pass

202 links

G3YXM Small Loop
This simple antenna is capable of remarkable results on 160 80 and 40 metres Forming ...

[ Hits: 3761 | Votes: 2 | Rating: 9 ]

Loughborough & District Amateur radio club
Loughborough and District Amateur Radio Club LADARC takes it s membership from the north west ...

[ Hits: 224 | Votes: 1 | Rating: 7 ]

The No-Nonsense Extra Class License Study Guide - KB6NU
The No Nonsense Extra Class License Study Guide for tests given between July 2016 and ...

[ Hits: 414 | Votes: 0 | Rating: 0 ]

Cross Country Wireless
UK manufacturer of ham radio accessories including TNX SDR receivers RF Diplexers Triplexers bandpass filters ...

[ Hits: 1337 | Votes: 3 | Rating: 7 ]

K2 Change 20 30m band filter
Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation

[ Hits: 231 | Votes: 0 | Rating: 0 ]

Baofeng UV-3R Low pass Filter Mod
This page describes a fix to the Low Pass Filter that provides more filtering of ...

[ Hits: 1387 | Votes: 3 | Rating: 5 ]
Baofeng LPF mod by G0FTD
A modification of the UV3R Baofeng handheld transceiver to improve the built in low pass ...

[ Hits: 406 | Votes: 0 | Rating: 0 ]

Scanecoute - cyrille
Scanecoute French radio scanning portal la passion des ondes VHF UHF Forum tchat site consacre ...

[ Hits: 738 | Votes: 4 | Rating: 3.5 ]

Fairview Microwave Inc - bob hawkins
Supplier of RF Microwave Wireless passive coaxial components including Coaxial Attenuators Adapters Cables DC Blocks ...

[ Hits: 458 | Votes: 1 | Rating: 10 ]

MiniKits.com.au
Australia s largest range of Electronic Kits Components In Stock for the Radio Experimenter ATV ...

[ Hits: 839 | Votes: 0 | Rating: 0 ]

HamSatDroid
This software predicts future passes for amateur radio satellites for a specified location and period ...

[ Hits: 3224 | Votes: 2 | Rating: 8.5 ]

JS8Call - JS8Call
Js8Call is communication software designed for keyboard to keyboard message passing Based on the WSJT ...

[ Hits: 959 | Votes: 3 | Rating: 10 ]

OZ2M - Next generation beacon - Bo
Next Generation Beacon hardware platform encompasses both analog and digital modes i e CW FSK ...

[ Hits: 427 | Votes: 3 | Rating: 10 ]

Bandpass Filters for Portable Usage
These are QRP rated 3 Pole Butterworth filters based on a design by K4VX feature ...

[ Hits: 535 | Votes: 0 | Rating: 0 ]
440Mhz Interdigital Bandpass Filter
Homebrew Amateur Radio 440Mhz Interdigital Bandpass Filter

[ Hits: 579 | Votes: 1 | Rating: 1 ]
Constant k Lowpass Filter Design
Online Constant - k Lowpass Filter calculator

[ Hits: 451 | Votes: 12 | Rating: 3.67 ]
Highpass filter calculator
Butterworth Highpass Filter Designer

[ Hits: 445 | Votes: 4 | Rating: 2.75 ]
About Cavity Filters
Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass ...

[ Hits: 472 | Votes: 3 | Rating: 5.33 ]
144MHz Low-Pass / 432 MHz Notch Filter
A combined 144MHz Low-Pass and 432 MHz Notch Filter by VE2ZAZ

[ Hits: 732 | Votes: 3 | Rating: 1.33 ]

30 m Band Direct Conversion Receiver
The direct conversion receiver described consists of only a bandpass filter mixer IC VFO and ...

[ Hits: 770 | Votes: 1 | Rating: 4 ]