New Palstar Commander "VHF 144" Linear Amplifier
VHF-144 1000 Watt 2 Meter RF Amplifier Price: $2995.00 Manual (PDF) Details
Home made Yagi antenna
One of my favorite ham radio activities is making contacts on satellites. It’s really fun to know that you’re controlling something that’s receiving and sending communications from space. But communicating with satellites means carrying a big Yagi antenna around. So, I decided to use my fashion sewing skills to make a collapsible fabric Yagi antenna…
70 MHz in Romania
Since April, 14th 2010 Romanian hams have access to 70MHz band on secondary basis. Maximum allowed power is 20W and the national agency, ANCOM, must be notified before using this band. All amateurs have access on all bands with different power levels according national allocation table. Info from YO4RST
Earth-Moon-Earth radio transmission from the Arecibo Observatory
Free video chat by Ustream Listen also WEBSDR (QRV: 432044.41 kHz) 17 Apr 2010. The scheduled times of operation are: Callsign: KP4AO, Status: EME DX EXPEDITION April 16: 1645 – 1930 UTC April 17: 1740 – 2020 UTC April 18: 1840 – 2125 UTC Tx Frequency: 432.045 MHz Rx Frequency: 432.050 to 432.060+ Tx power:…
Sending signals to the Moon by K1JT
Source: ARRL Sending Amateur Radio signals to the Moon and back has never been easy. After roundtrip journeys of nearly half a million miles, even the most powerful signals generated by hams are exquisitely weak on arrival. Because of the equipment and expertise necessary for successful “moonbounce” operating, this facet of Amateur Radio has been…