| # | 555 TIMER | | | 555TIMER
|
|---|
| 1 | A.C. CIRCUIT BASICS | | | ACCALC |
| 2 | ALK FACTOR | , antennas | | ANTENNA |
| 3 | ALUMINUM TUBING | , specifications | | TELETUBE |
| 4 | ALUMINUM TUBING | , tapered Yagi elements | | YAGTAPER |
| 5 | AMMETERS | | | METERS |
| 6 | AMPLIFIER | , power | , tank circuit | TANKCCT |
| 7 | AMPLIFIERS | , operational | , solid state | OPAMP |
| 8 | ANGLE CONVERSION | , degrees/minutes/seconds | | EQUIV |
| 9 | ANGLE CONVERSION | , degrees/radians | | EQUIV |
| 10 | ANGLE OF RADIATION | , antennas | | RADANGLE |
| 11 | ANTENNA ALK FACTOR | | | ANTENNA |
| 12 | ANTENNA ELEMENT LENGTHS | | | ANTENNA |
| 13 | ANTENNA FIELD STRENGTH | | | ANTFIELD |
| 14 | ANTENNA FREQUENCY SCALING | | | ANTSCALE |
| 15 | ANTENNA HEIGHT | , recommended minimum | | ANTENNA |
| 16 | ANTENNA K-FACTOR & LENGTH | , (NEC-2 model) | | KFACTOR |
| 17 | ANTENNA MATCHING NETWORKS | , equivalent circuits | | ANTMATCH |
| 18 | ANTENNA TRAPS | | | WAVETRAP |
| 19 | ANTENNA | , balcony whip | | MOWHIP |
| 20 | ANTENNA | , bobtail curtain | | BOBTAIL |
| 21 | ANTENNA | , capacitance loaded | , horizontal or vertical | CCDANTEN |
| 22 | ANTENNA | , CCD | , (Controlled Current Distribution) | CCDANTEN |
| 23 | ANTENNA | , coaxial cable traps | | COAXTRAP |
| 24 | ANTENNA | , dipole | , broadband | FATDIPOL |
| 25 | ANTENNA | , dipole | , centre-loaded | CENTLOAD |
| 26 | ANTENNA | , dipole | , cylinder-loaded | CYLLOAD |
| 27 | ANTENNA | , dipole | , dual-band | TRAPDIP |
| 28 | ANTENNA | , dipole | , multiband for restricted space | SHORTDIP |
| 29 | ANTENNA | , dipole | , off-centre loaded | SHORTANT |
| 30 | ANTENNA | , dipole, single trap 3 band | , (by W8NX) | TRAPDSGN |
| 31 | ANTENNA | , discone | | DISCONE |
| 32 | ANTENNA | , element size & length | | ANTENNA |
| 33 | ANTENNA | , folded dipole | , 300Ω twin-lead | FOLDIPOL |
| 34 | ANTENNA | , G5RV multiband dipole | | G5RV |
| 35 | ANTENNA | , hairpin beta-match | | HAIRPIN |
| 36 | ANTENNA | , inverted vee | | INVEE |
| 37 | ANTENNA | , length & pruning calculator | | ANTENNA |
| 38 | ANTENNA | , log-periodic Yagi | | LOGYAG |
| 39 | ANTENNA | , loop skywire | | LOOPSKY |
| 40 | ANTENNA | , loop | , inductance calculator | LOOPANT |
| 41 | ANTENNA | , miniature loop | | MINILOOP |
| 42 | ANTENNA | , mobile/maritime whip | | MOWHIP |
| 43 | ANTENNA | , parabolic dish reflector | | DISHANT |
| 44 | ANTENNA | , physical length vs. frequency/wavelength | | ANTENNA |
| 45 | ANTENNA | , pruning calculator | | ANTENNA |
| 46 | ANTENNA | , Quad design | | QUAD |
| 47 | ANTENNA | , Quad | , coil-shortened for restricted space | MINIQUAD |
| 48 | ANTENNA | , single wire | | SNGLWIRE |
| 49 | ANTENNA | , sloper | | SLOPER |
| 50 | ANTENNA | , stub match | | STUBANT |
| 51 | ANTENNA | , SWR at feed point | | LINELOSS |
| 52 | ANTENNA | , T match for 600 Ω line | | TMATCH |
| 53 | ANTENNA | , toroid traps | | TOROTRAP |
| 54 | ANTENNA | , vertical | , helically wound | HELVERT |
| 55 | ANTENNA | , vertical | , with capacity hat | CAPYHAT |
| 56 | ANTENNA | , whip | | MOWHIP |
| 57 | ANTENNA | , Yagi 3-element beam | | YAGI3EL |
| 58 | ANTENNA | , Yagi | , element spacing | YAGISPAC |
| 59 | ANTENNA | , Yagi | , extremely long | YAGILONG |
| 60 | ANTENNA | , Zepp | , double extended | ZEPPDBL |
