30 in indoor conditions. it is the best solution i have ever encountered for an apartment dweller. It also does a decent job on FM. Also when indoors moving it by a few inches can change the background noise level so you have to experiment for the best location when indoors.

[giossico]

I got this antenna and for now I tested it at home with a Ft 817, I was surprised by the good reception but I had to add an FM filter increasing the reception by 50%! Happy New Year .

[saksaelectronicsconsulting]

Thanks for the video! I recently finished building my modified Levkov-Talbot -loop (as I call it), there is a Short on my channel. Main difference is at the input transistors: my version uses BFQ235A NPN video transistors that run quite warm. It works, but in an apartment there is so much RFI that probably no indoor antenna could help.

[rjy]

I really think that RX loops are the way forward for us in the UK. QRM (not QRN - it's man-made) is an unfortunate part of life and we are stuck with it. The only way that I've found of getting a decent SNR is to use an RX loop <10MHz. I don't have the space for a decent size LoG and have been using a Wellbrook loop for about 10 years.

I've been looking for a secondary loop to try and maybe recommend myself so I will be getting one of these as an experiment.

Thanks Matt.

[philnicholson]

I mainly use my Wellbrook outside with coax into the house, but love testing out other smaller options; this one is impressive. Have used with my Malahit DSP2, ICF2001D, Tecsun PL990 (amongst a few…) and am pleased with the performance . Have created a plywood cross to support the loop and powered with a 12V rechargeable battery pack that I also use with my PK Loop. Nice one Matt…

[AlHearn]

I also have this antenna. In my indoor testing, I could not see a difference between the three different modes. Also I thought the noise level was a bit higher than I expected, clearly related to the amplifier. Since my radio (Malahit SDR DSP1 V5) already has a preamp, I reverted back to my old Airspy YouLoop and felt it was a better solution.

[Peter_S_]

Embassies seem to be fans of loop antennas. There must be a good reason. They seem a very intriguing option for some circumstances.

[harveybolton]

Nice! How would you say this compares to the Airspy Youloop you covered in 2020?

[MrDoldora]

Bought it since i was curious. I also own an MLA 30+. What i can say is that the performance of both seem similar. Yet, i did upgrade the MLA coax, used a copper pipe for the loop, tweaked with the knob inside the bias tee. With these mods, the MLA30 is far better. I imagine if i tweak the other one, i might get better reception as well. So far, i like it. I might replace the stock blue cables with heavy duty coax. It's fun to experiment.

[lunarbluesmusic]

I use a Megaloop MLA30 in the attic for rx only and it's better than I expected. had two years now.

[MrApolloTom]

On the LZ1AQ website it appears the configuration switches are intended for different physical loop arrangements. I suspect the one that didn't work is using the inner conductor of the coax on its own.

[raymondmartin]

Thanks for this video. Very intetesting.
I just ordered it on Banggood for
about $40.00, US, with a small charge
for shipping. Not bad. It was listed a
bit cheaper on Aliexpress, but I always
am denied on using my credit or even
my debit card. 😊

[DaisyHollowBooks]

Thanks for this review. I’m just now getting started and a long wire antenna isn’t very practical where I am.

[StefCoders]

Happy New Year! I've been looking for a good HF Antenna for my small London house.

[greilly]

Could you recomend a power supply for it please

[thebucketmouse]

In the picture at 0:25, do you consider "black" to represent the side the switch is flipped to, or "white"?

[fotoralf]

I have this one as well as the MLA30+ and the original LZ1AQ loop amplifier. The Banggood loop is definitely better than the MLA30+, especially below 500 kHz where the MLA30+ is of no use to man nor beast.

But a loop with the original LZ1AQ amplifier runs circles around the other two.

[TheElectronicDilettante]

In magnetic loop mode, wouldn’t you need to reposition the loop 90deg? Shouldn’t it copy the relation between E and H fields?

[BradBolton-wqub]

I have a vintage 1936 “green eye” silver tone radio that receives from the standard over the air AM frequencies up to 160m… what would be a good indoor antenna to maximize reception? Thanks in advance! 73

[TsiolkovskySportingLocks]

Happy new year and what a cute little antenna.