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315 links - and 4 categories

Half-Length Dipoles for 40 Meters - W4RNL
Complete collection of the four main parts of this excellet research on modelling and designing ...

[ Hits: 388 | Votes: 2 | Rating: 10 ]

An Antenna for 75 and 80 Meters Band - K9LA
A trap antenna dipole covering two differen bands made reusing an old 160 80m inverted ...

[ Hits: 322 | Votes: 0 | Rating: 0 ]

A Cobwebb antenna homebrew - 2E0DDH
A homebrew cobwebb antenna for HF bands covering from 10 to 20 meters band ...

[ Hits: 179 | Votes: 1 | Rating: 10 ]

An introduction to the air cored coil - R.Clarke
We use the term air core coil to describe an inductor that does not depend ...

[ Hits: 107 | Votes: 1 | Rating: 2 ]

Homebrew an OCF Off-Center Fed Dipole Antenna - W5ODJ
This type of antenna is a popular antenna design as the performance is very good ...

[ Hits: 198 | Votes: 3 | Rating: 6.67 ]

The Paper Radio - iz1cqn - Florenzo
In the meantime he flees flees irrecoverable time Virgilio Journey into the past to discover ...

[ Hits: 70 | Votes: 2 | Rating: 8.5 ]

Northern Utah WebSDR USA - sdrutah.org
This online WebSDR is located near Corinne Utah has coverage on all U S amateur ...

[ Hits: 519 | Votes: 3 | Rating: 10 ]
DK0TE Mobile version WebSDR Germany - DK0TE
This is the mobile version of the DK0TE WebSDR providing HF ham radio bands coverage ...

[ Hits: 182 | Votes: 2 | Rating: 5.5 ]
Iceland WebSDR - TF4AH
KiwiSDR Software-defined receiver at Bjargtangar Iceland covering HF Bands

[ Hits: 243 | Votes: 1 | Rating: 9 ]

NA4RR HexBeam - NA4RR
NA4RR manufacture a six band hexagonal beam antenna for ham radio covering 6 10 12 ...

[ Hits: 157 | Votes: 0 | Rating: 0 ]

W6LVP Loop Antennas - W6LVP
Magnetic loop receive antennas manufacturer W6LVP loops cover 2200 through 10 meters 135 kHz through ...

[ Hits: 145 | Votes: 1 | Rating: 4 ]

(tr)uSDX - DL2MAN
The tr uSDX is a 5 Band Mulitmode QRP Transceiver in Pocket Format 90x60x30mm 140g ...

[ Hits: 203 | Votes: 2 | Rating: 10 ]

K1IW Amateur Repeater and Broadcast Transmitters Database - K1IW
Use this form to generate a list of amateur repeaters and broadcast transmitters to your ...

[ Hits: 92 | Votes: 0 | Rating: 0 ]

ICOM IC 7300 mods - brucerichards
Modifications for the ICOM IC 7300 transceiver MARS mod antenna tuner coverage expansion Mic Modification ...

[ Hits: 669 | Votes: 3 | Rating: 7.67 ]

FTDX101D Full TX Expansion Modification - DJ7AQ
How to enable a full TX coverage on the Yaesu FTDX101D the european version ...

[ Hits: 566 | Votes: 5 | Rating: 6 ]

How to Ground an Antenna: aerial earthing - Electronic Notes
The antenna ground or earth system can be key to its operation whilst also being ...

[ Hits: 233 | Votes: 1 | Rating: 4 ]

The G4AON SSB Transmitter - G4AON
This transmitter covers the 160 80 40 and 20 metre bands and provides both SSB ...

[ Hits: 181 | Votes: 2 | Rating: 9.5 ]

Kenwood TS-680S Mod - ye3cif
Extend frequency coverage on the Kenwood TS-680S transceiver

[ Hits: 85 | Votes: 0 | Rating: 0 ]

Tulip SDR - SP3OSJ
SDR Project for a compact amateur radio software defined radio trasceiver covering HF bands all ...

[ Hits: 369 | Votes: 5 | Rating: 8 ]

How RTL-SDR dongles work - PA3FWM
Since 2012 the RTL SDR is the simple and cheap way to give Software Defined ...

[ Hits: 129 | Votes: 1 | Rating: 10 ]