Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Antenna
How High Should a Dipole Be? A Look at Antenna Modeling
“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rul… Read more
GigActiv GA3005 Ultra Wideband
GigActiv GA3005 Ultra Wideband Frequenzy range : 9 kHz – 3 GHz Power Supply: 5,5V – 15V Gain: + 3dB Upper Frequency Limit (-1db): 3000 MHz… Read more
![SUPER VERTICAL 80/160 DX [ New Version 22 m Height]](https://i0.wp.com/test.nerfd.net/wp-content/uploads/2021/01/20170307_111539-265x168-1.jpg?w=900&ssl=1)
SUPER VERTICAL 80/160 DX [ New Version 22 m Height]
DX vertical antenna for low-bands 80/160 NEW Height 22 meters 5kw power Elements diameter from 75 to 25 mm Hardware full stainless steel Coil of alumi… Read more
New Antenna 50 and 70MHz – 4 el Moxon
EAntenna 5070MOX Only 86cm (34 inch) boom lenght with 2 elements Moxon in 4m and another 2 in 6m band. The gain is 6,03 dBi in 50 MHz. and 5,95 dBi in… Read more
Ham Radio Anthology : Antennas 1973-1975
Carefully selected, these first two antenna anthologies cover all types of antenna designs and theory from 160 meters through microwaves. All articles… Read more
Review
The Xiegu G90 (GSOC) remote head controller in development
Xiegu G90 (GSOC) remote head controller currently in development at the coding stage.. Read more
POWER POLE DC OUTLET – MFJ 1124 , 1106 , 1126, 1128, 1129, 1104
POWER POLE DC OUTLET – MFJ 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
Equipment
CloudIQ – The next chapter in #connected software defined radios
CloudIQ The Cloud-IQ is the latest high performance software defined receiver from RFSPACE. The Cloud-IQ offers two modes of operation…. Read more
RTL-SDR BLOG V3 UNITS AND ANTENNAS BACK IN STOCK AT AMAZON
Just a note that our RTL-SDR Blog V3 units and antennas are now back in stock at Amazon.com with local US stock. There were a few manufacturing and sh… Read more
DSP Noise Cancelling Speakers
NOISE CANCELLING SPEAKERS The bhi DESKTOP 10 watt DSP noise cancelling base station speaker will work with most radios, transceivers, receivers, and S… Read more
News
ARRL Life Member Neil Rapp, WB9VPG, is 2021 Carole Perry Educator of the Year
Orlando HamCation® has announced that ARRL Life Member Neil Rapp, WB9VPG, of Bloomington, Indiana, is the 2021 recipient of the Carole Perry… Read more
QSO Today Virtual Ham Expo Team
“The first QSO Today Expo was a great success with over 16,000 attendees and the March 13-14, 2021 event is anticipated to be even larger. The Q… Read more
2021 AM Rally Set for First Weekend in February
The 2021 running of the AM Rally will take place from 0000 UTC on Saturday, February 6 to 0700 UTC on Monday, February 8. The annual AM Rall… Read more
FCC Invites Comments on Expanding the Number of Volunteer Examiner Coordinators
In a January 5 Public Notice, the FCC requested comments on whether the current 14 Volunteer Examiner Coordinators (VECs) are sufficient to facil… Read more
The post Explaining Ham Radio Antenna Baluns, UNUNs and Toroids appeared first on QRZ NOW – Ham Radio News.
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