Frequency range: TX: 2 m/70 cm RX: 0.15-30 / 65-220 / 400-520 MHz Mode: TX: FM/NFM RX: AM/FM/NFM RF Power output: Hi: 50/40 W Mid: 25/20 W Lo: 5/5 W Receiver system: Dual conversion superheterodyne Sensitivity: 0.2 uV (12 dB SINAD) Voltage: 13.8 VDC +/-15% Current drain: RX: 500 mA (Standby) TX: Max 9…
New 144/430MHz Dual Band FM Portable – TH-D72 (Read info here) Photo by N8OIF © 2010 Dayton HAMVention , Ohio, USA
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…
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:…
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…