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.
- 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)
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
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
“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, 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
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
Here you can find further information on topics discussed in this episode: ARRL on Feed Lines Coaxial Cable info Read more
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. Read more
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
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
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
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 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