ABCDx: Glossary

For ready reference, here is a compilation of all of the popup definitions that appear in the chapters of this monograph.

absorption far-field passband Telnet
ADIF Field P.E.P.S.I TNC
    phase  
AFSK. filter pileup Top of the Honor Role
antipode FM pirate tuning
ATU (antenna tuning unit) Front-to-Back Ratio polar flutter  
aurora FSK polarization
auroral oval   police  
AWG gain propagation UTC
Azimuthal Radiation Pattern gravity wave PSK31  
  grayline PSK63  
balun great circle (routes)   Varicode
band-counter green stamp   vectors
barefoot gridsquare QPSK VFO
Baudot code   QRP VUCC
beam antenna heading (beam) QSK  
beam heading Hogwash QSL  
Big Guns   QSL bureau WARC bands
Blocking (dynamic range) IARU QSL manager WFWL
Bootlegger ICAO QSX  
breakin (QSK) IMD (dynamic range) Quad  
  impedance (Z)   Yagi
chordal hops information (DX)    
CME internal noise radial system  
constructive interference Ionization rig  
contestors ionosonde RTTY  
critical frequency (fc) Ionosphere    
CW IRC SAE  
ITU SASE  
    search engines  
dBm list (Internet) selectivity  
dead band List Operation selective tuning  
deleted entity logging program sensitivity  
Deserving (,The) long path short path  
destructive interference (LOTW) Logbook Of The World simplex  
digital mode LUF (Lowest Usable Frequency) skin effect  
DSP (Digital Signal Processing)   skip  
dual VFOs (A/B) MDS (Minimum Discernible frequency) Slim  
DX median values Smoothed Sunspot Number  
DXCC (DX Century Club) MFSK SNR (signal-to-noise ratio)  
DXCC Honor Roll microvolt Solar activity  
DX Cluster (DX Packet Cluster) mode-counter Solar cycle  
DXing MUF (Maximum Usable Frequency) Solar flare  
DX net MUF prediction software Solar flux  
DXpedition multi-hop Solar Flux Index (SFI)  
    Solar Indices  
DX spots near-field speech compression  
Dynamic range Netherlands New Guinea (JZ0) split  
  neutral atmosphere SSB  
  night side SSTV  
  noise floor Standing Wave  
Effective Radiated Power (ERP)   Standing Wave Ratio (SWR)  
electromagnetic Oceania sunspot  
Elevation Radiation Pattern OH2BH sunspot cycle  
entity opening (band) sunspot number  
eQSL (electronic QSL)