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- Ham Radio > Famous Hams
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- Operating Modes > Ham Radio Balloons
- Technical Reference > Ham Radio Go Kits
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- Operating Modes > Satellites > Hamsat VO-52
- Operating Modes > Morse code > High Speed CW > HST Championships
- Ham Radio > Clubs > North America > USA > New Hampshire
- Technical Reference > AI Ham Radio
- DX Resources > Ham Radio Awards
- Antennas > 12M
- DX Resources > DX Peditions > 2011 DXpeditions
- DX Resources > DX Peditions > 2012 DXpeditions
- DX Resources > DX Peditions > 2013 DXpeditions
- DX Resources > DX Peditions > 2015 DXpeditions
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- Antennas > 20M
- Technical Reference > 3D Printed Projects
- Ham Radio > Clubs > North America > USA > Alabama
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Pictures and plans of a 4 elements yagi beam antenna for 14 Mhz -
Kenwood TS-2000 manuals schematics and mods -
The 75 meter dipole at K7ZB was put up to meet the need for making contacts with friends in the Southwest and Southern California. As usual, it had to be put up so no one can see it from the surrounding neighborhood. -
50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more. -
A complete overview of modern digital HF radio operating modes: PACTOR AMTOR GTOR CLOVER RTTY PSK31 HELLSCHREIBER PACKET MT63 MFSK16 THROB. -
A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It's compact, light, economical and doesn't need any radial. -
A 3 band dipole for 10 15 and 20 meters band, easy to build, and that can be easily setup in any occasion, inclunding field days or portable operations -
Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip -
17 m reduced size coaxial moxon rectangle, an exercise with an MFJ 259B plans by N0KHQ -
Grounding Systems for Amateur Radio Stations, Safety grounds vs. radio frequency (RF) grounds, the practical station ground -
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Get maximum power to your antenna by learning how to hook up and use a tunner to properly "trick" your rig -
IC-718 modifications schematics and manuals -
Make your own dummy load with two 100-ohm 5W resistors -
This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen. -
A suitable high gain 70cms antenna for SOTA operation by Richard Price GW0VMW -
A 3 Element Mono-band Yagi for 20 meters by Kees Wiegers, PA5CW (ex-PA3BHS) -
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Article with detailed pictures of an endfeed antennna for 20 and 30 meter band -
Step-By-Step Construction of a 4:1 Current-Type Guanella Balun by W1CG -
A program to design and print QSL cards on your computer, as well as design QSL cards for printing by commercial printers. This program overcomes many of the limitations that are present in other QSL design and print programs and methods. Works on Windows 7 to 10. -
A freeware HF propagation prediction tool, that interface the VOACAP tool by Alex VE3NEA -
W7TDC modification of the Ameritron AL-80A power amplifier -
Windows application that will allow you to perform calculations with the popular Maidenhead Grid Square system. This grid system is used worldwide by amateur radio operators for many aspects of ham radio. -
KSM Kenwood Smart Memory is a program to read and update the memory channels of a Kenwood amateur radio. The current supported types are: TS-450S, TS-570D, TS-570S, TS-690S, TS-870S, TS-940S,TS-950S. -
Constructing and designing full size, single band stacked yagi antenna arrays -
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An interesting article about homebrewing antenna traps for multiband antennas by VE3GK -
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A detailed drawing of a VHF UHF Log periodic antenna by VA2PHI -
Plans, photos, electrical and mechanical design for this HF Log periodic antenna. -
The multi-band trapped dipole is resonant on approx 3.7, 7, 14, 24 7 28.5 Mhz. The overall top length needs to be approximately 32.9 Meters -
This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0-7.2MHz) when only restricted space is available -
Retrospective of a mark now disappeared. Jumbo, Multimode, Concorde, Puma, Viking. Photographs, diagrams, adjustments etc. -
Even if using a tuner this multiband antenna will let you operate from 160 to 10 meters. If you could only put up one antenna, this would be it. Project by N0KHQ. -
Guide to calculate effective gain of antennas -
Contain schematic diagram of many different radio, and some operations instructions. -
Sardine Can Antenna. is a BiQuad or Bi circle - wire length each side (8 x 1/4 waves ) 31 mm -
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How To Build Code-Practice Apparatus: A Simple Telegraph Key -
Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors -
This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands. -
A double bazooka antenna plan for the cw portion of the 40 meter band -
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. -
Complete introduction to amateur radio, excellent resource for beginners. -
Many Icom IC-746's suffer from intermittent or non-functioning LCD backlights. Here how it can be solved -
Delta Loop Antenna for 15m band. This antenna is made for operating from outdoors, mainly from mobile shack. Drive to a parking you like, then build it up. Just half an hour later, you can enjoy slightly better gain than normal dipole. -
Modification schematics and manuals for TH-F6A