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The multiuser/multitasking BPQ Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC or Baycom modem attached to your IBM-PC/clone in conjunction with the BPQ Node software.

Thousands of electronic and electro-mechanical parts and supplies

A homebrewed antenna for 2m handheld radios by TB1BIG

Rutherford County Sheriff and Fire Live Scanner Audio Feed on RadioReference.com

Radio shack rental in greece by Jurgen Eisinga - DL2YAG - SV0IE

The resource presents a detailed schematic for constructing a dual-band vertical antenna, specifically designed for operation on the 2-meter and 70-centimeter amateur radio bands. It illustrates the physical layout, critical dimensions, and component placement necessary for successful replication. Key elements such as the radiating elements, phasing sections, and feed point are clearly depicted, providing a visual guide for radio amateurs undertaking a homebrew antenna project. The diagram specifies the lengths for the VHF and UHF sections, indicating how these elements are integrated to achieve dual-band functionality from a single coaxial feedline. It also implies the use of common materials readily available to most experimenters, focusing on simplicity and effectiveness in its design. The visual format of a GIF image ensures direct access to the construction details without requiring extensive textual interpretation. This schematic serves as a practical reference for hams interested in building a compact, efficient vertical antenna for local and regional FM communications, offering a proven design for immediate implementation.

General ham radio related items

Helix antenna online calculator with match calculator

Elongated Terminated Loops, usage and details by K9AY Lewallen

Minnesota's DX Connection

Theory of the classic Folded Dipole by G3TXQ

G0KYA Moxon antenna for 2 meters band

Presents a curated collection of newsletters dedicated to _Earth-Moon-Earth_ (EME) communications, primarily focusing on the 432 MHz band and higher microwave frequencies. The resource details various EME DX experiences and news contributions from operators like K2UYH (W6/PA0ZN), offering insights into successful moonbounce contacts and operational strategies. It serves as an archive of specialized content for those engaged in or interested in extreme weak-signal propagation via the moon. The newsletters provide practical information on achieving EME contacts, often including details on station setups, antenna arrays, and signal reports from challenging DX. For instance, operators might report achieving contacts over **750,000 km** round trip, demonstrating the feasibility of long-distance communication on UHF and microwave bands. The content differentiates itself by concentrating on the unique technical and operational aspects of EME, which contrasts significantly with terrestrial DXing, providing a specialized knowledge base for advanced amateur radio operators.

MS Word document with FT-1000 S meter characteristics

Includes some schematic diagrams

All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.

Join IC-V8000 Yahoo! owners gourp here

Quality communication accessories for motorola, icom, kenwood and nextel radios

A resurrection of some homebrew projects from our vintage years and the NorCal-sponsored project series in tribute to Doug DeMaw, W1FB

Information on ham radio including qrp, radio kits, Heathkit sw-717, Realisitic DX-160 and DX-302, and more.

Web forum with an open marketplace to sell and buy old radios

Ham Radio Kits, including HF QRP SSB transceivers by EA3GCY

Notes on Icom IC-756Pro II and IC-746Pro by I0GEJ

The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.

This table gives the minute and second of the start of the first transmission within the hour for each beacon on each frequency.

Free windows radio tracking software for search and rescue

The flight of the Lockheed Martin ARC Amateur Radio Balloon Repeater

This simple and cost effective interface circuit is designed for use with any ICOM amateur radio equipment with CIV interface

GM47: Simple 30m Band QRP CW-Transceiver

VR-5000 FAQs found on usenet and other sites

The rhombic antenna is often claimed to be an exceptionally good antenna with very high gain. Modelling rhombic antennas

Generates Morse tones using the Soundcard. A neat tool for sending out short sequences of Morse tones.

A good overview article on power supplies by Karl Shoemaker AK2O of the Spokane Repeater Group

Mobile antennas, alternative power sources, ham radio accessories

Home brewed spider beam by VA7ST

Mailing list for people interested in building radio and electronics equipment from kits or from scratch. Frequent topics include shortwave radio receivers, construction techniques, and ham radio project.

This antenna is designed to be mounted off the side of a tower. Works on 136-153 Mhz range but also on 70 cm band

Windows user-mode application, which allows you to create software virtual serial ports and emulate physical serial ports behavior. It operates exclusively in user-mode, therefore it is more stable and uses less memory, processor and operating system resources than any competitive products.

This program is used for the ICOM IC-746PRO, IC-7400.You can edit all the setting and write it to file for later use. Runs on Windows Linux and MacOSx

Optimizing the ZS6BKW antenna for full HF band coverage often requires specific modifications beyond its standard configuration. This resource details several enhancements, beginning with a simple series capacitor to improve 80m SWR, a technique W5DXP found effective for permanent installation due to its minimal impact on higher bands. Further improvements include a 10-inch parallel open stub for 10m resonance, shifting the frequency to 28.4 MHz with an SWR of approximately 1.8:1, a practical solution for Technician class operators. The document then explores a switchable matching section, adding or subtracting one foot of ladder line at the 1:1 choke-balun, which significantly impacts higher frequency bands and eliminates the need for a tuner on 17m. W5DXP's _AIM-4170D_ antenna analyzer measurements confirm these effects. More advanced modifications involve a parallel capacitor for further 80m SWR reduction, requiring remote switching for multi-band operation, and relay-switched parallel capacitors at specific points on the 450-ohm matching section to achieve low SWR on 60m, 30m, and 15m. These detailed steps, including _Smith chart_ analyses for the challenging bands, aim to transform the ZS6BKW into a truly all-HF-band antenna, reflecting W5DXP's practical experience in antenna tuning.

This 80M antenna is a pair of raised 1/4-wave verticals

A 4 element addition for 10m to an existing 4 element yagi (ZX antennas)

A homemade QRP Dummy Load with built-in RF detector

Prince Edward Island. The PEI DX Lodge offers a turnkey operation from a custom designed shack featuring state of the art transceivers/amplifiers, etc. and the ultimate in antennas on every band.

Raising large Yagi antennas can be a challenging project. A trolley system will make the job a lot easier

All about homebrew, antennas, accessories for shack, digital tecniques and more..

Amateur Radio operator interested in mobile & emergency operations, with some portable QRP operations.

Beacons recorded audio files by kl7fdq

A complete guide to magnetic loop antenna construction, with analysis of multi-turn and single-turn magneti loops, and and insight on choosing the optimal capacitor, or homebrewing your own butterfly capacitor

KJ4WLH homemade dipole for 50 Mhz