Category:Sparkers with period 28

Beacon • Blinker • Blocker • Figure eight • Pentadecathlon • Pulsar • Queen bee shuttle • Toad • Tanner's p46 • Twin bees shuttle

Babbling brooks · Billiard table configuration · Muttering moats · Oscillator families · Phoenix · Rumbling rivers · Shuttles • Sparkers

Notable sparkers commonly used:
p2: Clock
p3: Caterer • 30P3
p4: Mold • Middleweight emulator • Heavyweight emulator • T-nosed p4
p5: Fumarole • Toaster • Middleweight volcano • Heavyweight volcano
p6: Unix • 64P6 • p6 pipsquirter • p6 thumb
p7: 38P7.2 • p7 pipsquirter • Meatball • 62P7
p8: Figure eight • Blocker • Kok's galaxy • 180P8
p9: Thumb 1 • 68P9 • 50P9 • 104P9 • Snacker
p10: 55P10 • p10 domino fountain
p11: Rattlesnake
p12: Crown • 44P12.3
p14: 34P14 shuttle
p15: Pentadecathlon • Karel's p15
p16: Rich's p16 • Rob's p16 • Charity's p16 • 68P16
p30: Eureka • Queen bee shuttle
p46: Twin bees shuttle • Tanner's p46

Dot sparkers • Domino sparkers • Reflecting duoplet sparkers • Non-reflecting duoplet sparkers • V sparkers • "Strong" sparkers • "Moderate" sparkers • "Weak" sparkers