Author: Johnson Francis

Nano VNA tracing showed SWR of 1.213 at 14.680 MHz, for a 20m center fed dipole antenna. That was quite above the 20m amateur radio band. I wish

Universal PCB Prototype Board is somewhat similar to the the Solderless Breadboard, but needs soldering of connections. It can be used for testing out circuits for which a

You would have noted that during my antenna experiments posted earlier, there were several amateur radio bands on which SWR is a bit above the tunable limit of

Just checked the performance of my 80m dipole on 17m as it had tunable SWR on that band with the auto-tuner on my FT-710 radio. I was really

Earlier one end of 80m inverted V dipole was at 3m and other end at 2m from ground and apex at 6m. I was figuring out ways to

That was the nice CW signals from VU2GSM calling CQ on 80m, today morning, at around 6 am local time. Though there was heavy band noise, CW signals

My complex fan dipole was having reasonable SWR on 40, 30, 20, 15, 10 and 6m. I wanted to simplify the antenna a bit and improve performance on

I had found good reception of FM radio stations using my multi-band fan dipole antenna which works for 40, 30, 20, 15, 10 and 6m amateur radio bands.

I had posted about an FM radio board costing just $3 having remote control, Bluetooth, USB port, Aux in and a microSD card slot. During my experimentation, the

ISM in this context stands for Industrial, Scientific, and Medical. ISM bands are portions of the radio spectrum reserved for non-telecommunication applications internationally. They are typically used for