“Jouni Hiltunen, OH2GVD, sent me this old Soviet Union (Russia, for those of you too young to remember the cold war) military radiotelegraph key. Fascinating device! I examine it in considerable detail. Many thanks to Jouni!”
Antenna
Which is better: Vertical or Dipole?
Vertical or dipole? Which is better for you? Antenna modeling software (EZNEC+) helps answer the question! Read more
Dual Band Moxon Antenna 10m/6m
Dual band Moxon antenna (2 + 3 elements) for 10m and 6m, ideal for Sporadic-E or DX. Dualband Moxon Antenna for 10 and 6m Not only for Sporadic-E QSOs... Read more
Small loops, growing popularity
by John Huggins “Small Loop HF antennas, often called magnetic antennas, seem to be all the rage these days. I suppose this old concept offers h... Read more
Best Antenna Practices
“Donald Clark, KB6QEW, is having some trouble with his SWR. But because of some issues in understanding his situation Dave will answer the best... Read more
Shark HF Stick Mobile Hamstick Antenna Review
Shark Antennas Hamsticks are mono band HF antennas that consist of a fiberglass mast with integrated coil and 48 inch stainless steel whip. In this vi... Read more
Equipment
NEW LNA + FILTER FOR RADIO ASTRONOMY HYDROGEN LINE OBSERVATIONS RELEASED BY NOOELEC
NooElec have recently released a new LNA + filter combo called the “SAWbird+ H1 Barebones” which significantly lowers the entry bar for ne... Read more
The soon to be released GSOC from XieGu
https://www.youtube.com/watch?v=RdXYoiP3WFQ Read more
ORB Control Device, The Portable Online Remote Base Solution
Are you tired of using your keyboard or mouse for TX control? Enhance your remote experience; talk on a remote using your microphone with PTT or pound... Read more
ANAN-7000DLE 100W HF & 6M Transceiver
The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... 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
VHF
Radioddity x Baofeng RD-5R DMR
TDMA-Based Dual Mode: VHF 136-174MHz/ UHF400-470MHz. RD-5R has two bands 2m and 70cm. True dual time slot DMR, Tier I & II, compatible with Motoro... Read more
BaoFeng BF-UVS9
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
TYT TH-9000D – VHF
The TYT TH-9000 is the Amateur compliant transceiver, with commercial grade features. This radio can be used on the BC Forest Logging Roads, and can... Read more
Slide Lock for Ham Radios
The ET-850 Locking Slide Mount provides convenience, ease of use and security in a black, powder-coat finish that is both attractive and rugged. The E... Read more
ICOM – New release of IP700, the industry’s first hybrid IP transceiver
IP transceiver and digital simple radio in one Product name / model name Hybrid IP transceiver / IP700 Suggested retail price Open price Release date... Read more
Review
Airspy HF+ and SpyServer streaming FFT and Audio data to an Android watch
Airspy HF+ and SpyServer streaming FFT and Audio data to an Android watch. @mm6dos Took the concept a step further! #sdrsharpinside pic.twitter.com/bW... Read more
How To Build An SWR / Relative Power Bridge – Part 1
I start building an SWR / Relative Power Bridge. This is a simple circuit. I show you how to wind the toroid coils. The circuit is based on Don Cantre... Read more
Scouting’s Jamboree on the Air Set for October 16, 17, and 18
Jamboree on the Air (JOTA) and Jamboree on the Internet (JOTI) will be held this year on October 16, 17, and 18. Register online as an... Read more
DMR Dual Band Radioddity GD-77 Review HT
Here is a video just showing the Radioddity GD-77 dual band DMR HT. A much better model than the GD-55, and definately worth the price over a TYT MD-3... Read more
Is the Airspy Discovery HF+ sensitive on VLF? Testing with a Garrett metal detector
“It occurred to me that my Garrett metal detector is a signal source at 13.6 KHz, so I decided to test to see if the Airspy hF+ Discovery is abl... Read more