| 61 | ATTENUATION | , due to SWR | | SWR |
| 62 | ATTENUATORS | , T-Pad and Pi-Pad | | ATTENPAD |
| 63 | AUDIO FILTER | , band-pass | | AUDFILT |
| 64 | AUDIO FILTER | , low-pass | , Sallen & Key | LOPASS |
| 65 | AUDIO FILTER | , Op Amp | | AUDFILT |
| 66 | AUDIO FILTER | , passive | | AUDPASS |
| 67 | AUDIO TONES | | | ZOUNDS |
| 68 | B.& W. INDUCTORS | | | AIRCORE |
| 69 | BACKUP HAMCALC | | | CPYHCAL |
| 70 | BALUN | , coaxial cable | | SERISECT |
| 71 | BAND-REJECT FILTER | | | BANDSTOP |
| 72 | BANDPASS FILTER | , audio op amp | | AUDFILT |
| 73 | BANDWIDTHS | , 2:1 SWR | | BANDWDTH |
| 74 | BATTERY PACK | , Ni-Cad | , discharger | NICAD |
| 75 | BATTERY SCHEDULE | | | BATTERY |
| 76 | BEAM HEADING CALCULATOR | | | PATHFIND |
| 77 | BETA-MATCH | , hairpin | , for Yagi antenna | HAIRPIN |
| 78 | BOBTAIL CURTAIN ANTENNA | | | BOBTAIL |
| 79 | BRIDGE CIRCUIT ANALYSIS | | | BRIDGE |
| 80 | BUTTERWORTH FILTER | , low-pass audio | | LOPASS |
| 81 | BUTTERWORTH FILTERS | , HF | | BUTTFILT |
| 82 | CALENDAR | , perpetual | | CALTODAY |
| 83 | CAPACITANCE | , in A.C. circuits | | ACCALC |
| 84 | CAPACITORS | , custom value | , parallel ganged | CUSTCAP |
| 85 | CAPACITORS | , design calculator | | CAPTANCE |
| 86 | CAPACITORS | , homebrew | | CAPTANCE |
| 87 | CAPACITORS | , in series and parallel | | SERIPARA |
| 88 | CAPACITORS | , precise values | | PRECICAP |
| 89 | CAPACITORS | , standard values | | CAPACVAL |
| 90 | CAPACITORS | , telescoping variable | | CAPYTEL |
| 91 | CAPACITORS | , trimmer | | CAPTRIM |
| 92 | CAPACITY HATS | , for vertical antennas | | CAPYHAT |
| 93 | CAPACITY HATS | , geometric shapes | | HATSHAPE |
| 94 | CCD ANTENNAS | , (contolled current distribution) | | CCDANTEN |
| 95 | CENTRE FREQUENCIES | , ham bands | | HAMBANDS |
| 96 | CENTRE FREQUENCY & WAVELENGTH | | | CENTFREQ |
| 97 | CHEBYSHEV FILTER | , low-pass audio | | LOPASS |
| 98 | CIRCLE | , properties of | | PROPCIRC |
| 99 | CIRCULAR WAVEGUIDE DISH FEEDS | | | CIRCFEED |
| 100 | CLOCK | , (screen saver) | | SUNCLOCK |
| 101 | COAXIAL CABLE CHARACTERISTICS | | | COAXCHAR |
| 102 | COAXIAL CABLE MATCHING TRANSFORMER | , Series-Section | | SERISECT |
| 103 | COAXIAL CABLE STUBS | | | COAXSTUB |
| 104 | COAXIAL CABLE TRAPS | , for antennas | | COAXTRAP |
| 105 | CODE TRAINER | , (CW) | | CW |
| 106 | COIL FORMS | , from plastic pipe | | COILDSGN |
| 107 | COILS | , close-wound | , design of | COILDSGN |
| 108 | COILS | , close-wound | , equation calculator | COILEQUA |
| 109 | COILS | , commercial | , (Barker & Williamson) | AIRCORE |
| 110 | COILS | , helical winding calculator | | HELIX |
| 111 | COILS | , in L/C tuned circuits | | TUNECCT |
| 112 | COILS | , made from dryer vent hose | | INDUHOSE |
| 113 | COILS | , shielded | | HELRESON |
| 114 | COILS | , tapped | | COILTAP |
| 115 | COILS | , tapped | , feedline matching | SNGLWIRE |
| 116 | COILS | , wound on Nylon screws | | TINYCOIL |
| 117 | COLOUR CODES | , resistors | | COLCODE |
| 118 | COMPLEX IMPEDANCES | , J calculator | | JCALC |
| 119 | CONDUIT | , wire capacity | | WIRECOND |
| 120 | CONJUGATE MATCH CALCULATOR | | | CONJUMAT |
| 121 | CONVERSION | , between different units of same value | | EQUIV |
| 122 | CONVERSION | , fraction to decimal | , decimal to fraction | DECIFRAC |
