Parrot Amateur Radio Club WB4IRD

Parrot Amateur Radio Club

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Ham Radio Websites

Ham Radio Websites

US Frequency Allocation Chart

  • The Frequency Allocation Chart uses 33 color coded categories to visualize the information from the Table of Frequency Allocations in a crazy quilt of blocks spread from 9 kHz (Very Low Frequency) all the way to 300 GHz (Extremely High Frequency).

ARRL Ham Bands Chart

The allocated bands for amateurs:

  • 160 METERS. General. Advanced. Extra. …
  • 80 METERS. Novice. Tech w/5wpm. CW Only. …
  • 40 METERS. Novice. Tech w/5wpm. CW Only. …
  • 30 METERS. General. CW, RTTY, Data. 10.100 – 10.150 Mhz. …
  • 20 METERS. General. CW, RTTY, Data. …
  • 17 METERS. General. Advanced. …
  • 15 METERS. Novice. Tech w/5wpm. …
  • 12 METERS. General. Advanced.

Maidenhead US Grid Square Map

  • The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts.

Country Prefixes

  • Common Prefixes of Countries

  • The Radio Amateur Satellite Corporation (as AMSAT is officially known) was first formed in the District of Columbia in 1969 as an educational organization. Its goal was to foster Amateur Radio’s participation in space research and communication.

  • APRS is a powerful and versatile digital communication system that can be used by amateur radio operators for a variety of applications. With its ability to transmit GPS coordinates, weather data, and messages, APRS is a valuable tool for emergency communications, tracking, and weather reporting.

DX Cluster on QRZCQ

  • A DX cluster is a network of computers, each running a software package dedicated to gathering, and disseminating, information on amateur radio DX activities.

  • To build the largest and most complete Amateur Radio community site on the Internet – a “portal” that hams think of as the first place to go for information, to exchange ideas, and be part of what’s happening with ham radio on the Internet.

  • Ham Radio equipment information repository

  • The best site on the internet for modifications repair instructions and improvement of HAM rigs, HAM modems, etc.

  • is an amateur radio website listing almost every callsign in the world.

  • is dedicated to the sole purpose of furthering the abilities and interest of the Amateur Radio Community. If you are a licensed Amateur Radio Operator you are invited to reserve your free space on this server.

RigPix Database

  • A no-nonsense, multi-gigabyte source of information and pictures of radios, accessories and more.

  • WSPR, which stands for Weak Signal Propagation Reporter, is a program used to test the propagation paths of RF signals between amateur radio operators using a narrowband digital transmission protocol called MEPT_JT on the HF and MF frequency bands.
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