RFI (Radio Frequency Interference) has been a problem for Ham radio operators and SWL’s (Shortwave listeners) since the radio hobby began. Both from natural sources (QRN) and manmade sources (QRM). Things have changed in the last 20 years with the advent of widespread solar power, LED lightning , grow lights, digital computing devices etc. The technology boom has enhanced our daily lives, but at what price? Learn all about finding and fixing RFI in today’s world.
Antenna
M2 LEO-Pack Antenna System
AMSAT-NA and M2 Antenna Systems LEO-Pack AMSAT-NA Member-Only Special PricingThe 436CP16 and 2MCP8A are light weight, circularly polarized antennas op... Read more
Tri-band 6 element HF Upper Bands and CB Radio Yagi Antenna 3B-222
HF 3-Band antenna 3B-222 for 20m, 15m and 10m that covers also 11m CB through the power of full 3-D optimization! Perfect optimized tri-bander with ex... Read more
Building 2 Meter Vertical Moxon
Building a 2-Meter Moxon by Stephen Dunifer Source´S : http://www.moxonantennaproject.com/ and VE3STL Read more
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Read more
HFV16: Dipole Antenna – Diamond Antenna
Diamond Antenna – HFV16: Dipole Antenna Length: Approx. 4.6m / Weight: Approx. 2.2kg Frequency: 18 MHz (16m) Max.power rating: 200W (SSB), 70W... Read more
Review
REVIEW: Hytera PD782 DMR portable radio
The Hytera PD782/G is a commercial grade mid-tier DMR portable radio being offered by Hytera Communications, a Chinese manufacturer of communications... Read more
Sherwood Report on the #1 FTDX101D !
Sherwood Report “ANNOUNCEMENT – Friday May 10th, 2019: Sherwood Report on the FTDX101D We know that some have been waiting for the Sherwoo... Read more
MFJ Big Ear Portable Dipole Review – K6UDA Radio Episode 25
“I’m reviewing the new MFJ-2289 Big Ear Portable rotatable dipole antenna this week. I’ve switched things up just a bit and I’... Read more
The PackTenna Mini 9:1 Random Wire Antenna Antenna
http://www.packtenna.com Read more
Equipment
NEW PRODUCT: Lightweight PowerPole Fused DC Panel
SOTABEAMS has introduced a new product to their range of Powerpole DC products. The Fuser-6 is a fused DC distribution panel with one fused input and... Read more
Loudspeakers for Ham Radio – ICQ Podcast Episode 275
“In this episode, Martin M1MRB is joined by Chris Howard M0TCH, Dan Romanchik KB6NU, Martin Rothwell M0SGL, and Frank Howell K4FMH to discuss th... Read more
Introducing to Odyssey-2 (2017)
The new version of Odyssey TRX transceiver raises the bar of quality and capabilities, while remaining relatively cheap and simple, accessible for sel... Read more
HF Linear 2KW HF2015DX – Chinese
HF2015DX RF Linear amplifier coverd 1.8-30MHz amateur band , using Chinese FU728F ceramic tetrodes working at Class AB1 Input:30-40W output:2000W... Read more
Mercury Paddle- Bencher
The Return of the Legend. N2DAN’s legacy lives on in this beautiful dual paddle crafted from the finest materials– massive brass base with... Read more
News
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this we... Read more
8-Meter Experimental Station on the Air from the US
WL2XUP is an FCC Part 5 Experimental station operated by Lin Holcomb, NI4Y, in Georgia. It’s licensed to operate with up to 400 W effective radiated p... Read more
Quirky APRS, HG-UV98 Lanch NLH Ham Radio Handheld Review
“Chinese radios have come a long way, many have impressive feature lists, but those features seem to be stuck behind programming or poorly imple... Read more
Product Discontinuation: IC-7851 HF All Band Transceiver
“We are sorry to announce that Icom has discontinued the IC-7851 HF All Band Transceiver. Since its launch six years ago, the IC-7851 has been I... Read more
ISS SSTV Aug 6-7 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
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