Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones to use?”
Antenna
Why use a J-Pole Antenna?
“A viewer asks: Why J-Pole antennas? I mean it’s a cool design and all, but some people swear by them. What advantages do they have? Lower... Read more
ACOM HF Log-periodic Antenna
ACOM, Bulgaria manufactures a range of 8, 10 and 12 element HF log-periodic antennas. Their main features are: designed and produced to give top perf... Read more
472kHz Antenna Calculator
This tool calculates the antenna capacitance and radiation resistance of small vertical monopoles at 475 kHz. It is by no means a replacement for ante... Read more
Basics of building HF/VHF cubical quad antennas
Basics of building HF/VHF cubical quad antenas Read more
Antenna Lifting Kite
Antenna Lifting Kite One of the most enjoyable portable activities that you can do with the family or alone is using a kite-borne antenna. I ha... Read more
Review
Elecraft KPA1500 Amplifier Presentation
KPA1500 solid-state amplifier won’t take over your entire desktop: it’s just 4.5 x 13.5 x 11.5”. KPA1500 solid-state amplifier won’t take over your e... Read more
Review Palstar LA-1K – 1 kW Solid-State LDMOS HF amplifier
“Here’s a full review of the Palstar LA-1K, it’s a 1 kW dual LDMOS solid-state HF linear. It covers from 6 to 160 meters. The LA-1K as RF sensin... Read more
2 Days Off Grid – /P Ham Radio to Japan FT8 Random Wire Antenna
“Hello Operators In the previous videos from this excursion, we covered portable off grid battery and solar power, the Raspberry Pi for data com... Read more
MFJ 4230DMP Power Supply – Review
MFJ 4230DMP – Power Supply “A new digital display power supply from MFJ, the 4230DMP. This 30-amp power supply is perfect for portable ope... Read more
Equipment
RFinder P2 Dual Band Android DMR Tablet | FIRST LOOK!
Today we go over the newest Android DMR device from RFinder, the P2 tablet with a 7″ screen. This is a dual band DMR and Analog radio built into... Read more
VTR1100 Tactical Radio Communication
DESCRIPTION The LANDSEC ™ VTR1100 is a 1.6 MHz to 30 MHz, 125 W or 25 W selectable HF transceiver for co-located communications in vehicle installatio... Read more
The ZN-9CRB IAMBIC KEYS by N3ZN
IAMBIC KEYS The ZN-9CRB, classic round base, has a 7/8″ x 3″ diameter brass base and weight 2 pound 4 ounces. This paddle is uni... Read more
Yaesu FTDX101D [ Preliminary Information ]
Yaesu FTDX101D As you are aware there is the soon to be released Yaesu FTdx101D 100W SDR transceiver. I am also pleased to announce the big brother of... Read more