call

509 links - and 2 categories

2 Meter Turnstile Antenna - Here are construction plans of a Turnstile antenna that can be used for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz
[ Hits: 4262 | Votes: 1 | Rating: 7 ]

Using the half-square antenna for low bands - Can’t put up a really high horizontal antenna for 80-meter DXing? Maybe the vertically polarized Half-Square might be the antenna for you.
[ Hits: 3210 | Votes: 3 | Rating: 6.33 ]

A Cost Effective Current-mode 1:1 Balun - A cost effective current-mode 1:1 balun can be constructed from a length of coax and a rod typically used for a broadcast antenna loop-stick, some electrical tape, cable ties, a length of PVC water-pipe and some connectors.
[ Hits: 9193 | Votes: 4 | Rating: 7.25 ]

CobWeb multiband folded dipole - The cobweb antenna it is basically a 5 band antenna comprising of 5 full half wave dipoles for each band - between 10 meters and 20 meters, the antenna is also resonant on 6M and can be modeled even for VHF frequencies.
[ Hits: 8631 | Votes: 0 | Rating: 0 ]

Build a hanging dipole for 2 metres - Described here is a simple omni-directional, vertically-polarized dipole for two meters. Made from coaxial cable, it can be rolled up and stored in a small container
[ Hits: 5335 | Votes: 3 | Rating: 8.33 ]

Multi Band Antenna Traps - These devices are called Traps, but they are actually more like frequency sensitive switches. They are parallel resonant, high Q, tuned circuits which provide a very high impedance at their frequency of resonance.
[ Hits: 4851 | Votes: 3 | Rating: 6 ]
VE6YP CoaxTrap - The Coax trap program computes design parameters for the construction of coaxial traps for HF usage. Typically these are constructed from PVC tube and RG58/59 coax
[ Hits: 7446 | Votes: 26 | Rating: 6.54 ]

All Band Dipole - Antenna suitable for all the HF amateur bands, including the so called WARC bands by vk6ysf
[ Hits: 18642 | Votes: 3 | Rating: 7 ]

Amateur Radio callsign suffixes - Usage of proper suffixes in amateur radio callsigns including /p /mm /am by mm0hai
[ Hits: 819 | Votes: 3 | Rating: 4 ]

HamLog.eu - This online database, called HAMLOG, can be used free of charge by any radio amateur worldwide.
[ Hits: 672 | Votes: 1 | Rating: 10 ]

W8CCA Coshocton County Amateur Radio Association - The coshocton county amateur radio association official website - club callsign w8cca
[ Hits: 407 | Votes: 4 | Rating: 7.25 ]

K6MVR MVRC Radio Club - The Mt.Vaca Radio Club (Call sign K6MVR ) owns and operates repeater systems in and around Sacramento, California. The systems provide reliable coverage for mobile stations throughout the Sacramento Valley region and beyond to Modesto, Chico, the Sierras, and parts of the Bay Area.
[ Hits: 1061 | Votes: 1 | Rating: 10 ]

WM8C Ham Radio Callsign Hat and Cap - Custom embroidered ham radio call sign hats and caps
[ Hits: 1610 | Votes: 5 | Rating: 8.2 ]

KNLS English Service - KNLS English Service, this Is Alaska Calling! World Christian Broadcasting, Station KNLS, Anchor Point, AK USA
[ Hits: 527 | Votes: 3 | Rating: 7 ]

Fcc Lookup System - The FCC Lookup System software uses the standard FCC data files in an advanced lookup system for matching a call sign to a user. The software creates index files to allow rapid searches without modifying the FCC data file. Available for both Windows and Linux.
[ Hits: 1164 | Votes: 2 | Rating: 1 ]

Mini logbook - A neat free little tool to log your contacts. It automatically looks up previous contacts with recent call. Select text in MRP40 Rx- window. Auto insert that text into MiniLog via double click. By Polar Electric
[ Hits: 1569 | Votes: 2 | Rating: 5 ]

Virtual Legacy Radio - Windows remote control for Yaesu or Icom. Displays the current transceiver settings frequency, mode, and others on the PC in an old-fashioned way that corresponds to the look of receivers in 70's. DX-Cluster Watch (DCW) is an application that automatically refreshes a web page with the dx-cluster content, parses spot lines from it, keeps a consolidated list and inserts the spots to VLR as frequency markers by OK1FIG
[ Hits: 1847 | Votes: 6 | Rating: 10 ]

A Coax Switch - An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1
[ Hits: 9682 | Votes: 8 | Rating: 7.5 ]

Simple adjustable passive attenuator - This adjustable passive attenuator works as a "waveguide beyond cutoff." It can be constructed in about ten minutes from parts available locally.
[ Hits: 1380 | Votes: 3 | Rating: 8.33 ]

G0UPL 30m QRSS Junkbox Beacon - This simple 30m QRSS beacon is built entirely out of junkbox parts, the only component purchased specifically for this project was the 10,140kHz crystal.
[ Hits: 822 | Votes: 1 | Rating: 9 ]