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Microstrip Patch Antenna Calculator determines the length and width in millimeters of a rectangular patch antenna.

An article on SO-239 connector-based-antenna for 2 meters and 70 cm band by David White, WA7YFF

An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m

A wire dipole antenna for 80 meters band

Lights on why 160 meters is so unpredictable and what is being done to reveal its secrets

G0KYA review of the EH antenna for 20 meters band

A project of a small antenna, just 50 cm for the 7 MHz band. An EH Antenna plan for the 40 meters band

The grounded half loop describe in this article is basically a half wave length wire on 80 Meters. The 80M grounded half loop antenna, inspired by a 1984 QST article by SM0AQW, is a compact solution for limited spaces. Comprising a 127-foot wire fed against ground and supported by radials, it balances performance and practicality. Despite compromises in length and proximity to structures, the antenna delivers strong signal reports and effective multi-band tuning using an SGC 237 antenna coupler. Ideal for CW operation, it offers low SWR on 80-10M, though noise levels and safety considerations warrant attention. This versatile design excels in constrained environments.

An home made slim jim antenna for 2 meters band by VU2TQC

Maker of optical spectrum analyzers, digital oscilloscope, digital power meters and more test equipmente related products

PC-based oscilloscopes, data acquisition and data logger products, spectrum analyzers and voltmeters

This is the schematic of asolid-state 7 MHz QRP CW transmitter by VU2NAN

A 5 elements homemade DK7ZB yagi antenna for 4 meters band based on a 50MHz TONNA

The 80m TX described here is the well known ON7YD ATX-80 and timer, combined and re-engineered to fit a readily available enclosure by G3ZOI

An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band

A Home made QRP tuner for 10-40 meters

A Big Wheel antenna for 4 meters band by OE5MPL

Homebrewed transceiver for 20 meter originally born for 17 meters band

A Wire resonant loop antenna for 160 meters band article by N4KC

A lightweight portable vertical antenna for 40m

Fellowship of Christian Amateurs meeting M-F on 40 meters

80-meter peilontvanger / receiver includes printed circuit sample and list of components

A monster magnetic loop antenna for 160 meters band. This Magnetic loop is optimized for 1840 Khz + 50 Khz. PDF Article published on La Radiospecola 10.22

A 2 element Narrow Diamond Loop Array for 40 Meters by VE3VN

Modelling an horizontal Loop antenna at 3.5 MHz

A three band short Vee antenna is feasible with two legs per side on a dipole. 10-15-20 meters by W8HDU

80 to 6 meters, 2 KW, designed to be used at heights of only 25 to 45 feet, includes a twenty foot long vertical radiator

EF0603S is a 3 element portable yagi antenna for six meters band by YU7EF

Homebrew project of a windom antenna, an off center fed dipole, resonating from 10 to 80 meters

Phased wire vertical antennas for 40 meters band

A Co-ax Trap Dipole For 40, 30 and 20 Meters or at last that was the intention

A magnetic loops for HF pedestrian mobile project by VK3YE

A vertical antenna for Six Meters band

Includes W1BB Stew Perry letters, and a sample QSL cards of dated 1963

Test equipment maker, digital oscilloscopes, generators and counters, multimeters, logic probes testers and more

Antenna model for a diamond loop wire antenna for the 40 meter band

500kHz to 12 meters beacons by SK6RUD/B

A small sized and very cheap antenna project that allow you to work on WARC bands with a total gain very close to the dipole in both bands. On 12 meters is a normal dipole, while on 17 is a trapped dipole. Article in Italian

An homebrew project for a 4 elements yagi monoband antenna for the 10 meters by 9M2MSO

A 5 element yagi beam antenna for ten meters band with full dimentsions, eznec file and coax match informations for 50 ohms feed line

An high gain long yagi antenna, seven elements, for six meters band

A multiband coax trapped dipole for 10-80 meters bands by DF1PU

Flag antenna project for 160 meters band

Delta loop antennas for 40 meters plans and comparison of some models

A presentation of a HF multi-band sloper antenna. This antenna project is for low band operations, and antenna presented in this article works on 40 80 and 160 meters band. Article is in Polish.

A small Z-Match tuner, BLT, Balanced Line Tuner is a simple Z-Match tuner that works from 10-40 meters

A 2 element 40 meters band parasitic delta loop antenna project with pictures and details

A project that describes a build a multiband wire beam antenna. A 3 band single feed moxon antenna for 20,15,10 meters.

The page discusses the concept of a 2-element Parasitic Ground Plane antenna for the 40-meter band. It includes a conversation between amateur radio operators discussing modeling results and design considerations for the antenna. The author shares insights on radial configurations and the impact on antenna efficiency and pattern.

Schematic diagram and description of a magnetic loop antenna that works from 10 to 20 meters band, made from junk