| 123 | CONVERSION | , frequencies/wavelengths | | EQUIV |
| 124 | CONVERSION | , metric to Imperial | , Imperial to metric | METRICS |
| 125 | CONVERSION | , units of distance | | EQUIV |
| 126 | CONVERSION | , units of time | | EQUIV |
| 127 | COPPER WIRE TABLES | | | COPWIRE |
| 128 | COPY HAMCALC FILES | , (to backup disk or hard drive) | | CPYHCAL |
| 129 | COUPLING | , Pi-network | | PIMATCH |
| 130 | COUPLING | , transistor stages | , transmitters | XMTRZMAT |
| 131 | CRYSTAL LADDER FILTERS | | | CRYSFILT |
| 132 | CURRENT CAPACITY | , copper wire | | COPWIRE |
| 133 | CURRENT CAPACITY | , transformers | | WINDING |
| 134 | CURRENT | , dB gain/loss | | DECIBEL |
| 135 | CW | , (Morse code) | | CW |
| 136 | CYLINDER-LOADED DIPOLE | | | CYLLOAD |
| 137 | DAYS BETWEEN DATES | | | CALTODAY |
| 138 | DECIBEL | , insertion loss | | INSERLOS |
| 139 | DECIBEL | , power, voltage and current gain/loss calculator | | DECIBEL |
| 140 | DECIMAL VALUES | , convert to fractions | | DECIFRAC |
| 141 | DEGREES/MINUTES/SECONDS | | | EQUIV |
| 142 | DERIVATIVES OF NUMBERS | | | NUMDERIV |
| 143 | DIELECTRIC MATERIAL | , capacitors | | CAPTANCE |
| 144 | DIELECTRIC MATERIAL | , coaxial cables | | COAXCHAR |
| 145 | DIMENSIONS | , decimal/fractional | | DECIFRAC |
| 146 | DISCHARGER | , Ni-Cad batteries | | NICAD |
| 147 | DISCONE ANTENNA | | | DISCONE |
| 148 | DISH | , parabollic reflector | | DISHANT |
| 149 | DISTANCE | , as a function of speed and time | | SPEEDTD |
| 150 | DISTANCE | , between locations | | PATHFIND |
| 151 | DRILL SIZES | | | NMBRSIZE |
| 152 | DRYER VENT HOSE INDUCTORS | | | INDUHOSE |
| 153 | ELECTRICAL LENGTH | , transmission line | | ELECLENG |
| 154 | ELECTRONIC KEYBOARD | | | ZOUNDS |
| 155 | ELEMENT SPACING | , Yagi antennas | , NBS standard | YAGISPAC |
| 156 | EQUATIONS | , frequently used formulas | | FORMULAE |
| 157 | EQUIVALENT UNITS | , of same value | | EQUIV |
| 158 | FAT DIPOLE | , broadbanded | | FATDIPOL |
| 159 | FIELD STRENGTH | , antennas | | ANTFIELD |
| 160 | FILTER COILS | , shielded | | HELRESON |
| 161 | FILTERS | , active low-pass | , Sallen & Key | LOPASS |
| 162 | FILTERS | , audio | , Butterworth/Chebyshev/elliptic | AUDPASS |
| 163 | FILTERS | , bandpass | , Op Amp | AUDFILT |
| 164 | FILTERS | , Butterworth | , HF low-pass, high-pass & band-pass | BUTTFILT |
| 165 | FILTERS | , crystal ladder | | CRYSFILT |
| 166 | FILTERS | , helical resonator | | HELRESON |
| 167 | FILTERS | , passive | , band-reject | BANDSTOP |
| 168 | FILTERS | , RC active | | RCFILT |
| 169 | FILTERS | , stripline bandpass | , for VHF/UHF | FILSTRIP |
| 170 | FILTERS | , wave trap | | WAVETRAP |
| 171 | FOLDED DIPOLE | , 300Ω twin-lead | | FOLDIPOL |
| 172 | FOLDED DIPOLE | , impedance step-up ratios | | ZOSTEPUP |
| 173 | FORMULA LIBRARY | , frequently used equations | | FORMULAE |
| 174 | FRACTIONS | , convert to decimal values | | DECIFRAC |
| 175 | FREQUENCIES | , amateur bands | | HAMBANDS |
| 176 | FREQUENCIES | , audio | | ZOUNDS |
| 177 | FREQUENCIES | , harmonic | | HARMONIC |
| 178 | FREQUENCY | , centre | | CENTFREQ |
| 179 | FREQUENCY | , convert to wavelength | | EQUIV |
| 180 | FREQUENCY | , in A.C. circuits | | ACCALC |
| 181 | FRETS | , stringed instruments | | ZOUNDS |
| 182 | FUNCTIONS OF NUMBERS | | | NUMDERIV |
