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K9AY Loops


K9AY Loops

Low band operators are always looking for ways to improve their hearing. As a low-band fan, I was impressed with the EWE antenna developed by Floyd Koontz, WA2WVL. [1, 2] Koontz shows us how to build a compact
post 15 Nov 2019

K9AY Loops

Antenna Delta Loop Links

Delta Loop UN7CI for 7, 10, 14 and 21- MHz
The antenna has SWR less the 2.0:1.0 at height of the lower side 1.2 meters above the ground

Mini Delta, G3EJS
The author had been searching for acompact beam which could beeasily and quickly assembled forportable operations from Scottishislands, because time wastedassembling a complex station on anisland means that many lose thechance of a QSO with that island

Multiband delta loop, DL2HCB
A multiband antenna, giving comparable results to a mono-band loop or dipole. At the open end of the loop a 1/4 wave shorted stub for 28Mhz was added. The stub and the feed line is made of 450 ohm ladder line. The stub opens the loop on 28Mhz, on all other frequencies the antenna is working as a closed loop

Multiband delta loop, G3YCC
The windings for the 15m coupler are secondary 25 turns of 16 SWG enammeled copper wire with 3 turns of plastic covered wire over the earthy end. The tuner can housed in a plastic container and thin, light coax used

Multiband Delta Loop, W2EGH
For 160m relays 1 and 4 are energized, the antenna works as a folded DipolFres = 1.85 MHz For 80m all relays are de energized, Antenna operates as delta loop with Fresres 3.7 Mhz with parallel connected dipole Fres 3.6 MHz For 40m Relay 2 is energized, L1 produces resonance at 7.1 MHz. For 30m relay 2 + 3 is energized, L1 and L2 cause resonance to 10.125 MHz