You can find here the official IARU Region 1 bandplans currently valid from 50 MHz until 250 GHz.
Only carefully considered modifications and/or additions have been made during the tri‑annual IARU Region 1 Conference.
You will find here the band plans without the footnotes, who contains also very useful information. For more details, we refer to the VHF Handbook.
Band plans
- VHF ( 50, 70, 144 MHz)
- UHF ( 432 MHz, 1.2 GHz, 2.3 GHz)
- SHF ( 3.4 GHz, 5.7 GHz, 10 GHz, 24 GHz)
- µWave ( 47 GHz, 75 GHz, 122 GHz, 134 GHz, 245 GHz)
Antenna
LOW NOISE EXPLAINED ( LFA Antennas ) by G0KSC
A long time has passed since we have to accept the negative aspects of matching Yagi antennas. With modern software, knowledge and optimisation techni... Read more
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-265x168.jpg)
Antenna Polarization [ ARRL PODCAST ]
Your antenna’s polarization can make a big difference in how well you can hear, and be heard — especially on VHF and up. Read more
The Fence Fan Dipole (FFD) — A Quick, Easy and Inexpensive Multiband Antenna
“Editor’s Note: Due to the popularity of some of eHam’s older articles, many of which you may not have read, the eHam.net team has d... Read more
ACOM HF Log-periodic Antenna
ACOM, Bulgaria manufactures a range of 8, 10 and 12 element HF log-periodic antennas. Their main features are: designed and produced to give top perf... Read more
Review
RF Interference VS Computer Speakers
Tim, KE8RHS, is having some difficulties with his shack set up. His radio and antenna seem to receive and transmit fine but when he makes a transition... Read more
![Tips on using Coaxial Cable [ ARRL So Now What? ]](https://qrznow.com/wp-content/uploads/2019/07/HTB1l28nHFXXXXaVaXXXq6xXFXXXs-1-265x168.jpg)
Tips on using Coaxial Cable [ ARRL So Now What? ]
Here you can find further information on topics discussed in this episode: ARRL on Feed Lines Coaxial Cable info Read more
Elecraft K4 Hands-on (UK Sample)
Elecraft K4 Peter Waters G3OJV, takes a trip around the features he used when evaluating the first production sample K4 to arrive int the UK. OVERVIEW... Read more
Ham radio & 3D printing – A very portable table stand for the Icom IC-705.
Ham radio & 3D printing – A very portable table stand for the Icom IC-705. Read more
![YAESU FT- 891 First Test [ Video ]](https://qrznow.com/wp-content/uploads/2016/10/yaesu-ft891_asd-265x168.jpg)
YAESU FT- 891 First Test [ Video ]
FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu’s legacy for legendary receiver... Read more
Equipment
uBITX – A Compact HF Transceiver
uBITX – A Compact HF Transceiver 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz SSB and CW Simple to build and align Minimal controls... Read more
KAT500 High-Power Auto-Tuner & Smart Antenna Switch
The KAT500 is a high power autotuner that can be used with both the K3/KPA500 and all other HF amplifiers and transceivers. The KAT500 uses the same... Read more
R2T2 – multiuser SDR transceiver with WEB interface
The R2T2 is a complete SDR transceiver which by its construction to date reflects the art and through his extensive peripherals and modular structure... Read more
IC-905 VHF/UHF/SHF SDR Transceiver Pre-release
IC-905 Icom will announce an exciting industry first at the Tokyo Hamfair which opens on 20th August 2022. Based on its SHF project, the IC-905 VHF/UH... Read more