| 183 | G5RV MULTIBAND DIPOLE ANTENNA | | | G5RV |
| 184 | GAIN | , Op Amps | | OPAMP |
| 185 | GAMMA MATCH | | | GAMMATCH |
| 186 | GAUGES OF SHEET METAL | | | NMBRSIZE |
| 187 | GREAT CIRCLE CALCULATOR | | | PATHFIND |
| 188 | GRID SQUARE LOCATOR | , Maidenhead squares | | GRIDSQ |
| 189 | GUITAR FRETS | | | ZOUNDS |
| 190 | GUITAR TUNER | | | ZOUNDS |
| 191 | GUY WIRES | , for antenna towers and masts | | GUYWIRES |
| 192 | HAIRPIN MATCH | , beta-match | , Yagi Antenna | HAIRPIN |
| 193 | HAM BAND EDGE & CENTRE FREQUENCIES | | | HAMBANDS |
| 194 | HAM SHACK STAIRS | | | HAMSTAIR |
| 195 | HARD DRIVE | , copy HAMCALC to | | CPYHCAL |
| 196 | HARMONIC FREQUENCIES | | | HARMONIC |
| 197 | HARMONICS | , affecting television channels | | TVCHAN |
| 198 | HELICAL RESONATORS | , shielded | , networks & filters | HELRESON |
| 199 | HELICAL WINDINGS | | | HELIX |
| 200 | HELICALLY WOUND VERTICAL ANTENNA | | | HELVERT |
| 201 | HORIZON | , radio | | RADIOLOS |
| 202 | IMPEDANCE MATCHING NETWORKS | | | IMPEDNET |
| 203 | IMPEDANCE MATCHING | , conjugate | | CONJUMAT |
| 204 | IMPEDANCE MATCHING | , L-pad | | L-PAD |
| 205 | IMPEDANCE MATCHING | , PI-Network | | PIMATCH |
| 206 | IMPEDANCE MATCHING | , transformers | | XFMR |
| 207 | IMPEDANCE MATCHING | , transistor stages | | MATCHNET |
| 208 | IMPEDANCE MATCHING | , transmitter stages | | XMTRZMAT |
| 209 | IMPEDANCE STEP-UP RATIOS | , folded dipoles | | ZOSTEPUP |
| 210 | IMPEDANCE | , coaxial cable | | COAXCHAR |
| 211 | IMPEDANCE | , in A.C. circuits | | ACCALC |
| 212 | IMPEDANCE | , open-wire transmission line | | OPENWIRE |
| 213 | IMPEDANCE | , parallel-resonant circuit | | IMPARES |
| 214 | IMPEDANCE | , R/C, R/L, L/C, R/L/C circuits | | DSGNMENU |
| 215 | IMPEDANCE | , reactance/resistance circuits | | IMPEDCCT |
| 216 | INCHES-PER-VOLT | , transformer windings | | WINDING |
| 217 | INDUCTANCE CALCULATOR | | | INDUCALC |
| 218 | INDUCTANCE | , coils | , multi layer | INDUCALC |
| 219 | INDUCTANCE | , coils | , single layer | INDUCALC |
| 220 | INDUCTANCE | , flat copper strip | | INDUCALC |
| 221 | INDUCTANCE | , in A.C. circuits | | ACCALC |
| 222 | INDUCTANCE | , loop antenna | | LOOPANT |
| 223 | INDUCTANCE | , of a coil | | TUNECCT |
| 224 | INDUCTANCE | , straight copper wire | | INDUCALC |
| 225 | INDUCTANCE | , tapped coils | | COILTAP |
| 226 | INDUCTANCE | , transmission line section | | INDUCALC |
| 227 | INDUCTORS | , commercial | , (Barker & Williamson) | AIRCORE |
| 228 | INDUCTORS | , dryer vent hose | | INDUHOSE |
| 229 | INDUCTORS | , helical winding | | HELIX |
| 230 | INDUCTORS | , in series and parallel | | SERIPARA |
| 231 | INDUCTORS | , inductively loaded antennas | | SHORTANT |
| 232 | INDUCTORS | , L/C tuned circuits | | TUNECCT |
| 233 | INDUCTORS | , large value | | INDUHOSE |
| 234 | INDUCTORS | , made from dryer vent hose | | INDUHOSE |
| 235 | INDUCTORS | , single layer air-core | , design of | TUNECCT |
| 236 | INDUCTORS | , toroid core | | TOROID |
| 237 | INSERTION LOSS | , tuned circuits | | INSERLOSS |
| 238 | INSTALL HAMCALC ON A HARD DRIVE | | | CPYHCAL |
| 239 | INTERFERENCE | , television channels | | TVCHAN |
| 240 | INVERTED VEE ANTENNA | | | INVEE |
| 241 | J CALCULATOR | , complex impedances | | JCALC |
| 242 | K FACTOR | , antenna | , ARRL standards | ANTENNA |
