band filter

band filter

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• Coax Stubs and Band Pass Filters - Will additional coax stubs improve Band Pass Filter performance?
  [ Hits: 663 | Votes: 1 | Rating: 2 ]

• K9AY 160m 80m receiving loop antenna - A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN
  [ Hits: 987 | Votes: 1 | Rating: 7 ]

• Reverse Beacon Network on live graph - Last 15 minute Reverse Beacon Network spots on live graph, let you filter by dx spot continent or spotter continent, as well as by band and let you reduce bandwidth
  [ Hits: 622 | Votes: 4 | Rating: 9.75 ]

• Anatech Electronics - Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.
  [ Hits: 282 | Votes: 1 | Rating: 10 ]

• HF Operations: The Difference with HF - A complete guide on using the HF amateur radio bands, and the differences with VHF, using filters, influence of solar weather, the split mode and phonetic alphabets.
  [ Hits: 335 | Votes: 2 | Rating: 8.5 ]

• IC-706MKII filter modification - Adding a 20m band pass filter for the Icom IC-706MkII(G) by ON7EQ
  [ Hits: 501 | Votes: 1 | Rating: 6 ]

• DX Cluster for Android - Get live DX spots on your Android device. DX Cluster for android is a real time DX spots client, show different bands and mode filters, a country filter for spotter or the spots, prefix or call sign alarms. Download from Wolphi Solutions
  [ Hits: 996 | Votes: 2 | Rating: 5 ]

• ScopeIIR - ScopeIIR: an Infinite Impulse Response (IIR) digital filter design tool for Windows. It designs high-order IIR filters based on analog filter prototypes, and can design lowpass, highpass, bandpass, and bandstop filters.
  [ Hits: 778 | Votes: 2 | Rating: 5.5 ]

• iDX for iPhone - Free ham radio DX Cluster app for iPhone and iPad based on G7VJR DXlite, allow to easily filter by band, show skimmer or cluster spots, and call-sign search.
  [ Hits: 1241 | Votes: 39 | Rating: 9.35 ]

• FIlters calculator - Passive Band-Pass Filter, low-pass filter calculator
  [ Hits: 418 | Votes: 3 | Rating: 2.33 ]

• Use Band Pass Filters to clean up Signals - Clean Up Your Signals with Band-Pass Filters, a two-parts article published in this PDF file from a June 1998 QST article
  [ Hits: 787 | Votes: 1 | Rating: 1 ]
• Bandpass filter - A simple project for an effective home made band pass filter, designed for the portable field day usage
  [ Hits: 791 | Votes: 2 | Rating: 9 ]
• Contest Bandpass Filters - Build a set of W3NQN filters for multi-operator contesting
  [ Hits: 666 | Votes: 0 | Rating: 0 ]
• W3NQN TX filters - Building the W3NQN bandpass filters
  [ Hits: 429 | Votes: 0 | Rating: 0 ]
• Tunable BandPass Filter - A homemade tunable bandpass filter for all HF bands from 160m to 10m
  [ Hits: 1121 | Votes: 3 | Rating: 5.67 ]

• SSB Microphone Filter - Build this circuit to tailor your microphone response to different band conditions. A project by KG4JJH
  [ Hits: 467 | Votes: 1 | Rating: 1 ]

• PlasmaTV QRN Eliminator - An improved version of DK9NL QRM Killer, with dedicated noise sampling antenna for completely filtering of plasma TV rattle on HF bands
  [ Hits: 899 | Votes: 0 | Rating: 0 ]

• 144 Mhz Stop band TVI filters - A High pass filter will not help, use a stop-band filter to notch out the beast.
  [ Hits: 725 | Votes: 1 | Rating: 2 ]

• RF Sweep Generator - Hand made RF sweeper made to adjust the pass band of crystal filter
  [ Hits: 538 | Votes: 0 | Rating: 0 ]
• Simple Hartley Sweeper - This sweeper built for a narrow bandwidth filter adjustment, use a simple 555 version sawtooth wave generator.
  [ Hits: 762 | Votes: 0 | Rating: 0 ]

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