“The Legendary G5RV Antenna” is the topic of the new (August 15) episode of the ARRL The Doctor is In podcast. Listen…and learn!
Antenna
INAC AX-330 – HF Antenna
HF Antenna AX-330, is an antenna that covers the spectrum of HF of 3.4 Mhz. 30.5 MHz continuously. Two loops tuned remotely by two servo motors, fed s... Read more
New vertical SV5 for (80-60-40-20-15-10)
SV 5 Plus Antenna for HF bands (80-60-40-20-15-10)Antenna for HF bands (80-60-40-30-20-12) Same features as the SV 5 but with the 60m band. OPTIONAL S... Read more
Antenna Dinamica 3el Yagi 6 to 40 meters
Price 2790 Euro See More Antenna Dinamica: Link Read more
HF Antennas for Beginners: Tuesdays with Tim and Jeff
“We are bringing in 2021 with Tuesdays with Tim, K3LR and Jeff,KB8ZWT discussing HF antennas. Did you recently upgrade from tech to general? Tha... Read more
An end fed half wave cage antenna. How much wider bandwidth does it provide?
Another comparison between a single wire and a cage arrangement. This time on the end fed half wave antenna. Read more
VHF
Two Repeaters One Antenna Feed Line
“We had an opportunity recently to provide a unique duplexer system. The customer needed a single antenna feed line for two repeaters. This solu... Read more
Alinco DR-MD500T Dual Band DMR Mobile Radio
New from Alinco is the DR-MD500T, then dual band DMR mobile version of their popular dual band DMR HT. DR-MD500T Dual Band Mobile DMR VHF/UHF Portable... Read more
RT97 Portable Repeater Power Amplifier UHF
RT97 Portable Repeater – Retevis Multi working power selection, working with the matching power adapter, and also can work under DC12V~24V power... Read more
145 MHz Low Loss Bandpass Helical Filter
Low Loss Bandpass by Mile Kokotov Basic design of the filter is from RSGB VHF-UHF Manual, but I made some modifications. Both Inductors... Read more
Building An Autonomous Satellite Tracker For Ham Radio, Part 1
“This is part 1 in this mini series of my progress on building the WB0OEW Autonomous satellite tracker. In this video I went shopping for the pa... Read more
Review
Performance Test of MFJ-1846 Six-Band Hex-Beam Antenna
“Performance results of MFJ-1846 Six-band hex-beam antenna. The antenna shows great directionality and ample gain. The SWR doesn’t quite c... Read more
Dave answers questions about power supplies (#146)
Join Dave and Trevor discussing Ask Dave questions related to power supplies and other issues Read more
Review of Radioddity GD-77 DMR Tier 2 Handheld
Dual Band & Dual Time Slot: VHF 136-174MHz, UHF 400-470 MHZ; GD-77 has both Tier I & II and is compatible with Motorola and other DMR radios.... Read more
Raspberry Pi 3 projects for Ham Radio with 7 inches touchscreen
Raspberry Pi for Ham Radio This is a Raspberry Pi 3 kit with a 7 inches touchscreen that I build in about 30 minutes Raspberry Read more
Digital Modes
FT8 Roundup Contest to test WSJT-X (v2)
FT8 Contest – WSJT-X Photo:EA2CCG “A one-hour “practice contest” will be held next week using the FT8 mode and the ARRL RTTY... Read more
FT-8 Digital Mode Has Taken Over The HF Bands!
“Finally got my antenna back up today, decided to take a browse through the bands. There is a ton of FT-8 to be had on all the HF bands. Don... Read more
FT8 is exploding! – No Nonsense Amateur Radio Podcast #6
FT8 is exploding! 1#popular HamRadio digital mode In this episode of the No Nonsense Amateur Radio Podcast, Tom, KB5RF, and I explore... Read more
HamRadioNow : Digital Voice is EXPLODING
HamRadioNow Read more
LoTW Now Accepting FT4 Contact
The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more
Antenna
New Hy-Gain Dual Band 4 Element 6/4m
DB-46M8EL New Hy-Gain Dual Band 4 Element 6/4m Yagi Designed by Justin Johnson G0KSC renowned antenna designer and known for his LFA and other uniqu... Read more
Baluns : What They Do And How They Do lt
By Roy lV. Lewallen I’ve always been a bit bothered by balunst since I was never sure what they are supposed to dot let alone hotv they... Read more
New vertical SV5 for (80-60-40-20-15-10)
SV 5 Plus Antenna for HF bands (80-60-40-20-15-10)Antenna for HF bands (80-60-40-30-20-12) Same features as the SV 5 but with the 60m band. OPTIONAL S... Read more
Mobile Antenna Little Tarheel HP
” When properly installed on your vehicle this antenna will provide continuous coverage from 7.0 to 54 MHz with the supplied whip. The Li... Read more
