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The key word is "LOW", this means that any signal below the cutoff frequency will pass through the filter. It is there to remove harmonics so could be used for 12m where the second harmonic is 48MHz

I've just started looking at dragging my QCX up from 1.04 to something more recent, and those are some interesting incantations because I'm running linux and do not have access to Windows or (at

Hi Bruce You can connect the QLG3 Vbatt jumper to power it from the CR2032 battery. This will backup the satellite almanac. 73 Hans

Yesterday I went to the Action store in my hometown (Almelo NL) and found this case for just? € 7,95 ( link to webshop (

At least on the QLG2 (not sure on the QLG3) fitting a backup super capacitor preserves the satellite almanac information *and the GPS seconds offset information for about 10 hours.* So there¡¯s no

Thanks.

Really cute. Hmm, i think i'll try it out.

Ludwig All RF sweeps -45 to -60 Thanks Barry

Jim, I almost made the same mistake with the cr2032 Here is how it goes. The two little tabs on the angle corner side go on top. Hope that helps. 73 Bill NX5AA

The QMX is really working well.? I did a 'search and pounce" POTA activation this evening during ARRL Field Day using the FD exchange and was able to log about 19 stations in an hour on 15 and 20 m,

Hans: You are right, as usual, the QLG3 GPS terminal utility eventually reported the UTC time rather than GPS time after the GPS receiver had read the almanac from the satellites. But it took quite

Jim, Been there, done that, more'n once! Can't even razz you by saying, "Nanner, nanner!" 73KarlKI4ZUQ Yahoo Mail: Search, Organize, Conquer On Sat, Jun 22, 2024 at 13:02, Jim Bennett / K7TXA

Hello, I recently built a high band QDX and when I do an RF sweep I get a strange notch (-32 dB) on the 20m filter.? The other bands look closer to what's shown in the manual (17m sweep attached.)?

Barry, to be sure please check RF sweeps for similar levels. 73, Ludwig

Niels, so you produced the same failur in both, but where??? Or did you use for both the same power cable, maybe a broken one? If not the cable please limit the current to around 250 mA for more

I just finished building my second QMX+ and the 160m filter sweep had rather ugly oscillations on it.? L506 in the 160m filter has so many windings that the start and end windings had butted against

Luigi, TX voltage 0.4 V is for not transmitting, it's ok. But voltage for transmitting around 5.x V is a bit low compared to the supply voltage. Maybe to much current is drained from the PA? 1. So

Jim and Hans 100% in agreement. C++/C ?syntax is horrid. ?If you inhale it every day, ?I guess you get acclimatized to it. ?Miss a bracket pair and you can spend hours figuring out what the code

Hi Donald, did the test: confirm square wave at the gates, 180 degrees out of phase. Also with DMM, about 2.5 V from to gate to ground for each FET.

Enjoy the FD weekend Mark! We will hit it again when you rest up. JZ wrote: