2016年6月22日 · Currently on my outdoor antenna mounted 30 feet in the air, Twin City Ambulance comes in okay but Mercy Flight and the MERS frequencies barely come in at all. I …

2023年8月28日 · For example, there's a UHF repeater I use. It's on top of a 250 foot building. But it's 30 miles away. I can pick it up with a vertical antenna at 30 feet, or a fourteen foot long 21 …

2024年11月23日 · Log Periodic Antenna. Wider bandwidth, can be multiple bands. Directional, so works well in one direction. Expensive and large, will require proper support structure. …

2017年6月30日 · I will be testing the antenna and listening to the new system on a BCD436HP until it is fully operational and the current EDACS system is turned off. Then the system will be …

2024年2月8日 · PC9013N is a 13 element Yagi Antenna operating within 902-928 MHz frequency range. This Yagi antenna has a maximum power input of 200 W and includes a 19 in pigtail …

2020年8月5日 · A yagi antenna up 30 feet and with some good coaxial cable should work well. You shouldn't need a high gain Yagi antenna to improve coverage. Depending on how long …

2024年12月23日 · The Diamond only picked up one side of every transmission. Also it only got 2 flashing to 3 signal bars. After mounting the yagi, I got 4 steady signal bars and both sides of …

2023年3月19日 · Bit of an Antenna freak, even as a new Ham, and wasn’t satisfied with many of the responses I’d come across the internets of, “you cannot make a dual band VHF/UHF …

2019年12月29日 · My X510 cost me $150 and the marin antenna came free with a AIS receiver but probably costs $100 and their performance in VHF air are about the same in a modified …

2020年9月27日 · Thanks. For the reply,after I read your post I agree that would probably be the only way to scan airport frequencies and still monitor the digital trucking channels. Here in …