Jeri shows how to make ZnS:CU glow powder at home with household chemicals. Reaction 1: Flowers of sulfur(sublimated sulfur) + Zn + Cu(penny from 1982 or newer)
Reaction 2: Thiourea(Tarn-x) + Zinc Acetate(pennies dissolved in vinegar)
Exogio Balun for HF Shortwave Antenna, Four Band 5-35MHZ End Fed HF Antennas 100W HAM, 1:49-49:1 HF Antennas for Ham Radio
$27.99 (as of March 20, 2023 12:15 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Suitable for HAM with certain hands-on ability. This is a 49:1 balun for -feeding antenna. Condition: brand new and Product Name: End-feed antenna 49:1 balun Frequency: 5-35MHZ
fosa Portable Balance Unbalance Ununtenna Interface Board,10W BALUN 9: 1 UNUN with BNC Interface for Antenna / Balanced Connectors, Compatible with 2 Wire Rods / Interface Card
$31.93 (as of March 20, 2023 12:10 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)This 40m-10m UNUNTENNA is portable&compact and it is suitable for backyard&portable SOTA. Integrated 9:1 voltage BALUN to match your unbalanced 50 ohm impedance input to a 450 ohm impedance unbalanced long line. Best efficiency at 20M distance, S per... read more
Instant HEPA Quiet Air Purifier, From the Makers of Instant Pot with Plasma Ion Technology for Rooms up to 630ft2; removes 99% of Dust, Smoke, Odors, Pollen & Pet Hair, for Bedrooms & Offices, Pearl
7% OffADVANCED AIR CLEANING TECH: Combines a HEPA-13 filter that captures 99.97% of dust, pollen, smoke, mold, & other ultrafine impurities, combined with Plasma Ion Technology that projects positive and negative ions in the air allowing you to breathe eas... read more
Portable No Tune End Fed Half Wave Antenna Assembly
$19.99 (as of March 20, 2023 12:10 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)The single-band 80m-10m end-feed half-wave linear antenna provides the antenna. It is designed as a highly portable wired antenna that can be easily set as an inverted V-shaped, horizontal, tilted, or vertical radiator (at higher frequencies). Your f... read more
SEESII Nanovna-H Vector Network Analyzer,Upgraded HW3.6 10KHz-1.5GHz MF HF VHF UHF Antenna Analyzer, Measuring S Parameters, Voltage Standing Wave Ratio,Phase,Delay,Smith Chart,Support Data Storage
$54.99 (as of March 20, 2023 12:15 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)New Upgraded Version: Compared with old version NanoVNA, it save more costs with the addition of ABS casing and the new packaging. Hot stamping technology and plastic inner protection reduce the problems caused by transportation shocks and other proc... read more
Midland - X-TALKER T51VP3, 22 Channel FRS Two-Way Radio - Extended Range Walkie Talkies, 38 Privacy Codes, NOAA Weather Alert (Pair Pack) (Black/Orange)
$49.99 (as of March 20, 2023 11:53 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)2-WAY RADIOS - These license-free walkie-talkies feature the standard 22 FRS (Family Radio Service) channels, along with channel scan to check for activity. 28-MILE RANGE - Longer range communication in open areas with little or no obstruction. 38 CT... read more
Emergency Crank Weather Radio, 4000mAh Solar Hand Crank Portable AM/FM/NOAA Weather Radio with 1W 3 Mode Flashlight & Motion Sensor Reading Lamp, Cell Phone Charger, SOS for Home and Emergency
25% Off★【 Newest Design MD-090P】Based on MD-090 emergency flashlight radio and customer's feedback, we've optimized and upgraded a lot of features. A biggest 4000mAh rechargeable battery can charge more than one smartphone, the most powerful lighting functi... read more
AM FM Portable Radio, Battery Operated Radio with Best Reception for Indoor, Outdoor & Emergency Use, Pocket Radio with Headphone, Builit-in Speaker,Long Lasting
$10.99 (as of March 19, 2023 13:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)AM/FM Portable Radio with Best Reception - FM 76-108MHZ;AM 520-1710KHZ.Listen your favoite music,news,talk shows any time. Compact Portable Pocket AM FM Radio - Small & Lightweight design,pocket radio slips easily into your pocket,L5.27 x H1.45 x W2.... read more
GOODYEAR [4 GAUGE – HIGHER THICKNESS] Heavy Duty Jumper Cables with [HARD CARRY CASE], 16 FEET LONG, Emergency Booster Cable for Car Battery, Compatible with [ALL VEHICLES], works in EVERY WEATHER
$24.99 (as of March 19, 2023 19:36 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)HEAVY-DUTY DESIGN - These booster cables from Goodyear are made with material that can take constant wear and tear. You can use them time and time again without worrying that they’ll let you down, and you can bend and twist these wires at all sorts o... read more
Walkie Talkies for Adults Long Range-Wishouse Rechargeable 2 Way Radios,Hiking Accessories Camping Gear Toys for Kids with Lamp,SOS Siren,NOAA Weather Alert,VOX,Easy to Use(Red Blue Orange 3 Pack)
15% OffUNLIMITED COMMUNICATION TIME — The rechargeable walkie talkie supports micro USB charging. You can charge them indoors, on the road, and even camping and hiking, and you do not need to pay for batteries, again and again, saving stress and money for y... read more
Emergency Radio Hand Crank Solar, Wind Up Solar Radio Flashlight Cell Phone Charger 2000mAh Battery Portable AM/FM/NOAA Weather Radio SOS Alarm for Camping Hurricane Earthquake Home &Outdoor Emergency
5% Off❤【2000 mAh Rechargeable Battery keep devices powered】WARLOVPO wind up solar radio incorporates a 2000 mAh built-in large battery capable of providing emergency power to any small tablet or cell phone. The emergency radio is a valuable and necessary e... read more
Greadio Portable Shortwave Radio,AM FM Transistor Radio with Best Reception,LCD Display,Time Setting,Battery Operated by 4 D Cell Batteries or AC Power,Big Speaker,Earphone Jack for Gift,Elder,Home
43% Off【New Upgraded: LCD Display with Best Reception】Equipped with a big LCD screen, you can easily and clearly to see each AM/FM/Shortwave stations when tuning the knob on this portable radio. The long antenna and advanced DSP chip ensure a ultra strong s... read more
QYT KT-8900 20W Dual Band Mini Car Radio Mobile Transceiver, Dual Standby VHF/UHF Mobile Radio GMRS Repeater NOAA Weather Long Range Two-Way Radios + Free Programming Cable and CD…
$79.99 (as of March 20, 2023 01:00 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Frequency Range: Frequency: VHF UHF 2m 70cm; Output Power: 20Watt, Narrow/Wide Band Selectable. ( FCC ID: 2AV62KT-8900 ) Mini Size: Smaller size but stronger power. Size: 3.86(W)×1.38(H)×4.65(D) inch, Lightweight: about 0.9lb(main radio).Operating Vo... read more