Qrp hf radios for sale - com is an archive of Rod/AC6V's webpages, and is no longer being updated.

 
com IC-705 160-70cm Transceiver: eBay , QTH. . Qrp hf radios for sale

00 Now: $435. Our email address is: qrpkits. Enter the Penntek TR-35 The new Penntek TR-35 is a four-band CW-only QRP transceiver that is available both as a kit ($279) and as a factory assembled and tested unit ($379). 00 Add to cart. Commradio ctx qrp Ham radio transceiver commradio; A model -> ctx10; A band type : hf 8010 meters; For instance: transceiver, hf ¬ Anacortes eBay 3 bids, Price: 520 $ Product condition: Used See details Junshuntong vfo for Band presets shortcuts. Our new mini HF Mono Band QRP transceiver to any one amateur band from 1 to 30 MHz. MFJ-9020 QRP radio is a great rig and destined to become a classic. 7 FM. Available for 160, 80, 60, 40, 30, 20 or 17m bands. ICOM 7300 02 Shortwave Radio. Sometimes there’s a split definition of 10w SSB, 5w CW. X6100 Finally CE Certified December 16, 2021. Xiegu GNR1 Digital Audio Noise Filter Package Content 1x G1M HF Transceiver 1x. Free shipping on many items | Browse your favorite brands | affordable prices. If you have general questions about anything other than orders or parts, please email us us. Shop best 10W Portable uSDX 8 Band SDR All Mode Transceiver USB, LSB, CW, AM, FM HF SSB QRP Transceiver QCX-SSB with Battery at the guaranteed lowest price. He has twice been a radio operator in Shaktoolik, Alaska for the Iditarod Dog Sled Race and was the Race Communications Director in 1987. 5 and 12. Kenwood Icom IC-705 All Mode QRP All Mode HF VHF UHF in Stock $1,349. Xiegu G90 HF Transceiver. Get it Monday, Nov 28 - Saturday, Dec 3. Our email address is: qrpkits. Tweet Current Stock Status At These Ham Radio Outlet Locations Anaheim, CA Atlanta, GA Denver, CO Milwaukee, WI New Castle, DE Phoenix, AZ. · Buy 2020 New HF Power Amplifier MiNiPA50 For YASEU FT-817 ICOM IC-703 Elecraft KX3 QRP for 169. Here is the video on the new Xiegu X5105 QRP HF/6m portable radio. ! RF amplifier gain > 10 dB to overcome mixer noise figure and. AU $40. Enter the Penntek TR-35 The new Penntek TR-35 is a four-band CW-only QRP transceiver that is available both as a kit ($279) and as a factory assembled and tested unit ($379). 1 offer from £175. Xiegu X5105 HF Transceiver 3. 00 $15. • Four band 80, 40,. 2 polegadas tft portapack h2 hackrf um rtl sdr software definido rádio desenvolver ment placa com escudo da antena da bateria,Tzt cfexpress para ssd para esxs cfexpress para m. Ham Radio Gear for Sale; Ham Radio Gear Wanted; Ham Made Gear; General Merchandise; Ham to Ham References; Swapmeet Talk; Resources Site Menu. QRP Radio Wireless Power Amplifier 1 Pcs 10W Telegraph CW QRP 13. Jun 06, 2019 · Buy Xiegu X5105 QRP HF Transceiver Amateur Ham Radio VOX SSB CW AM FM RTTY PSK 0. $ 188. CE-19 Expansion Port for easy PC connection 3. Motorola Moto G Stylus 5G Glass Screen Replacement Premium Repair Kit XT2131. The radio supports three transmission modes SSB/CW/AM as well as FM (88-108MHz) receive only, which allows you to listen to local FM broadcasts while operating. Discover ham radio qrp transceiver on US $0. 3 HF Mono band mini QRP transceiver ( SSB / CW / JT65 / PSK / BPSK / FSQ ) Our new mini HF Mono Band QRP transceiver to any one amateur band from 1 to 30 MHz. In-Stock Free Shipping! LAB599 TX-500 Ultra Compact All-Mode 10W HF/50MHz SDR QRP Transceiver HRO Discount Price: $1,299. IQ32 (review) 80M-10M transceiver: eBay, QTH. JUNSHUNTONG HF VFO for Ham SDR QRP Transceiver,20K-220MHz RF Generator Superheterodyne Receiver Debugger,Tcxo Clock,S-Meter, 20 Band presets. For HAM radio hobbyists, amateur HAM, technician. The phone screen is one of the sectors that consumes more battery. 