| 243 | K-FACTOR | , antenna | , (NEC-2 model) | KFACTOR |
| 244 | KEYBOARD | , electronic | | ZOUNDS |
| 245 | L-PAD DESIGN | | | L-PAD |
| 246 | L/C NETWORK | , tuned circuit | | TUNECCT |
| 247 | LADDER LINE | , (open-wire transmission line) | | OPENWIRE |
| 248 | LADDER MATCHING NETWORKS | | | TRANSMAT |
| 249 | LATITUDE & LONGITUDE DATA BASE | | | LATLONG |
| 250 | LED | , voltage dropping resistor | | LED |
| 251 | LIGHT | , speed of | | ANTENNA |
| 252 | LINE LOSS | , transmission lines | | LINELOSS |
| 253 | LINE-OF-SIGHT RADIO WAVES | | | RADIOLOS |
| 254 | LM317 VOLTAGE REGULATOR | | | LM317 |
| 255 | LOCAL REPEATERS | | | LOCALRPT |
| 256 | LOG-YAG YAGI ANTENNA | | | LOGYAG |
| 257 | LOGARITHMS | | | NUMDERIV |
| 258 | LOOP ANTENNA | , inductance calculator | | LOOPANT |
| 259 | LOOP ANTENNA | , miniature | | MINILOOP |
| 260 | LOOP SKYWIRE ANTENNA | | | LOOPSKY |
| 261 | LOSSES | , in coaxial cable | | COAXCHAR |
| 262 | LOSSES | , insertion | | INSERLOS |
| 263 | LOSSES | , transmission line | | LINELOSS |
| 264 | LOW PASS AUDIO FILTER | , Sallen & Key | | LOPASS |
| 265 | LUMPED CONSTANT | , dipole antennas | | SHORTANT |
| 266 | LUMPED CONSTANT | , vertical mobile whip | | MOWHIP |
| 267 | MACHINE SCREWS | | | NMBRSIZE |
| 268 | MAIDENHEAD GRID SQUARES | | | GRIDSQ |
| 269 | MARITIME WHIP ANTENNAS | | | MOWHIP |
| 270 | MAST HEIGHT | , inverted vee antenna | | INVEE |
| 271 | MASTS | , guy wires | | GUYWIRES |
| 272 | MATCH | , conjugate | | CONJUMAT |
| 273 | MATCH | , gamma | | GAMMATCH |
| 274 | MATCH | , stub | , for antennas | STUBANT |
| 275 | MATCH | , T match for dipoles | | TMATCH |
| 276 | MATCHING NETWORKS | , antenna | | ANTMATCH |
| 277 | MATCHING NETWORKS | , impedance | | IMPEDNET |
| 278 | MATCHING NETWORKS | , Pi-section | | PIMATCH |
| 279 | MATCHING NETWORKS | , transistors | | MATCHNET |
| 280 | MATCHING NETWORKS | , transmitter | | XMTRZMAT |
| 281 | MATCHING STUBS | , antenna | | STUBANT |
| 282 | MATCHING STUBS | , coaxial line | | COAXSTUB |
| 283 | MATCHING STUBS | , open-wire line | | TRANSTUB |
| 284 | MATCHING TRANSFORMER | , narrow band | | XFMRNARO |
| 285 | MATCHING TRANSFORMER | , series-section | | SERISECT |
| 286 | MATCHING | , impedance | , L-pad | L-PAD |
| 287 | MATCHING | , impedance | , Pi-network | PIMATCH |
| 288 | MATCHING | , mobile antennas | | MOBILMAT |
| 289 | MATHEMATICS | , of a circle | | PROPCIRC |
| 290 | MAXIMUM USABLE FREQUENCIES | , (MUF) | | MAXUF |
| 291 | METALS | , resistivity of | | RESISTIV |
| 292 | METEOR SHOWER PREDICTOR | | | METSHOWR |
| 293 | METER SHUNTS & MULTIPLIERS | | | METERS |
| 294 | METRIC CONVERSIONS | | | METRICS |
| 295 | MINILOOP | , miniature loop antenna | | MINILOOP |
| 296 | MINIQUAD | , coil-shortened Quad antenna | | MINIQUAD |
| 297 | MOBILE ANTENNA MATCHING | , L-network | | MOBILMAT |
| 298 | MOBILE WHIP ANTENNA | , design of | | MOWHIP |
| 299 | MOON TRACKER | | | MOONTRAC |
| 300 | MORSE CODE TRAINER | | | CW |
| 301 | MULTI-VIBRATORS | , astable & free-running | | 555TIMER |
| 302 | MULTIBAND SHORT DIPOLES | | | SHORTDIP |
| 303 | MUSIC | , math & sounds | | ZOUNDS |
| 304 | NARROW-BAND TRANSFORMER | | | XFMRNARO |
| 305 | NETWORKS | , impedance matching | , L-pad | L-PAD |
| 306 | NETWORKS | , impedance matching | , Pi-network | PIMATCH |
