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)
QRP Z-Match Manual Antenna Tuner 3-28 MHz for HAM Radio
$43.99 (as of May 15, 2024 09:59 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.)Compatible with a wide range of coaxial fed, long wire and balanced line antennas, such as high impedance, low loss UHF twin-lead or 40m-10m ladder line. Rated at 5 watts continuous, 10 watts intermittent and supplied with BNC connectors for input/ou... read more
MFJ Enterprises Original MFJ-949E 1.8-30 MHz 300 Watt Deluxe Versa Tuner II Antenna Tuner
$259.99 (as of May 15, 2024 10:34 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.)Full 1.8-30MHz Operation Custom designed inductor switch, 1000 volt tuning capacitors, Teflon insulation washers and proper L/C ratio gives you arc-free no worries operation with up to 300 Watts 1.8 to 30 MHz Tunes any Antenna Tunes out SWR on dipole... read more
Malahit ATU-100 Antenna Tuner 1.8-50MHz atu100 by N7DDC 7x7 0.96 Inch OLED 3.2 Firmware Programmed with Housing Assembled Machine with USB Cable(No Battery)
$92.00 (as of May 15, 2024 08:42 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.)【ATU-100 Version】 Latest program:3.2 version has been burned. Compared with version 3.1, some bugs have been fixed. 【Product Features】Automatic Antenna Tuner machine with Shell(No battery),No need to assemble,can use it directly,Automatically tuned d... read more
GOOZEEZOO ATU-100 EXT V3.2 Antenna Tuner for Ham Radio 1.8-55MHz Automatic Antenna Tuner by N7DDC 100W Open Source Shortwave Antenna Tuner with 5000mAh Battery
26% OffATU-100 Automatic Antenna Tuner: The equipment is intended to be used as an accessory of amateur radio equipment, as part of amplifier or transceiver, or as a separate equipment, to realize the function of matching the output impedance of power ampli... read more
MFJ-941E MFJ941E MFJ Enterprises Original HF Antenna Tuner with Mini Cross Meter, 300 Watts
$229.99 (as of May 15, 2024 03:30 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 MFJ-941E gives you a 300 Watt antenna tuner that covers everything from 1.8 - 30 MHz -- plus you get a lighted Cross-Needle meter with on/off switch, antenna switch and a 4:1 balun! (The light uses 12 VDC or 110 VAC with MFJ-1312D * Not included)... read more
Attwood PowerGuard Battery Boxes Designed for Marine, RV, Camping, Solar and More
$11.99 (as of May 15, 2024 10:56 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.)Extremely tough; drop-tested in temperatures from -20F to plus 120F degrees and completely resistant to acid Meets ABYC and U.S. Coast Guard standards as an original equipment manufacturer (OEM) battery hold-down system 40” long durable straps withst... read more
HTRC Car Battery Charger, 10-Amp 12V and 24V Fully-Automatic Trickle Charger Desulfator, Smart LCD Battery Maintainer w/Temperature Compensation for Car,Motorcycle,Lawn,Lithium,LiFePO4,Lead Acid
$22.05 (as of May 14, 2024 14:33 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.)🚗[Fully-Automatic battery charger ]automotive Battery Charger 10-Amp 12V and 24V Fully-Automatic Smart, It's smaller but delivers more power, battery maintainer, trickle charger, plus battery desulfator,with Temperature Compensation,Charge or repair ... read more
Uniden Bearcat BC125AT Handheld Scanner, 500-Alpha-Tagged Channels, Close Call Technology, PC Programable, Aviation, Marine, Railroad, NASCAR, Racing, and Non-Digital Police/Fire/Public Safety.
21% OffLISTEN IN AND STAY INFORMED, this sophisticated scanner has 500 alpha-tagged channels in a convenient compact design with loads of features. Close Call RF capture technology instantly tunes to signals from nearby transmitters and the Do Not Disturb M... read more
BAOFENG UV-5R Handheld Ham Radios Long Range— 8W Dual Band Rechargeable Walkie Talkie Portable Two-Way Radios,UV5R Radio with Four 1800mAh Li-ion Batteries (2 Pack)
$69.99 (as of May 15, 2024 09:07 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.)【BAOFENG Radio】FCC ID: 2AJGM-UV5R. The walkie talkie long range has 128 channels, 50 CTCSS tones, 104 DCS, and a frequency range of VHF: 136-174 MHz (Rx/Tx). UHF: 400-520 MHz (Rx/Tx). Dual standby/dual band/dual frequency display, independent keyboar... read more
AWELTEC Jumper Cables for car, UL-Listed 8 Gauge 12 Feet Heavy Duty Booster Cables with Carry Bag (8AWG x 12Ft)
28% OffAWELTEC UL-Listed Jumper Cables - 8 Gauge 12 Feet Automotive battery jumper cables for jump starting a dead or weak battery. High density copper clad aluminium make it has excellent conductivity. Perfect for most motorcycles, cars, SUVs. Travel Bag -... read more
Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports Battery Charger for Motorcycle, ATVs, and More - 021-0123
11% OffSTAY CHARGED: Battery Tender battery chargers and maintainers provide a full charge to your powersport vehicle’s battery before switching to float mode to maintain proper voltage levels for safe, long-term storage EXTEND BATTERY LIFE: Compatible with... read more
C. Crane CC Skywave 2 AM, FM, Shortwave, NOAA Weather + Alert, VHF Aviation Band, Small Battery-Operated Portable Travel Radio with Clock and Alarm
$89.99 (as of May 15, 2024 11:31 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.)Discover local culture when traveling to a new city or country. The reception, audio and durable build are what this radio excels at. Full Range AM, FM, NOAA Weather band plus Alert, Shortwave (2300 - 26100 kHz), VHF Aviation (Airband) and high-quali... read more
Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger
$19.99 (as of May 15, 2024 10:56 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.)Automatic Battery Charger & Maintainer: 1A 12V smart battery charger perfect for SLA / VRLA / GEL CELL / AGM / WET lead acid batteries. It is a battery maintainer, trickle charger, float charger, and battery desulfator, also complete 4-step charging ... read more