Realistic walkie-talkie Photo of: facebook.com/share/p/19BRgMt… #hamradio #amateurradio #hamradiocommuity #py6cj #oldradio – at Salvador, Brazil

WideBand PLL CD4046 Post of: qsl.net/va3iul/Homebrew_RF_C… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradiodiy – at Salvador, Brazil

Adjustment Impedance Vertical G7 Post of: facebook.com/share/r/19XEvkA… facebook.com/share/r/19XEvkA… – at Salvador, Brazil

This is the AM transmitter with 6BE6 that 2W of power. Post of: facebook.com/share/p/1H3t6Ta… #hamradio #amateurradio #hamradiocommuity #py6cj #oldradio

Oblong antenna Post of: instagram.com/p/De-E0irnBTx/… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna – at Salvador, Brazil

The ECC82 (internationally recognized by its American equivalent designation, the 12AU7) is a miniature….. Read the full text at: instagram.com/reel/De_rql3vy… Vídeo of: facebook.com/share/r/1Lbdyb8… #hamradio #amateurradio #hamradiocommuity #py6cj #vacuumtube

The fundamental difference in how AM radio signals and satellite signals interact with the atmosphere lies in their operating frequency relative to the plasma frequency of the ionosphe. Read the full text at: instagram.com/reel/De-sK1dp_… Vídeo of: instagram.com/reel/De-W-JjKi… #py6cj – at Salvador, Brazil

Push-Push Frequency Doubler Post of: qsl.net/va3iul/Homebrew_RF_C… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna – at Salvador, Brazil

Vídeos of: facebook.com/share/r/1HzjvPd… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna

the Portable HF Adjustable Antenna 3 to 30mhz, V dipole short Concept Post of: facebook.com/share/p/198fNfV… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna – at Salvador, Brazil

This technical infographic illustrates a 1/2-wave vertical dipole antenna designed for the 2-meter VHF band (147.6 MHz), featuring a total length of 40 inches (1.016 m) split into two 20-inch elements. Read the full text at: instagram.com/p/De64PuCP49T/… #hamradio #amateurradio – at Salvador, Brazil

Ovenized Crystal Controlled Oscillator Post of: qsl.net/va3iul/Homebrew_RF_C… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradiodiy – at Salvador, Brazil

SOUTHCOM Sc-130 or as known in Finland LV407 Vídeo of: instagram.com/reel/De6iBXAsW… #hamradio #amateurradio #hamradiocommuity #py6cj #oldradio – at Salvador, Brazil

National CB Transceiver Photo of: xitter.cf/jr3kqf/status/21142642… #hamradio #amateurradio #hamradiocommuity #py6cj #cb – at Salvador, Brazil

Wow....mobile antenna…💪 Vídeo of: facebook.com/share/r/19CG3Cg… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna – at Salvador, Brazil

Solar storms—driven by phenomena such as solar flares and coronal mass ejections (CMEs)—release massive bursts of electromagnetic radiation and high-energy charged particles toward Earth. Read the full text at: instagram.com/reel/De5jdNjtC… #hamradio #amateurradio #hamradiocommuity

Developed in the 1950s, the GZ34 full-wave rectifier tube (also widely known by its American equivalent, the 5AR4)…. Read the full text at: instagram.com/p/De4tOOwJiAZ/… #hamradio #amateurradio #hamradiocommuity #py6cj #vacuumtube – at Salvador, Brazil

High Stability Time Base Oscillator Post of: qsl.net/va3iul/Homebrew_RF_C… #hamradio #amateurradio #hamradiocommuity #py6cj #hamradiodiy – at Salvador, Brazil

Hallicrafters R-44/ARR-5 é um receptor de busca aérea VHF da era da Segunda Guerra Mundial que cobre 28-145 MHz e é efetivamente um S-36 reembalado e revisado para uso em aeronaves. Photo of: facebook.com/share/p/18Z42WH… #hamradio #amateurradio #hamradiocommuity #py6cj #oldradio – at Salvador, Brazil

3-ELEMENT CUBICAL QUAD (11 METERS) #hamradio #amateurradio #hamradiocommuity #py6cj #hamradioantenna – at Salvador, Brazil