Level Up Your Audio: Build a Dynamic Speech Compressor + Mic Preamplifier! 🎧

Want studio-quality voice on your transceiver? This simple yet powerful project combines a speech compressor and audio preamp to make your signal clear, punchy, and consistent — even during noisy QSOs! ⚡

🔧 Learn how it works and build your own here:
👉 https://vu3dxr.in/dynamic-speech-compressor-with-audio-preamplifier/

#HamRadio #Homebrew #AudioCompressor #AmateurRadio #uBITX #DIYElectronics #VU3DXR #QRP

Dynamic speech compressor with audio preamplifier

Dynamic speech compressor or simply audio compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds

DXR Electronics Bits - Electronics and Technical resources from vu3dxr

Made just one SSB contact on 20m.

Good enough, heading back home.

Mostly it was just a hike up the Red Hill.

#hamradio #qrp

The world’s smallest CW transceiver is here!
The Curumim Transceiver operates on 7.030 MHz — a true minimalist QRP masterpiece by PY2OHH.

Read more 👉 https://vu3dxr.in/curumim-transceiver-worlds-smallest-qrp-cw-transceiver/

#HamRadio #QRP #CW #PY2OHH #CurumimTransceiver #Homebrew

Curumim Transceiver – World’s Smallest QRP CW Transceiver

Discover the Curumim Transceiver a smallest CW transceiver by PY2OHH using 2N3904 and LM386. Learn its working, and design for 7030 kHz QRP operations.

DXR Electronics Bits - Electronics and Technical resources from vu3dxr

The World’s Smallest CW Transceiver! 🔹

Meet the Curumim Transceiver — a tiny marvel by PY2OHH that packs both a transmitter and receiver into one ultra-simple circuit.

📖 Read the full article and circuit explanation here:
👉 https://vu3dxr.in/curumim-transceiver-worlds-smallest-qrp-cw-transceiver/

#HamRadio #QRP #HomebrewRadio #CW #CurumimTransceiver #PY2OHH #Electronics #DIYRadio #HF #7030kHz #MinimalistDesign #QRPp #AmateurRadio

Curumim Transceiver – World’s Smallest QRP CW Transceiver

Discover the Curumim Transceiver a smallest CW transceiver by PY2OHH using 2N3904 and LM386. Learn its working, and design for 7030 kHz QRP operations.

DXR Electronics Bits - Electronics and Technical resources from vu3dxr

Used to be able to build a QRP transmitter using parts from your local Radio Shack store including the colour burst crystal. I gotta wonder how many colour TV sets would suddenly have funky colours due
to their next door ham radio op back in the day...

#HamRadio #AmateurRadio #QRP

The Latest Ham On A Bike Blogpost is out. "Bringing a CLASSIC "Back to the Future" - The HeathKit HW 8"

#amateurradio #HamRadio
#HeathKit #HW8 #QRPRadio #MorseCode #CW #QRP

https://hamonabike.blogspot.com/2025/11/bringing-classic-back-to-future.html

Set out this morning to test out #FT8 on my #truSDX using my little portable #20m loaded whip antenna. A local coffee shop has a nice patio, and really nice coffee: a great spot to operate #QRP from!

Sadly the USB cable I brought with me didn't work... but, the RBN did pick me up on CW using battery power and just over 3W!

I know about #POTA, #SOTA, #IOTA, #COTA, and even #WMPLOTA ... but what about starting Coffee Shops On The Air (#CSOTA)? Just a thought...

#hamradio

Also, my new radio transceiver from #QRP_Labs arrived! I ordered this back in the spring and--knowing that I still haven't assembled the QDX digital modes radio I bought back in 2021--checked the box to have it assembled and tested, so it took a little while. I haven't had an HF transceiver since I sold my Yaesu FT-817, so this is exciting to me.

This is the QMX+ 5-band #QRP radio. Comes with a nice calibration sheet showing the testing done.

https://shop.qrp-labs.com/qmxp

#AmateurRadio #HamRadio

VLOG RADIO CB 11m en Espagne

YouTube
Teide National Park (#POTA ES-2324, ES-0210, #WWFF EAFF-0075) poses some unusual challenges due to the volcanic ground and the lack of trees or man-made structures. You have to be prepared to put up the antenna all self-supporting. Conditions today were difficult with 15 QSOs in 44 minutes on #20m. #HamRadio #ParksOnTheAir #Amateurfunk #qrp #qcxmini #morsecode #hiking #mountains #tenerife #canarias #travel
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The Latest Ham On A Bike Blogpost is out. "Bringing a CLASSIC "Back to the Future" - The HeathKit HW 8"

#amateurradio #HamRadio
#HeathKit #HW8 #QRPRadio #MorseCode #CW #QRP

https://hamonabike.blogspot.com/2025/11/bringing-classic-back-to-future.html

@N4JAW Jim, this sure brings back a lot of memories. My first rig was also an HW-8. I built mine in the summer of 1979 before I was licensed. I spent many hours listening to W1AW code practice on it before I got my license the next spring. I worked a ton of DX with this little radio and it made me into a lifetime CW op and QRPer. I still have mine, though it got packed away in a box a few years ago when I remodeled the shack. I’ll have to dig it out and make some QSOs. Thanks! 72 de Mike VE3WMB
@ve3wmb I knew it, I knew it, I knew there were other Time Travelers out there who experienced the same. Thank you for remembering me about my W1AW code practice session with my HW-8. Bring that Bad Boy out of storage and relive the year of 1979. 72 de Jim N4JAW "Ham on a Bike"