What kind of signal / jamming is this? (10 Meters) | QRZ Forums
2014年4月13日 · Friends Over the last two days I'm hearing a strange noise on 10 meters, about 100Khz wide and centered around 28.500 Mhz where I read S9+10dB. There are definitely 2 stations involved, alternately transmitting this weird digital signal. It makes most of the 10m band unusable for me.
Amateur Radio Loses 50 MHz of Spectrum, Forever. - QRZ Forums
2022年1月20日 · We have 275 MHz of bandwidth in the 5650 MHz band, 500 MHz in the 10 GHz band, and 250 MHz of bandwidth in the 24 GHz band. I wonder how long it will be before all of our lower microwave bands are taken.
Reminder: ARRL Sweepstakes / Phone Nov 16-17 | QRZ Forums
2024年11月15日 · Reminder: ARRL Sweepstakes / Phone Nov 16-17 Discussion in ' Contests, DXpeditions, QSO Parties, Special Events ' started by NN4RH, Nov 15, 2024.
Ham Radio Emergency Communication Report by Porbandar …
2023年6月19日 · After antenna & radio setup installation we were successfully exchanging emergency traffic on 40m 7.045 MHz between Gandhinagar control, Morbi, Jamnagar, Dwarka, Nakhatrana, Bhuj & our Porbandar station. ARSI was notified for use of this emergency frequency. 20m frequency was decided 14.150 MHz and …
DoD release Electromagnetic Spectrum Strategy | QRZ Forums
2014年2月21日 · The strategy follows the release of a memorandum issued in 2010 by President Obama titled “Unleashing the Wireless Broadband Revolution,” which requires 500 MHz of spectrum be made available for commercial use by 2020. Amateur UHF and Microwave spectrum is shared with DoD.
New AMERITRON 500 Watt Mobile with Remote Head - QRZ Forums
2005年5月3日 · New AMERITRON 500 Watt Mobile with Remote Head Discussion in ' Amateur Radio News ' started by AA7BQ, May 3, 2005.
Coax Loss vs Connector Loss - QRZ Forums
2018年3月17日 · Yes, they are. Interestingly, "UHF" connectors (Amphenol 83-1SP) have slightly less insertion loss at 450 MHz than type N (UG-21D/U) connectors do. I've measured both many times. But going above 500 MHz, Type N, as well as C, BNC-TNC-SMA etc. are a …
FCC Denies expansion of Technician License Privileges
2013年10月22日 · 29.520 to 29.700 MHz. Novice and Technician licensees now may operate on 10 meters from 28.000 to 28.500 MHz.
A calling frequency for ten metres? | QRZ Forums
2002年9月9日 · Also, 28.500 MHz IS a bit too high. If you are looking for activity, don't lock out the Novice and Tech Plus Operators here in the States. They have voice privileges from 28.3 to 28.5 MHz. I don't normally operate above 28.500 unless I'm looking for a satellite signal. My antenna was cut for the lower end of 10 M.
Henry Island DXpedition - QRZ Forums
2024年2月16日 · Henry Island DXpedition Discussion in ' Contests, DXpeditions, QSO Parties, Special Events ' started by VU2WB, Feb 16, 2024.