“James, has quite a long complicated question but summarize he wants to know if he can start learning morse code with a dual paddle keyer? He knows that the popular opinion and advice is to start with a straight single key but he doesn’t want to do that. What does Dave suggest?”
Antenna
Stealth HOA, Shunt Fed, 80m Through 6M HF Antenna By TN07 Engineering, MyGO2 Antennas
Another way to beat the HOA commandos when you want to operate ham radio. This antenna can be very hard to notice at all if you set it up in a stealth... Read more
Second Rule of Antennas : Height Matters!
Sergei, UB4LDT, has some questions having to do with the height of his antenna? But the basic rule is height matters! Read more
Hy-Gain AV-680 9 Band Vertical Update Video
Hy-Gain AV-680 9 Band Vertical Hy-Gain Multi-Band PATRIOT Vertical Antennas 9-band vertical covers 80/40/30/20/17/15/12/10/6 Meters • No radials • No... Read more
Use the Mast as the Antenna
Bill, AA6BD, wants to attach his antenna in a very common manner of attaching it to the back of a trailer and he wants to incorperate the mast. Watch... Read more
Vertical Antenna 8 bands trapped (10-12-15-17-20-30-40-80m) with wire radials 1/4 lambda for each one band.
10-40m Full bands coverage. 80m about 120Kc/s RF chocke for electrostatic protection. 2 KW pep SO239 Technical specifications: Height: 11.3 m approxim... Read more
Review
Icom IC-7300 HF/6m Radio Walkthrough
“Here’s a walkthrough of the Icom IC-7300 radio. This very popular transceiver is a capable, very modern software-defined radio with a tra... Read more
BaofengTech BTECH 50X3 Triband Mobile Radio Review and Power Testing
BTECH UV-50X3 X-Series Mobile – 50 Watt Tri Band Radio 13.8V (15 Amp) Operating Voltage Source Required – Dual Receiver Radio (Dual RF), C... Read more
Synchronising VFO Frequency for Multiple tuners – SDRPLAY
“When using the dual tuners of the RSPduo, or multiple RSPs on a single computer you sometimes want them all tuned to the same frequency, e.g. f... Read more
Overview of the Kenwood TH-D74A
Kenwood TH-D74A 144/220/430 MHz TRIBANDER. Triband Amateur radio packed with convenient features and the advantage of a digital transceiver with D-STA... Read more
Equipment
QDX digital transceiver
I brief description of a construction problem, symptoms and solution regarding the QDX digital transceiver from QRP Labs. The “QCX+” (QRP... Read more
GroundBreaker – Isolate your audio to remove RFI and ground loop problems!
The bhi GroundBreaker audio unit isolates the grounds on your bhi DSP noise cancelling product or other ancillary equipment from those of the radio sy... Read more