Passive Air Band Monitor Kit (Soldering/Assembly Required)

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Price: $89.95    

Product Feature

• Monitors the entire aircraft band without tuning!
• Passive design, can be used onboard aircraft, no local oscillator, generates and creates no interference whatsoever!!
• Great for air shows!
• Patented circuit and design!
• Electronic Kit - Soldering/Assembly Required

Product Description

This broadband radio monitors transmissions over the entire aircraft band of 118-136 MHz. The strongest signal within the pass band of the radio will be heard. The ABM1 has no local oscillator, it doesn't, can't, and won't generate any RF whatsoever! That's why our patent abstract is titled Aircraft band radio receiver which does not radiate interfering signals. The ABM1 is the perfect solution to communications monitoring at air shows! A lot of unknown frequencies are used between the ground and each plane flying. Listen to air-to-air, the air boss, PA talkthrough and the stunt planes with ease! With a normal receiver you need to know the frequency and tune into it. Not the ABM1. The ABM1 simply hears the activity as it occurs, perfect for an air show... should be standard equipment for all the spectators! A lot of private pilots rent aircraft. With an ABM1 they can listen to field traffic and ATIS broadcasts before firing up the aircraft avionics; this saves on Hobbs time and is convenient! Commercial pilot access to ATIS and other broadcasts can be as close as your flight bag, briefcase, or pocket! The receiver is in a compact case complete with a belt clip. Just plug your favorite pair of headphones or the provided set of ear buds into the receiver, turn it on, and you are now monitoring all local aircraft! A squelch control is even provided to mute background noise and interference! Even with its compact design, we designed the ABM1 for easy construction by the electronic hobbyist. Thru-hole parts are used for all customer assembly. Several SMT components are part of the circuit, and they are pre-installed at the factory! The headphone wire is your antenna! We even discuss a couple of component changes you can make to optimize performance with other than normal lengths of headphone wires. A professional set of stereo ear buds is included with the ABM1! The ABM1 runs on a standard 9VDC battery (not included).

Passive Air Band Monitor Kit (Soldering/Assembly Required) Review

I put this together over about a week of lunch hours, probably about 3 hours to assemble. Directions were clear and easy to understand. I heard nothing but some white noise when I first powered it up, but my workstation is below ground. As soon as I stepped outside I started hearing planes. The closer planes were the loudest. It worked first time, with no additional tuning or tweaking needed.
I used it on my last vacation, from inside a plane you'll only hear your own pilot, but it's pretty interesting. It's a completely passive design and emits zero RF, so it is perfectly safe for in-flight use. After about 20 hours of listening, I am still on my first battery, so battery life is good as well. I can recommend this, if it's the kind of thing you're looking for.

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