| 307 | NETWORKS | , transistor matching | | MATCHNET |
| 308 | NI-CAD BATTERY DISCHARGER | | | NICAD |
| 309 | NORTH | , determined by noon sun | | TRUNORTH |
| 310 | NUMBERED DRILLS / SCREWS / GAUGES | | | NMBRSIZE |
| 311 | NUMBERS & FUNCTIONS | | | NUMDERIV |
| 312 | NYLON SCREWS | , as coil forms | | TINYCOIL |
| 313 | OHM'S LAW | | | OHMSLAW |
| 314 | OHM'S LAW | , R/C circuits | | RESCAP |
| 315 | OP AMP AUDIO FILTER | , (#741 Op Amp) | | AUDFILT |
| 316 | OPEN-WIRE TRANSMISSION LINE | | | OPENWIRE |
| 317 | OPERATIONAL ( OP AMP ) AMPLIFIERS | | | OPAMP |
| 318 | ORBIT CALCULATOR | , satellie | | SATORBIT |
| 319 | PARABOLIC ANTENNA | , circular waveguide feeds | | CIRCFEED |
| 320 | PARABOLIC DISH REFLECTOR | | | DISHANT |
| 321 | PARALLEL-RESONANT CIRCUIT | , impedance | | IMPARES |
| 322 | PHASE ANGLE | , in A.C. circuits | | ACCALC |
| 323 | PHASE ANGLE | , R/C, R/L, L/C, R/L/C circuits | | DSGNMENU |
| 324 | PI-NETWORK | , impedance matching | | PIMATCH |
| 325 | PI-PAD ATTENUATORS | | | ATTENPAD |
| 326 | PIPE SIZES | , ANSI Standard | | PIPESIZE |
| 327 | POTENTIOMETER | , custom value | | POTENT |
| 328 | POWER AMPLIFIER | , tank circuit | | TANKCCT |
| 329 | POWER FACTOR | , in A.C. circuits | | ACCALC |
| 330 | POWER SUPPLY DESIGN | | | PWRCCT |
| 331 | POWER VS. S-METER READINGS | | | SMETER |
| 332 | POWER | , dB gain/loss | | DECIBEL |
| 333 | POWER | , watts | , (Ohm's Law) | OHMSLAW |
| 334 | PRIME NUMBERS | | | PRIMENOS |
| 335 | PRUNING | , antenna | | ANTENNA |
| 336 | PUNCTURE VOLTAGE | , dielectric materials | | CAPTANCE |
| 337 | Q | , L/C networks | | TUNECCT |
| 338 | Q | , resonant circuits | | QRESON |
| 339 | QUAD ANTENNA DIMENSIONS | | | QUAD |
| 340 | QUAD ANTENNA FOR RESTRICTED SPACE | | | MINIQUAD |
| 341 | QUADRATIC EQUATIONS | | | QUADRAT |
| 342 | R/C TIME CONSTANT | | | RCCONST |
| 343 | RADAR SCREEN | , local repeaters | | LOCALRPT |
| 344 | RADIATION ANGLE | , Antennas | | RADANGLE |
| 345 | RADIO HORIZON | | | RADIOLOS |
| 346 | RATIOS | , transformer windings | | XFMR |
| 347 | RC ACTIVE FILTERS | | | RCFILT |
| 348 | REACTANCE | , in A.C. circuits | | ACCALC |
| 349 | REACTIVE IMPEDANCE | | | IMPEDCCT |
| 350 | REFLECTOR | , parabollic | | DISHANT |
| 351 | REFLECTORS | , wire mesh | | WIREMESH |
| 352 | REPEATERS | , directory and locator | | LOCALRPT |
| 353 | RESISTANCE | , copper wire | | COPWIRE |
| 354 | RESISTIVE IMPEDANCE | | | IMPEDCCT |
| 355 | RESISTIVITY OF METALS | | | RESISTIV |
| 356 | RESISTOR/INDUCTOR/CAPACITOR CIRCUITS | | | DSGNMENU |
| 357 | RESISTORS | , colour codes | | COLCODE |
| 358 | RESISTORS | , copper wire wound | , low value | RESICOP |
| 359 | RESISTORS | , custom value | , parallel ganged | CUSTOHM |
| 360 | RESISTORS | , in series and parallel | | SERIPARA |
| 361 | RESISTORS | , precise values | | PRECIRES |
| 362 | RESISTORS | , standard values | | RESISVAL |
| 363 | RESONATOR | , helical | | HELRESON |
| 364 | RF RESISTANCE | , copper wire | | COPWIRE |
| 365 | S-METER READINGS VS. POWER | | | SMETER |
| 366 | SAG | , in horizontally suspended wire | | WIRESAG |
| 367 | SATELLITE ORBIT CALCULATOR | | | SATORBIT |
| 368 | SCALING | , antenna dimensions | | ANTSCALE |
| 369 | SCREEN SAVER | , (moving clock) | | SUNCLOCK |