00 Selling For: $400. JJJelectronics QRP CW 40/80M. com is an archive of Rod/AC6V's webpages, and is no longer being updated. Xiegu G90 HF Radio | SDR | QRP | Auto Antenna Tuner | 20W | Remote Head undefined SKU: 28-715-004 $445. Qrp pocket transmatch. com FREE DELIVERY possible on eligible purchases. USDX+ HF Transceiver HF Ham Radio QRP CW. Thanks for your understanding. Online Used Equipment Store. Xiegu XPA125B Power Amplifier 2. 5-30MHz 50-54MHz 5W with USB Cable CE-19 Expansion Card (2019 Upgraded Version): Fixed-mount CB Radios - Amazon. It is an excellent radio with outstanding receiver. Xiegu G106 - New 5W QRP Transceiver! May 24, 2022. 5-30MHz 50-54MHz 5W with USB Cable CE-19 Expansion Card (2019 Upgraded Version) Brand: Xiegu 46 ratings | 23 answered questions $66900 See more About this item. Read more Review. The item “USDR QCX To SSB HF Transceiver QRP SDR Transceiver 8-Band 5W For Ham Radio Users” is in sale since Tuesday, August 24, 2021. Buy Qrp Radio China Direct From Qrp Radio Factories at Alibaba. Big on Performance The µBITX has a sparklingly clear receiver. The kit uses a high-quality double-sided PCB with silk-screen, solder-mask and through-hole plating. As a lover of ham radio and you operate qrp transceivers, there is nothing bad wanting a higher transceiver that operates and a much higher wattage. Continuous receiver 0. Radioddity QR20 SDR Radio | Full Band CW SSB RTTY AM FM DMR | 100kHz to 2GHz. 5-30MHz SDR. Xiegu X6100 HF Transceiver | Full Mode | SDR Radio undefined SKU: 715-XH-X6100 $599. Band Coverage: 20 meters Band Agility: Monoband Transmit Frequency Range: 14. Our new mini HF Mono Band QRP transceiver to any one amateur band from 1 to 30 MHz. They have been in. FOR SALE! ICOM IC-705 FACTORY REPACK OPEN BOX IN LIKE NEW CONDITION COMPLETEWE ARE 325244470158. 023Mhz 40 Meter+Case Assembled Brand: Abovehill 24 ratings $1576 Get Fast, Free Shipping with Amazon Prime FREE Returns About this item S-Pixie Kit is a small and exquisite shortwave radio station, working mode is CW. Radio Height: 3. Xiegu X6100 HF Transceiver | Full Mode | SDR Radio undefined SKU: 715-XH-X6100 $599. Hamtronics – VHF and UHF Kits, Repeaters, Receivers and Transmitters. Radioddity G90-H1 Holder & Cooling Fan 4. I guess there from China. Latest from Brand Xiegu X6100 HF Transceiver, 10W Full Mode SDR Radio Supports Bluetooth with 3. Some of the other features in this radio is show below. Both include true desktop-radio features, like auto-notch, noise reduction, built-in text decode/display, and RX/TX EQ. Extra 1% off with coins. 00 Add to cart SKU: 1916391436 Category: Mobile Radio Sold By: Two Way Radio Description Additional information Reviews (0). 4 Inch LCD Screen Portable Handheld Radio Receiver Built-in Battery+Antenna + Speaker + Case. Free shipping. QRPver-1 v. About Xiegu G90. Xiegu XPA125B Power Amplifier 2. 00 $ 439. The Lab599 Discovery TX-500 is the most energy-efficient QRP radio available today. HF/50MHz All-Mode Ultra-Portable SDR Transceiver Regular Price: $629. " First time getting on HF in many years. 2 (FT-8/JT65 / PSK / BPSK / FSQ / APRS) QRP Transceiver. 00 $ 489. Our new mini HF Mono Band QRP transceiver to any one amateur band from 1 to 30 MHz. But, not having had any HF experience, I didn't know what I was missing, nor the limitations of such a rig—not a good entry point. FlexRadio (SDR) Flex-1500 160M-6M SDR transceiver: eBay , QTH. CE-19 Expansion Port for easy PC connection 3. This Low Pass Filter (LPF) kit is based on the G-QRP technical pages design by Ed Whetherhold W3NQN. 95* *After Coupons & Promotions. It has 600:600-ohm audio isolation transformers at the output are used to reduce ground loops that often occur in SDR systems. 