speaker noise

12el 144MHz Plus2 LFA Priority listing - A Low-Noise Urban 12 element Plus2 LFA Yagi antenna for 144MHz no match required, 50Ohm direct feed

19 elements Plus2 LFA Yagi for EME Priority listing - A Low-Noise Urban 19 element Plus2 LFA Yagi for 144MHz, check the VE7BQH list, no other 2M antenna comes close in performance. You can build it yourself for free

6el 70MHz Low Noise LFA Yagi - A Super 6 element LFA Yagi for 4M. 5.15 mtrs long and 12.4 dBi. Awesome antenna with no matching required and flat SWR throughout. Easy build

11elements yagi for 70MHz Priority listing - Low Noise 4m LFA Yagi. No matching needed, flat SWR across the band. Ideal for field day etc. Serious gain and F/B by G0KSC

10 elements 70MHz Low Noise LFA Priority listing - A 10 element 4M LFA Yagi. Flat SWR across the band, easy build with no matching to install. No power limit high gain.

Low-Noise LFA Yagi for 70MHz Priority listing - Super flat SWR from this high gain easy-build Yagi. Great for home or fild day.

11el 50MHz Low Noise LFA Yagi  ^updated - A Large 11 element LFA Yagi for self build. Easy construction as no matching is required. Super gain, F/B and flat SWR

10el 50MHz Low Noise LFA Yagi - A high gain LFA 10 element LFA Yagi with super clean pattern and flat SWR no matching required so easy to build.

9el 50MHz Low Noise LFA Yagi - A 9 element 6M LFA Yagi with no matching required. Super flat SWR, great pattern and gain too. What more do you need?

Modern Beverage Receiving Antenna - A helpful guide to building your own beverage-type low noise receiving antenna for broadband use. Easy, do-it-yourself suggestions to optimize directional performance, even if you lack a farm to put it on.

EME stackable 9el 144MHz LFA Yagi - High Gain Low Noise 9el 144MHZ LFA Yagi. Flat SWR and no matching required. Very low temperature see lowest Ta on VE7BQH list ofr this size!

13el 50MHz Low Noise LFA Yagi - A Monster 13 element 6M LFA Yagi with flat SWR, 50 Ohm direct feed and minimal side lobes

12el 50MHz Low Noise LFA Yagi - A 22 metre long 50 Ohm Monster 6M 12 element Yagi. Super gain, Flat SWR, excellent F/B 50 mhz antenna.

8 Element Yagi for 6 meters - A Low-Noise Urban 8 element LFA Yagi for 50MHz

Cobra Electronics - CB Radios, GPS systems, marine electronics, two way radios, power inverters, speakers, antenna mounts and microphones.

muTek Limited - Manufacturer of RF amplifiers, low noise pre amps, transverters, power supplies

EME Low Noise 14 elements Yagi - Ideal for EME with a Sky Temperature never seen at this boom length. Amazing pattern and flat SWR. 50 Ohm with no matching required.

Mobile Radio Noise Elimination - If you're driving around town listening to the buzz and engine whine blues, pick up this free pub and help yourself enjoy the music. Includes troubleshooting techniques and helpful hints.

IC-7000 Mods - IC-7000 TV Enable Reception, ) TVRO & MARS (US version), TVRO & MARS/CAP Mods by N5AC, IC-7000 RX range expand mod, IC-7000 Tone noise, How to fix the IC-7000 audio noise

FT-817 ND Modifications - DRM reception / SDR output (IF 12 kHz), Using the internal VOX for the data jack, Connection of the mini speaker microfone ICOM HM-46

Yaesu VX-7R hints and tips - Yaesu VX-7 Microphone Audio, Yaesu VX-7 Speaker Repair and the MH-209SMA antenna

NFM - noise figure measurement - NFM (for Noise Figure Meter) is a software application to assist Noise Figure measurement. NFM implements the method of Agilent application notes AN 57-1 and AN 57-2 for noise figure measurement, but with the addition of an adjustable attenuator after the noise source and between the DUT and instrument.

SimJT - SimJT is a simulation program. It generates audio-frequency JT65 and CW signals in a background of gaussian white noise, with user-specified signal-to-noise ratio.

Noise Cancelling Headphones - Review of common noise cancelling headphones for under $50.00 by WA4PGM

Yaesu FT-1000MP NB Key Click mods - Keyclick and Noise Blanker modification of the Yaesu FT-1000MP Mark-V