| 370 | SCREENING | , wire mesh | | WIREMESH |
| 371 | SCREW SIZES | | | NMBRSIZE |
| 372 | SERIES & PARALLEL COMPONENTS | | | SERIPARA |
| 373 | SERIES-SECTION MATCHING TRANSFORMER | | | SERISECT |
| 374 | SHEET METAL GAUGES | | | NMBRSIZE |
| 375 | SHORT DIPOLE | , centre coil-loaded | | CENTLOAD |
| 376 | SHORT DIPOLE | , cylinder end-loaded | | CYLLOAD |
| 377 | SHORT DIPOLE | , off centre coil-loaded | | SHORTANT |
| 378 | SHORT MULTIBAND DIPOLE ARRAY | | | SHORTDIP |
| 379 | SHUNTS | , meter | | METERS |
| 380 | SINGLE WIRE ANTENNA SYSTEM | | | SNGLWIRE |
| 381 | SLOPER ANTENNA | | | SLOPER |
| 382 | SMITH CHART CALCULATIONS | | | SMITHCHT |
| 383 | SPEED OF LIGHT | | | ANTENNA |
| 384 | SPEED | , as a function of time and distance | | SPEEDTD |
| 385 | STAIRWAYS | | | HAMSTAIR |
| 386 | STRETCH | , in horizonatally suspended wire | | WIRESAG |
| 387 | STRIPLINE FILTERS | , for VHF/UHF | | FILSTRIP |
| 388 | STUB MATCH | , for antennas | | STUBANT |
| 389 | STUBS | , coaxial cable transmission lines | | COAXSTUB |
| 390 | STUBS | , open-wire transmission lines | | TRANSTUB |
| 391 | SUNRISE/SUNSET CALCULATOR | | | RISESET |
| 392 | SUPPORT WIRES | , towers & masts | | GUYWIRES |
| 393 | SWR CALCULATOR | | | SWR |
| 394 | SWR | , at feedline ends | | LINELOSS |
| 395 | T MATCH | , dipole to 600 Ω line | | TMATCH |
| 396 | T-PAD ATTENUATORS | | | ATTENPAD |
| 397 | TANK CIRCUIT | , power amplifier | | TANKCCT |
| 398 | TAPERED YAGI ELEMENTS | | | YAGTAPER |
| 399 | TAPPED COILS | , design of | | COILTAP |
| 400 | TAPPED COILS | , feedline matching | , single wire antenna | SNGLWIRE |
| 401 | TELESCOPING COPPER PIPE | | | CAPYTEL |
| 402 | TELESCOPING TUBING SIZES | | | TELETUBE |
| 403 | TEMPERATURE CONVERSION | , fahrenheit / celsius | | EQUIV |
| 404 | TIME DELAY | , R/C constant | | RCCONST |
| 405 | TIME ZONE CALCULATOR | | | TIMEZONE |
| 406 | TIME ZONES | , of various locations | | LATLONG |
| 407 | TIME | , as a function of speed and distance | | SPEEDTD |
| 408 | TIMER | , one-shot or variable delay | , ( #555 IC ) | 555TIMER |
| 409 | TINY COILS | , wound on Nylon screws | | TINYCOIL |
| 410 | TONE GENERATOR | | | ZOUNDS |
| 411 | TOROID ANTENNA TRAPS | | | TOROTRAP |
| 412 | TOROID INDUCTORS | | | TOROID |
| 413 | TOWERS | , guy wires | | GUYWIRES |
| 414 | TRANSFORMER RATIOS | | | XFMR |
| 415 | TRANSFORMER WINDINGS CALCULATOR | | | WINDING |
| 416 | TRANSFORMER | , impedance matching | | XFMR |
| 417 | TRANSFORMER | , narrowband | | XFMRNARO |
| 418 | TRANSFORMER | , series-section | | SERISECT |
| 419 | TRANSISTOR CIRCUIT DESIGN | | | TRANCCT |
| 420 | TRANSISTOR MATCHING NETWORKS | | | MATCHNET |
| 421 | TRANSISTOR STAGE COUPLING | , transmitters | | XMTRZMAT |
| 422 | TRANSMATCH DESIGN | | | TRANSMAT |
| 423 | TRANSMATCH | , single wire antennas | | SNGLWIRE |
| 424 | TRANSMISSION LINE LENGTH | | | ELECLENG |
| 425 | TRANSMISSION LINE LOSSES | | | LINELOSS |
| 426 | TRANSMISSION LINE PERFORMANCE | | | TRANLINE |
| 427 | TRANSMISSION LINE STUBS | , coaxial cable | | COAXSTUB |
| 428 | TRANSMISSION LINE STUBS | , open-wire line | | TRANSTUB |
| 429 | TRANSMISSION LINES | , coaxial cable | | COAXCHAR |
| 430 | TRANSMISSION LINES | , open-wire | | OPENWIRE |
| 431 | TRANSMITTER STAGE COUPLING | , (transistor stages) | | XMTRZMAT |