00 $ 259. Even better current consumption than the Elecraft KX2 and KX3. Ham Radio Gear for Sale; Ham Radio Gear Wanted; Ham Made Gear; General Merchandise; Ham to Ham References; Swapmeet Talk; Resources Site Menu. HAL Communications – Complete line of HF radio data for Amateur Radio communications. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. 4 sold 5. Get the best deal for QRP HF Ham & Amateur Radio Amplifiers from the largest online selection at eBay. FREE Delivery. With SDR architecture and built-in auto antenna tuner, G90 has excellent transmit and receive performance, which brings user a highly configurable and. com; KX3 (review) 160M-6M transceiver: eBay, QTH. With the vibrator vibrating apply power to the two lamps. This is a 100W amp, specifically designed for the KX3. Hechengdianzi HAM 1-30 Mhz Manual Antenna Tuner for HAM HF Radio QRP DIY Kits, Good Helper for Antenna Erection 15 $2699 FREE delivery Thu, Dec 1 Only 16 left in stock - order soon. Both are excellent choices. HAM page 2; QRP ! This page displays some of the very reasons I got into Ham Radio, in the first place!. The best seem to be treatises. 3 HF Mono band mini QRP transceiver ( SSB / CW / JT65 / PSK / BPSK / FSQ ) Our new mini HF Mono Band QRP transceiver to any one amateur band from 1 to 30 MHz. The G90 is an advanced portable 20W HF 10-160 Meter Multimode SDR Transceiver. KN-920 Multi-Mode HF QRP Radio Arrives in Australia. and 195480023470. View Product. Shortwave, AM, FM and Internet Radio. ANTENNA SE HF-X80 VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES. 00 SAVE $40. XIEGU G90 QRP HF Amateur Radio Transceiver 20W SSB CW AM FM 0. ANTENNA SE HF-X80 VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES. 99 3-Year Protection for $65. 2-Year Protection for $48. How To Obtain A Ham License. Radioddity PAX100 100W Amplifier 5. 99 Buy in monthly payments with Affirm on orders over $50. Regular price $319. A compatible product qualified as ham radio transceiver and also to. TEN-TEC Model 599AT EAGLE Transceiver, 100 WATTS, IF DSP with Tuner. The reaction of HF + H2O can result in H3FO, FO + H or F- + H3O+. It is a small, home-brewed amateur radio project. 00 Buy in monthly payments with Affirm on orders over $50. The Lab599 Discovery TX-500 covers 160−6 meters amateur radio bands, all modes, with a maximum power output of 10 W. Jul 23, 2020 · Abovehill S-Pixie CW QRP Transceiver Telegraph Shortwave Radio Radio 7. QRPver-1 v. A powerful baseband and RF unit with rich and diversified operating functions brings you a brand-new experience in Amateur Radio. 51 Select options; mcHF assembled - SOLD OUT Read more; Recent Posts. Properties for under C$500,000 Browse recreational property for sale on Vancouver Island for under C$500,000. 2 Pieces (MOQ). HF SDR with Bluetooth audio connection for wireless digital operation, 80/60/40/30/20/17/15/12/10m and 6m TX and RX. Xiegu X6100 Firmware Update v1. With SDR architecture and built-in auto antenna tuner, G90 has excellent transmit and receive performance, which brings user a highly configurable and. It covers 160 to 10 meter HF bands, as well as the 6 meter, 2 meter and 70 cm bands. Reluctant sale, has to go. Web Radio Recanto de Minas Gerais. ( SSB / CW / JT65 / PSK / BPSK / FSQ & Old Digi mode) The transceiver is built on th. Oct 10, 2021 · The “QDX” ( Q RP Labs D igital X cvr): a feature-packed, high performance, four-band (80, 40, 30, 20m) 5W Digi-modes transceiver kit, including embedded SDR receiver, 24-bit 48 ksps USB sound card, CAT control, synthesized VFO with TCXO reference. ICOM 7300 02 Shortwave Radio. Note that orders to addresses outside the US can take up to 4 to 8 weeks for delivery after shipment. The G90 has excellent transmit and receive performance. com offers a range of kits to build your own QRP transceiver. High Frequency and Very High Frequencies are radio waves. RBS = NO stock. RT @QuirkyQRP: Check out the ham gear for sale on Mercari! 