most wanted grid squares

Gain of Helix - This article summarizes probably the most extensive numerical modelling calculations on the helical antenna ever performed.

Comparing HF Wire Antennas for NVIS - How to make the most of simple wire antennas. EZNEC help to compare the performance of a wire dipole antenna in various configurations

W4INF Hidden House Loop Antenna - If you live in a restricted subdivision, you need to make the most out of it. This loop antenna is balanced line fed and works 40m-10m, does decent on 80m.

N9YDZ Beacon - N9ydz beacon brighton, illinois, grid square em48 on 28.210 Mhz

Malaysia DXpedition Tanjung Piai - The first DX From "The Southern Most Tip Of Mainland Asia"

Club Log - Welcome to Club Log, a web-based tool for producing DXCC league tables, log search services and most-wanted lists for ham radio clubs and societies.

K3CSG Scranton Pocono Amateur Radio Club - The scranton pocono amateur radio club (spark) known as the Abington Amateur Radio Club one of the most senior ARRL affiliated clubs in Pennsylvania.

Digital Operating Modes - Description, frequencies and sound samples of most popular amateur radio digital modes by DG8FBV

DMsolar - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.

Lightning Protection International - LPI personnel have combined experience over many years in servicing customers throughout the world. Our experience covers projects in some of the most lightning prone areas.

Gamma Research, Inc. - Home of the HPS-1a Gamma Hybrid Communications Power Supply. The HPS-1a is a very small, light weight , power supply that is most useful for hams who take their transceivers when traveling.

Gage Applied Technologies - Gage applied technologies designs and manufactures high-speed data acquisition systems, high-speed digitizers in pci / cpci / pxi or pc oscilloscopes, providing utmost measurement fidelity for high frequency signals.

DXer of the Year Award - Each year the NCDXC makes an award to the most outstanding member of the club who has consistently and actively participated in DX and club activities. The award is given at the International DX Convention.

QTH locator or Map square with Google Maps - Based on Google Maps displays corresponding QTH grid square or helps to find one by pointing on the map.

AO-27 official site - This site contains the most up-to-date information on AO-27 that can be found. It is updated by the control operators who run the satellite.

OSCAR-22 - UoSAT-OSCAR-22 is the most recent spacecraft in a series of Amateur Radio communications satellites designed and built by the Department of Electrical Engineering at the University of Surrey in Guildford, Surrey, England.

AA4DF's Consumer Electronics Repair - Look for free manuals (download) in amongst paid offerings for test equipment manuals. The freebies page also has mostly ham material. We do also sell major ham collections at pretty much close to our production and distribution costs.

Amateur ( HAM )Radios Comparison Charts - Comparison chart of most popular VHF UHF amateur radio transceivers

Hudson Valley Towers - Tower installer, provide service in NY parts of CT, MA, VT, PA and most of NY and south to NJ USA

Radiospares - Established in 1991, specialist distributor of Two-Way Radio Communication Accessories. Products are suitable for most of the worldwide manufacturers including Icom, Kenwood, Tait, Maxon, Motorola, Philips/Simoco, Vertex-Standard/Yaesu and more besides.

KG-ACARS  ^updated - Free to use VHF ACARS-decoding software. KG-ACARS works with most handheld scanners and No complicated tunig is required.

AirLink Express - AirLink Express is a user friendly digital mode software package for the Amateur Radio Operator. The software is compatible with Microsoft Windows XP and Microsoft Windows Vista. It offers PSK, MFSK and RTTY digital modes with logging and macro capabilities. If you have ever used the Digipan software you will be immediately familiar with Airlink Express. The user interface is almost identical by Alex Krist, KR1ST

FA Palm - Grid Square - Grid Square for Palm OS calculates the Maidenhead Grid Square for a given latitude and longitude.

Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

Attenuators and Preamps - How to get the most from attenuators and preamps