line a

1293 links - and 12 categories

VHF Collinear-Dipole
2 m. Band VHF Collinear with 2 Dipoles by sv1bsx

[ Hits: 10954 | Votes: 23 | Rating: 4.22 ]

Coaxial Transmitting Chokes
Understanding Common Mode and Differential Mode Currents on Transmission Lines by K9YC

[ Hits: 1102 | Votes: 0 | Rating: 0 ]
The Coaxial Line
Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses

[ Hits: 888 | Votes: 0 | Rating: 0 ]

Noise Reduction on 40m - Christoph
DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas ...

[ Hits: 1384 | Votes: 0 | Rating: 0 ]

Two-Wire Open Line
Article on various type of transmissium medium like parallel lines twisted pairs shielded pairs coax ...

[ Hits: 1537 | Votes: 1 | Rating: 7 ]
Multiband Open Wire Antennas
Why Multi-band Dipoles Need HEAVY Open Wire Line by Tom, K1JJ

[ Hits: 3491 | Votes: 1 | Rating: 9 ]
Open Wire Feed Line a second look - N1II
Put up the longest dipole you can fit feed it with open wire line connect ...

[ Hits: 2682 | Votes: 8 | Rating: 6.69 ]

Polarization, lines of force
While polarisation may seem insignificant compared with other considerations in setting up a communications system ...

[ Hits: 526 | Votes: 0 | Rating: 0 ]

Emtron
HF Linear amplifiers and power supplies manufacturer

[ Hits: 2686 | Votes: 1 | Rating: 1 ]

ICOM IC-706MKIIG Tech Note
If your IC 706MKIIG will not power up without even hearing a relay click check ...

[ Hits: 2933 | Votes: 9 | Rating: 7.22 ]

Bob's Electronics
Bob s Electronics serve a wide market of customers throughout the Midwes supports brand names ...

[ Hits: 1765 | Votes: 1 | Rating: 6 ]

Demis Web Map Server
A good online map service useful for ACARS map generation

[ Hits: 3539 | Votes: 6 | Rating: 6.67 ]

AADE Filter Design - AADE ^updated
Dowwnload this free windows programs to design Butterworth Chebyshev Elliptic Caur Bessel Legendre and Linear ...

[ Hits: 24858 | Votes: 114 | Rating: 7.17 ]

linSmith - Smith chart utlity - John Coppens
A Smith charting program You can enter either discrete components or transmission lines see the ...

[ Hits: 1369 | Votes: 1 | Rating: 10 ]

ebook2cw - text to morse - Fabian, DJ1YFK
ebook2cw is a command line program optional GUI available which converts a plain text ebook ...

[ Hits: 1558 | Votes: 3 | Rating: 2.67 ]

ptt2dtr - Norbert Varga
Translates CAT PTT commands into COM port DTR line changes Use COM port PTT instead ...

[ Hits: 797 | Votes: 5 | Rating: 7.2 ]

RF Amplifier basics
Introduction to RF power amplifiers. Basics and guidelines. by wb0nni

[ Hits: 1675 | Votes: 1 | Rating: 1 ]

Amplifier for 15 and 17 meter band
The two linear amplifiers are ment for use with QRP SSB CW FM AM transmitters ...

[ Hits: 1609 | Votes: 0 | Rating: 0 ]

HV power supplies
WV0NNI 2 800 VDC 2 Amps Continuous Variac adjusts filament voltage A voltage doubler circuit ...

[ Hits: 1402 | Votes: 1 | Rating: 5 ]

Rig - Computer CW Interface
Make your own interface two schematics for building an interface using the RTS line by ...

[ Hits: 1547 | Votes: 2 | Rating: 9 ]