40m band HF Ham Radio QRP transceiver CW decoder/ USB keyboard Morse code encoder: Get up to $30 off with code MBDBST. It is not an exaggeration to say that this is the best mobile HF radio on the. Buy with antenna, shortwave radio, power supply, repeater waterfall display. Comfortably produces 10W from 12V supply (CW, PEP and Digital modes). 95 Additional Savings -$30. 0 - $418. 45W HF Power Amplifier Short wave RF AMP For YASEU IC-705 FT-818ND ICOM IC705 Elecraft KX3 SUNSDR2 QRP. Three Morse message memories with beacon mode. 39 Amazon available at XIEGU G106C 5W HF Transceiver QRP SDR Transceiver SSB/CW/AM Three Modes WFM $367. AM, USB, LSB, and CW modes. [Paul] does a nice job of unboxing the rig and. Bindoon, WA. Buy with antenna, shortwave radio, power supply, repeater waterfall display. Further, this works for noise reduction, is crafted with premium materials and it has a built-in microphone. 10W Max USDX + USDR HF QRP SDR SSB / CW Transceiver 8 Bands 5W DSP SDR Ham Radio QCX - SSB Built-in $243. US $196. AU $334. Ham Radio Gear for Sale; Ham Radio Gear Wanted; Ham Made Gear; General Merchandise; Ham to Ham References; Swapmeet Talk; Resources Site Menu. The All New Xiegu X6100 is an Ultra-Portable HF Transceiver. 00 (40 reviews) Write a Review SKU: G90 Width: 12. Welcome to Pacific Antenna/QRP Kits. 1 to 20 Watts output in 1 Watt increments. SI4732 Radio Receiver FM AM MW & SW SSB All Band Radio Receiver,2. This item is in the category “Consumer. Get the best deals on HF Ham & Amateur Radio Amplifiers. Warranty Note —— We provide 1 year warranty from the sale of Xiegu G90. By all accounts, this is a great amp, and obviously, works well with the KX3. Click! Shop order $25 Read more: Receiver module Polyphase network module. Over 1000 SW-3B's have been sold to 43 countries worldwide. 1 offer from £175. $ 188. 5MHz, HF à ondes courtes, avec compteur de puissance/SWR + filtre LPF automatique,Étui de protection de. 023Mhz 40 Meter+Case Assembled Brand: Abovehill 24 ratings $1576 Get Fast, Free Shipping with Amazon Prime FREE Returns About this item S-Pixie Kit is a small and exquisite shortwave radio station, working mode is CW. Continues RX coverage 2-30 Mhz. Icom IC-7300 HF Transceiver (11) £890. The G106 is a 5W portable QRP transceiver with an SDR infrastructure using 16bit CODEC sampling to deliver a superior performance. See http://qrp-labs. 45W HF Power Amplifier Short wave RF AMP For YASEU IC-705 FT-818ND ICOM IC705 Elecraft KX3 SUNSDR2 QRP. This is the story of the PIC version RM Rockmite Qrp Cw transceiver. Output Power 10 W (13. FOR SALE! Great SDR receiver, great QRP rig! Radio checked out, 20 Watts out. 00 Selling For: $400. 00 (in) Depth: 5. Hendricks Qrp Kits: Weber Dual Bander Juma: TRX1, TRX2 Qrpproject: Hobo, Mosquita lll, Tramp 8 (IF derived), Speaky QRolle Ten-tec: 1300-series, R4020. Some are . jk Fiction Writing. 95 $3. 45W HF Power Amplifier Short wave RF AMP For YASEU IC-705 FT-818ND ICOM IC705 Elecraft KX3 SUNSDR2 QRP. Usb cable, no box. CE-19 Expansion Port for easy PC connection 3. V3 Frog Sounds HAM Radio QRP Kit Telegraph CW Transceiver Receiv. hananime tv

