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QST 2005年2月大作:Toy Drive Brings Smiles to Kids at Christmas [复制链接]

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technical

28

a rose garden array   jack falker, w8kr
is it a radial or a guy wire? this 4-square phased vertical array sports 32 sloping radials, some of which double as guys.

33

the w6qif oscillator   jim pepper, w6qif
just how does temperature affect oscillator frequency stability?

36

a panel-reflector antenna for 70 cm   anthony monteiro, aa2tx
small size need not limit effectiveness, as this 440 mhz antenna demonstrates.

40

homebrew your iambic keyer   n. g. praveena, vu2pgb
take two plastic rulers, add a child's pencil box and some electronics, and you have yourself a useful station accessory!

44

locating power line noise using tv waveforms   marv loftness, kb7kk
if your tv picture is noisy, it could be a power-line problem.

74

product review   joel r. hallas, w1zr
yaesu ft-60r handheld transceiver; international radio roofing filters for yaesu ft-1000mp series transceivers; west mountain pwrgate and computerized battery analyzer

news and features

9

"it seems to us. . ." licensing courses: how long?

12

arrl in action   steve ford, wb8imy
public service means busy weekends in wisconsin section; microwave enthusiasts provide boost to frequency defense fund; arrl honors massachusetts teacher for toy drive efforts; more

47

operating from ocean going research vessels   denis franklin, w6ew
w6ew embarked on a sea voyage and put his scientific background and his ham radio ticket to good work.

51

toy drive brings smiles to kids at christmas   allen g. pitts, w1agp
hams across the nation--and in several dx locations--responded generously to the arrl-coordinated toy drive for florida kids affected by last summer's hurricanes.

54

a lighter-than-air flight of firsts   aidan murphy, ei5hw
it's not every day that a ham can activate a balloon-to-malta link while drifting noiselessly above the irish countryside.

57

father and son bicycle mobile in brooklyn   john tillander, kc2man
many--but not all--bikes lack solar cells, vhf handhelds and anemometers.

60

announcing the 14th annual mcgan award
nominations are open for the philip j. mcgan memorial silver antenna award, bestowed annually for outstanding public relations as a volunteer.

81

happenings   rick lindquist, n1rl
fcc requires arizona bpl field trial to work with amateur club; experimental licensees moving lf agenda forward; fcc news; media hits; more.

qst workbench

61

the doctor is in
feeding a horizontal loop; finding an effective rf ground; more.

63

the tide's changing--vhf meteor scatter   randy tipton, wa5ufh and wsjt
old: cq scatter. new: random hour.

65

short takes   mike gruber, w1mg
heil classic and heritage microphones

66

the morsemeter   steve johnston, wd8das, with tim hynde, ka8ddz
those without sight, or whose sight isn't what it used to be, will appreciate hearing the output of this multimeter.

69

hands-on radio   h. ward silver, n0ax
experiment #25: totem pole outputs

71

the serial port--breakfast of champions   steve ford, wb8imy
whether it's a 9 pin or a 25, your computer's serial port helps keep things humming. ever wonder how it works?

72

hints & kinks   bob schetgen, ku7g
audio through car stereos; mike adhesion; high rf ground; more.
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