“Receive Filters” episode of the “ARRL The Doctor is In” podcast. Listen...and learn!

Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is important.

VHF

BaoFeng BF-UVS9

December 17, 2018 No comments

BaoFeng BF-UVS9 Product Features Brand:BAOFENG Type of radio:Portable SKU:Baofeng BF-UVS9 walkie talkie Frequency Range:VHF 136-174 MHz UHF 400-520MHz... Read more

Icom IC-DV6010 and IC-DV60S3 – 260MHz

January 22, 2017 No comments

Icom, to meet the new standard start released the 260MHz band municipal disaster prevention administrative radio system. Icom Co., Ltd. (Headquarters:... Read more

Kenwood TH-D74 – How to do a quick setup [ Video ]

August 30, 2016 No comments

Kenwood TH-D74 APRS & DSTAR Radio TH-D74 144 / 220 / 430 MHz Tribander APRS : Using packet-transfer communication to exchange real-time GPS positi... Read more

Historic Trans-Atlantic contact made on 144 MHz

June 18, 2019 No comments

A historic contact was made on Sunday the 16th June 2019 when the Atlantic was spanned for the first time on 144 MHz. D41CV on Cape Verde Islands off... Read more

Successful VHF QSO between ZS3 and ZD7

November 09, 2018 No comments

Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more

Alinco DJ-MD5T VHF/UHF 5W DMR HT

May 18, 2018 No comments

Alinco DJ-MD5T VHF/UHF 5W DMR DUal Mode Tier I/II HT Features: DMR Tier I and Tier II 1.77 inch TFT color LCD VFO/MR Switch Output Power Selection (5W... Read more

Review

Customizing the Ailunce HD1

November 19, 2018 No comments

Ailunce HD1 Ailunce HD1 Dual Band DMR Digital DCDM TDMA Waterproof Two Way Radio Description: HD1 dual band digital radio uses Digital Mobile... Read more

Field Testing The MFJ Octopus Antenna | Did It survive the wind?

February 01, 2019 No comments

“This time, I’m out in the field (way out in the Arizona desert) Field testing the MFJ Octopus antenna. So how does it hold up in 60 MPH w... Read more

TenTec 506 Rebel Transceiver – ARRL – QST Magazine

October 06, 2016 No comments

The Rebel 506 utilizes a chipKIT Uno32 prototyping board which give users access to an Arduino based programming environment. With its 32 bit computin... Read more

Anytone D878UV+ Handheld Radio

July 04, 2019 No comments

Anytone D878UV Read more

Ailunce HS1 First Impressions HF SDR Radio!

May 21, 2019 No comments

A short-wave radio station is a radio communication device that operates at a wavelength of 100 to 10 meters (frequency of 3 to 30 MHz). Mainly used f... Read more

SOTA hike Testing the Xiegu X5105

October 11, 2018 No comments

Xiegu X5105 “I’d climb a mountain for you guys and this time I literally did. We decided to try our hand at Summits On The Air or SOTA. It... Read more

Equipment

STEMlab 122.88-16 SDR kit basic – REDPITAYA

February 23, 2019 No comments

REDPITAYA – Tailored for HF+50MHz SDR & other RF applications – Comes with two 16 bit ACDs 50 ohm inputs; 14 bit DACs 50 ohm outputs... Read more

Works with Flex Radio

December 15, 2018 No comments

Applications that work seamlessly with your Flex Radio. Any comments can be sent to the Flex Community FlexRadio Mestro Flexradio Power Amp. 1.5KW Read more

KX-QRP 2nd Look – Elecraft KX2 or KX3

June 27, 2018 No comments

The KX-QRP 2nd L👀K is an accessory for use with the Elecraft KX2 or KX3 Radios. These radios have the ability to decode RTTY, PSK and CW signals (with... Read more

Kenwood ProTalk LT PKT-23 Pocket-Sized Business Two Way Radio

January 08, 2016 No comments

Now you can have a powerful Kenwood ProTalk that fits in the palm of your hand! The Kenwood ProTalk LT PKT-23 two way radio is both easy to carry and... Read more

First Videos CRT 2000 !

February 29, 2016 No comments

CRT 2000 Videos – 40 AM / FM channel multistandard European – Power: 4 Watts AM / FM – Supply voltage: 12/24 Volt – 4 storable... Read more

RM Italy BLA-600 Review with Martin Lynch

June 26, 2019 No comments

The BLA 600 is a wideband compact, fully automatic 500W wideband linear amplifier for the HF bands and 6m, from 1.8 to 54 MHz. Totally ideal for runni... Read more

Antenna

JK2040-Hawk – Yagi antenna of 5 elements for the 20 m band and 3 elements for the 40 m band on a 40 foot (12.19 m) boom

September 21, 2018 No comments

The JK2040 Hawk has phenomenal performance characteristics on 20m and 40m. The 38ft boom 20m Yagi has been optimized for high gain and a good F/R with... Read more

MFJ-1799X VERTICAL ANTENNA ,9-BD,2,6,10,12,15,17,20,30,40M

September 17, 2015 No comments

VERTICAL ANTENNA Highly efficient end loading 1/2 Wave vertical covers bands: 40, 30, 20, 17, 15, 12, 10, 6 and 2 Meters. Requires no radials,... Read more

2 Meter Quad PVC Pipe Antenna by KG0ZZ

July 22, 2015 No comments

2 Meter Quad This is a different way of using PVC pipe to build a 2 meter cubical quad antenna. Instead of an “X” style spreader this ante... Read more

QST Announces 2017 Antenna Design Competition Winners

September 13, 2017 No comments

QST has announced the winners of its 2017 Antenna Design Competition. Following a solicitation for entries earlier this year. members submitted nearly... Read more

10m Telescopic Flag Pole Antenna Support

March 21, 2016 No comments

The inside diameter of the 10m pole is just over 44mm which means you can internally sleeve a 44mm tube inside the pole to give you lots of options fo... Read more