As the first model of the Xiegu G-series, G90 is a portable 20W HF amateur radio transceiver for advanced hams (radio license needed), suitable for outdoor activities and emergency rescue. . Qrp hf radios for sale

17/4/2022 · Find many great new & used options and get the best deals for (tr)uSDX Black <strong>HF QRP HF</strong> Ham <strong>Radio</strong> Kit (unassembled) at the best online prices at eBay! Free shipping for many products!. . Qrp hf radios for sale

or Best Offer. Notes: Supplied with a single band module, only. G90 20 Watt SDR HF Radio G90 20 Watt SDR HF Radio Xiegu Was: $499. THIS MANUAL VERY CAREFULLY BEFORE APPLYING POWER TO THE BOARD!. 37 to C $191. com offers a range of kits to build your own QRP transceiver. Read more. 99 SAVE $54. Xiegu GNR1 Digital Audio Noise Filter Package Content 1x G1M HF Transceiver 1x. € 187,22 / pièce € 197,08 / pièce Commandes (9) 5 Antenne Portable multi-bande HF pour Radio (MA-12),. HAM page 2; QRP ! This page displays some of the very reasons I got into Ham Radio, in the first place!. Of course, a 13. Is there any recommended radios that I can get that just send and . 21 sold 21 sold 21 sold. MCHF Building Tips. By all accounts, this is a great amp, and obviously, works well with the KX3. If you receive defective item, please kindly notify us within 14 days. Connect 6 VDC to Pins 4 and 1. Fast Delivery. 00 Free shipping HackRF One+Upgraded PortaPack H2 3. Watch this vide. RETEVIS Ailunce HS1 HF SDR Transceiver SSB Transceiver Ham Radio HF Transceiver QRP 15W 0. There are several pieces of QRP equipment for sale in Portsmouth, VA. Mar 19, 2021 · In either case (with the 2nd lamp now connected to pin 2 or 3 only), let the test run until the 2nd lamp again flickers. Hover to zoom. I have been running it at 25 W powering my Elecraft KPA-500 or at 5W QRP. 6" LCD Screen 4. 00 Choose Options New Products Yaesu FTDX-101D 100W HF/50MHz Transceiver *In Stock NOW* $2,949. and 195480023470. 5-30MHz SDR Transceiver US - $590. 14 Dec 2021. Comfortably produces 10W from 12V supply (CW, PEP and Digital modes). 5-30MHz SDR Structure with Built-in Auto Antenna Tuner GSOC $ 520. 99 (Save $600. 99 Buy in monthly payments with Affirm on orders over $50. the downside is that it costs $700. com, QRZ. The G90 has excellent transmit and receive performance. Learn more Quantity Add to Cart Current Stock Status United States Europe High-performance SDR infrastructure Compact and robust physical structure. - It has a sensitive super-het receiver that has an IF filter for great CW reception. 7GHz Software Defined Radio RTL-SDR Set $114. It's a portable 20W HF 10-160 mtr. mcHF - HF SDR QRP transceiver S53DZ Status Report Rev 16 Project mcHF - HF SDR QRP RTX by Chris M0NKA Modifications FW Chris M0NKA, Clint KA7OEI, Andreas DF8OE HW 9. 2 (62). Mar 19, 2021 · In either case (with the 2nd lamp now connected to pin 2 or 3 only), let the test run until the 2nd lamp again flickers. $215 Add to Cart SAVE 6% Xiegu VG4 4-Band Base Station Vertical Antenna | for HF Transceiver | 40m/20m. This is the same battery pack. Having a digital CW filter with three bandwidths helps. com, QRZ. 99 (Save $600. Usdx hf 8 band qrp hf transceiver 3 to 5 watts Very small includes mic power lead and stand Sold as seen £95 ono Contact via email only please Spec. 00 Choose Options MTC's Top Sellers Yaesu FTDX-101D 100W HF/50MHz Transceiver *In Stock NOW* $2,949. High Efficiency 4V supply QRP Amplifier November 13, 2020 November 15, 2020 raycharlesring RF This is an example of a high efficiency QRP transmitter designed to work at very low supply. 