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PH2LB shack on the internet.


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Jul 24, 2023
QRP-Labs QMX in the shack (and now finished)
Category: General
Posted by: lex

Today I received my QRP-Labs QMX. So I started building it and tried to document the build.


Continue reading . . . .

Apr 11, 2023
Free QRP-Labs broadcast band filter PCB's.
Category: General
Posted by: lex

Spring cleaning in my shack. While stocks last, I'm giving away sets of 2 old stock PCB's for my QRP-Labs broadcast band filter for postage cost only. Checkout: https://www.ph2lb.nl/blog/index.php?page=bc-filter and if you like it, fill in the webshop order form http://ph2lb.nl/webshop/order.php to get yours. 

Mar 28, 2023
New K2 mods and articles.
Category: General
Posted by: lex

 I have added new K2 mods and articles to this website . . . . (continue reading)

Jan 18, 2023
I'm now on HamShack Hotline.
Category: General
Posted by: lex

I'm now on HamShack Hotline 420-000-0225 (or the short number 84225)

Continue reading . . .  

Dec 25, 2022
Measuring output power
Category: General
Posted by: lex

When you want to measure output power and don't have a power or dBm meter, but do have a oscilloscope and a 50 ohm load, you good to go.

Check out this page on which I describe how to do it. 

Continue reading . . . . 

Dec 13, 2022
Page update : 40dB RF Sampler
Category: General
Posted by: lex

I updated the 40dB RF Sampler page because although I was very happy with the result, I found out that I forgot a small thing.

To be exact, a small piece of wire which flattens the curve on higher frequencies. 

Continue reading.....

LoRA Links

LoRA Links

Some interesting links :

  • https://thethingsnetwork.org/c/almelo/
  • https://thethingsnetwork.org/
  • http://www.kittlab.com/actueel/i-o-t-internet-of-things/
  • https://www.disk91.com/2015/technology/networks/first-step-in-lora-land-microchip-rn2483-test/
  • http://ww1.microchip.com/downloads/en/DeviceDoc/40001784B.pdf
  • http://webshop.ideetron.nl/LoRa
  • https://staging.thethingsnetwork.org/applications.
  • http://martybugs.net/wireless/collinear.cgi (Collinear antenna design)
  • https://eth0maz.wordpress.com/2016/09/26/tvb-lorawan-node/ (nice compact LoRaWAN node, got 2 my self)

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