cobra bluetooth mic

RF Balun Transformers - This application note is designed to help the reader understand how balun transformers can be used in today’s RF/Microwave communication applications.

The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD

OH3SHF Microwave Beacons - OH3TR operates the OH3SHF microwave beacons on 2.3, 3.4, 5.7, 10 and 24 GHz

I8EMG-B - I8EMG is running several beacons from 10 meters to microwaves

Newton Amateur Radio Club - A dynamic site for ham radio information in central kansas

Big Rapids Area Amateur Radio Club - BRAARC, Big Rapids is located in central Michigan

KC8VTO Barry Amateur Radio Association - BARA is an ARRL affiliated club in Barry County, Michigan, which is located in the southwestern part of the Lower Peninsula.

W8YDK Milford ARC - The Milford Amateur Radio Club, Established in 1961 Milford, Michigan

Livingston Amateur Radio Club - LARK Livingston county michigan

W8JXN CARS - Jackson Michigan

Lapeer County Amateur Radio Association - Serving Lapeer County & Surrounding Communities in Michigan

W8UM The University of Michigan - The University of Michigan Amateur Radio Club

BAARC Welcome - The bay area amateur radio club (baarc) is a non-profit organization of people interested in amateur radio in the bay area of michigan.

W8DF Southern Michigan Amateur Radio Society - Southern Michigan Amateur Radio Society Battle Creek,Michigan

MicroHAMS - Microhams is a dynamic organization of hams in the Puget Sound area. The club includes a broad range of people from our local tech industry who participate in just about every aspect of our hobby.

XLT Communications - XLT Communications two way radio accessory manufacturer, microphones, headsets, belt clips, earpieces, radio cases

K4JCW - Hellschreiber Resources

2 kW HF Amplifier Rebuild - Heathkit SB-220 amplifier repaired at W8UM

Boom microphone - A boom mic for the Yaesu FT 897 857 and IC-7000 done modifying a cheap PC headset by G8JNJ PDF File

Cb Radio USA - Cb radio store online offer variety of Cobra Cb radios for sale for you to choose from.

DERF electronics corporation - Distributor of electronic components like diodes Transistors Microcontrollers Microprocessors connectors, switches, relays, integrated circuits, eproms, leds

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

MicroDuplexer - Learn a little bit about how duplexers work and building your own.

Bluetooth Audio and Amateur Radio - Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?

80m CW QRP transmitter - 80 metre ceramic resonator VXO CW Transmitter by VK1PK