99 (EU VATs Exclude) Add to cart SKU: H10012 Category: Ham Radio Tags: ham radio, sdr radio Description. Best QRP HF Ham Radio Transceiver for 2022 – the radios on this list are my choices for the best HF QRP Radio of 2022 with SSB capabilities. See below for the long list of features!. Jun 06, 2019 · Buy Xiegu X5105 QRP HF Transceiver Amateur Ham Radio VOX SSB CW AM FM RTTY PSK 0. € 187,22 / pièce € 197,08 / pièce Commandes (9) 5 Antenne Portable multi-bande HF pour Radio (MA-12),. 744 x 1. Our store is closed while we are working on updating our site and inventory. Excellent Condition. It is an excellent radio with outstanding receiver. 8 V DC), 5 W (BP-272) Supports QRP/QRPp Operations. 95* *After Coupons & Promotions. 200W HF Power Amplifier/ FT-817 ICOM IC-703 Elecraft KX3 QRP Control Unassembled AU $219. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. 00 Add to cart SKU: 1916391436 Category: Mobile Radio Sold By: Two Way Radio Description Additional information Reviews (0). Discover the thrill of making contacts with a rig you built yourself. This is the same battery pack. MCHF Building Tips. 21 Mar 2022. QRP, Mobile, Contester or DX'er, there are products to help achieve your ham radio goals. or Best Offer. 2 NEW HF QRP RADIOS Garforth, West Yorkshire im selling 2 hf radios both new never been. Kits are available for 16 bands 2200, 600, 160, 80, 60, 40, 30, 20, 17, 15, 12, 10, 6, 4, 2m and 222MHz. As a lover of ham radio and you operate qrp transceivers, there is nothing bad wanting a higher transceiver that operates and a much higher wattage. 00 Now: $435. It packs huge performance into a small portable package. 99 Free postage 9 watching 8-Band Automatic Band Pass Filter 1. USDR/ USDX HF QRP SDR Transceiver SSB/CW Transceiver 8-Band 5W Ham Radio Black Shell With Handheld Mic. 00 Buy in monthly payments with Affirm on orders over $50. DSB Digital Transceiver III Multi-DC CW Transceiver Si5351A PLL VFO 160m-10m " order_by="sortorder" order_direction="ASC" returns="included" maximum_entity_count="500″]. Find a hf radio on Gumtree, the #1 site for. 7mm DC jack) and SO239/BNC adaptor. 5mm jack connector for keying PCB size 130mm x 59. HF Signals uBITX V6 80M-10M transceiver (no AM mode and we wouldn't generally recommend this radio for SWLing): eBay, QTH. RADIOHF - MFJ 9030, QRP 30 m CW Transceiver FS MFJ 9030, QRP 30 m CW Transceiver For Sale: - The MFJ-9030 is a 5 watt, 30 m CW transceiver that is very light and compact. 99, buy best 10w max usdx + usdr hf qrp sdr ssb/cw transceiver 8 bands 5w dsp sdr ham radio qcx-ssb built-in battery with hand microphone sale online store at wholesale price. second hand. The new X6100 utilizes a proven SDR software defined radio platform with impressive performance. 200W HF Power Amplifier/ FT-817 ICOM IC-703 Elecraft KX3 QRP Control Unassembled AU $219. 023 CRYSTAL $ 14. The FX-4L is essentially a more basic QRP version of the FX-4CR; it’s maximum output power is around 5 watts. is; qc. Usdx+ HF Shortwave Transceiver QRP SSB/CW Transceiver 3W-5W All Mode 8 Band 314147334745 USDX+ HF TRANSCEIVER HF Ham Radio QRP CW Transceiver 3W-5W All Mode 8 Band AU - $275. 00 to $144. Icom IC-7300 HF Transceiver (11) £890. Watch on YouTube. With its compact structure and tiny appearance, you can. X6100 Finally CE Certified December 16, 2021. 5-30MHz 50-54MHz 5W with USB Cable CE-19. . new porn movies download free, craigslist nh keene, tulsa craigslist farm and garden, ssrplus github, washington craigslist cars for sale by owner, gay porn cummings, mecojo a mi hermana, feluda pherot season 2 download, chatetbate, cl buffalo cars, cleopatra xxx, numberblocks rule 34 co8rr