| 432 | TRAP DIPOLE | , dual band | | TRAPDIP |
| 433 | TRAP DIPOLE | , three band single trap | | TRAPDSGN |
| 434 | TRAPS | , coaxial cable | | COAXTRAP |
| 435 | TRAPS | , toroid | , antenna | TOROTRAP |
| 436 | TRAPS | , wave trap filters | | WAVETRAP |
| 437 | TRIANGLES | , solution of | | SOLUTRI |
| 438 | TRIMMER CAPACITORS | | | CAPTRIM |
| 439 | TRUE NORTH VIA THE SUN | | | TRUNORTH |
| 440 | TUBING | , aluminum | | TELETUBE |
| 441 | TUBING | , antenna elements | | ANTENNA |
| 442 | TUNED CIRCUIT DESIGN | , L/C network | | TUNECCT |
| 443 | TV CHANNELS | , (N.America) | | TVCHAN |
| 444 | UNINSTALL | , removes HAMCALC from a hard drive | | UNINSTAL |
| 445 | UTC | , Coordinated Universal Time | | TIMEZONE |
| 446 | VACUUM TUBE TANK CIRCUIT | | | TANKCCT |
| 447 | VARIABLE CAPACITOR | , telescoping | | CAPYTEL |
| 448 | VELOCITY FACTOR | , coaxial cable | | COAXCHAR |
| 449 | VELOCITY FACTOR | , open-wire lines | | OPENWIRE |
| 450 | VELOCITY OF LIGHT | | | ANTENNA |
| 451 | VERTICAL ANTENNA | , mobile/maritime whip | | MOWHIP |
| 452 | VERTICAL ANTENNA | , short helically wound | | HELVERT |
| 453 | VERTICAL ANTENNA | , short with capacity hat | | CAPYHAT |
| 454 | VFO FREQUENCY CALCULATOR | | | VFOFREQ |
| 455 | VOLT-AMPERE VALUE | , in A.C. circuits | | ACCALC |
| 456 | VOLTAGE DIVIDER | , 2 resistors | | VOLTDIV |
| 457 | VOLTAGE DIVIDER | , R/C, R/L, L/C circuits | | DSGNMENU |
| 458 | VOLTAGE DROP | , in long runs of copper wire | | COPWIRE |
| 459 | VOLTAGE REGULATOR | , LM317 IC | | LM317 |
| 460 | VOLTAGE REGULATOR | , zener diode | | ZENER |
| 461 | VOLTAGE | , A.C.circuits | | ACCALC |
| 462 | VOLTAGE | , dB gain/loss | | DECIBEL |
| 463 | VOLTMETERS | | | METERS |
| 464 | WATTS | , (Ohm's Law) | | OHMSLAW |
| 465 | WAVE TRAP FILTERS | | | WAVETRAP |
| 466 | WAVEGUIDES | , parabolic dish circular feeds | | CIRCFEED |
| 467 | WAVELENGTH | , audio frequencies | | ZOUNDS |
| 468 | WAVELENGTH | , centre | | CENTFREQ |
| 469 | WAVELENGTH | , convert to frequency | | EQUIV |
| 470 | WEIGHT | , copper wire | | COPWIRE |
| 471 | WHIP ANTENNA | , mobile/maritime | | MOWHIP |
| 472 | WINDINGS CALCULATOR | , single layer coils | | HELIX |
| 473 | WINDINGS CALCULATOR | , transformers | | WINDING |
| 474 | WINDINGS RATIO | , transformers | | XFMR |
| 475 | WINDINGS | , L/C network coils | | TUNECCT |
| 476 | WIRE INCHES-PER-VOLT | , transformers | | WINDING |
| 477 | WIRE MESH SCREENS | | | WIREMESH |
| 478 | WIRE SIZE CALCULATOR | | | COPWIRE |
| 479 | WIRE SPACING | , open-wire transmission line | | OPENWIRE |
| 480 | WIRE TABLES | | | COPWIRE |
| 481 | WIRE WOUND RESISTORS | | | RESICOP |
| 482 | WIRE | , Copperweld | | WIRESAG |
| 483 | WIRE | , hard drawn copper | | WIRESAG |
| 484 | WIRE | , stretching and sagging | | WIRESAG |
| 485 | WIRES IN CONDUIT | | | WIRECOND |
| 486 | YAGI 3-ELEMENT BEAM | | | YAGI3EL |
| 487 | YAGI ANTENNA | , Log-Periodic array | | LOGYAG |
| 488 | YAGI ELEMENT SPACING | , NBS standard | | YAGISPAC |
| 489 | YAGI TAPERED ELEMENTS | , (telescoped aluminum tubing) | | YAGTAPER |
| 490 | YAGI | , extremely long | | YAGILONG |
| 491 | YAGI | , hairpin beta-match | | HAIRPIN |
| 492 | ZENER DIODES | | | ZENER |
| 493 | ZEPP | , double extended | | ZEPPDBL
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