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Hi, I tested my ADT. Using the Notebook it works. Yesterday I had 2 QSOs with stations in EA and Italy on 20m using FT8. Trying to use the smartphone it fails. But using the ADX-S it works. Do you have any idea of a solution ? ADT Transmitting Problem using the Smartphone 72 de Matt, DL1SER

https://youtu.be/RQ9sNtNOOTg?si=FDq5NoCLiCs9FpmI Listen and enjoy. 72 de Matt, DL1SER

The CR-1, 2, 3 kits are available. I will find some time to put on web. Thanks, Adam

Guys, The new kit ADT is just added to the web store: http://crkits.com The formal price is 45 USD each plus 5 USD tracked air shipping. Thanks, Adam

The following items have been added to the Files area of the [email protected] group. /ADX-S/V2/ADX-S V2 Bauanleitung V1.2GE 20240309.pdf By: Adam Rong <rongxh@...> Description: Kit assembly manual V1.2 German by OE7AAI, Manfred.

The following items have been added to the Files area of the [email protected] group. /ADT/ADT Kit Assembly Manual 20250309.pdf By: Adam Rong <rongxh@...> Description: Kit Assembly Manual in English, initial release

Hi. I've got the classic ADX-S and a newer ADX-S V2. Today I managed to have a DX Contact to Australia with my device. 17m 2Watts and a lw Antenna. https://www.facebook.com/share/r/1A2hLY2Usg/ 72 de Matt

Hi How can you tell what frequency range the CPK-3 is on? 73

Gang, Today, Doug’s doctor gave him a full bill of health and he is able to resume normal activities. He is taking orders and shipping on all products for QRPGuys. 73

Guys, I plan to offer an assortment kit at 20 USD including tracked shipping. If you order along with ADX-S kit, the price is 14 USD. 30m LPF band filter (680pF is used in place of 660pF) 17m LPF band filter Modification kit (2x 1N4007, 1x 10uF cap, 1x 3mm red LED and 4x original BS170 as spare) HEX file for the above to support 40, 30, 20, 17m and the modifications, so you can easily download using XLoader Please let me know if you are interested. The earliest shipping date is August 14. Please wait for my green light to start payment. Thanks, Adam

The following items have been added to the Files area of the [email protected] group. /ADT/ADT_V1.0.ino By: Adam Rong <rongxh@...> Description: Source code V1.0 for ADT - Arduino Digital Transmitter by BD6CR

USA customers, Please check out this service alert. Before it gets stablized, I would ask if you can hold your order. For the orders I have received, I will figure out a way to fulfill. International inbound mail and packages from China and Hong Kong Posts - Newsroom - About.usps.com Thanks, Adam

Guys, I have done the English manual at: /g/crkits/files/CR123/CR123%20Kit%20Assembly%20Manual.pdf The new year holiday will end today, and we are ready to take more orders. 45 USD including air shipping: a set of CR-1, CR-2 and CR-3 88 USD including air shipping: 2 sets of CR-1, CR-2 and CR-3 18 USD including air shipping: any one of CR-1, CR-2 or CR-3 PayPal direct to rongxh@... and leave your ship to address and telephone number please. Thanks, Adam 在 2024/12/29 16:49, Adam Rong via groups.io 写道:

The following items have been added to the Files area of the [email protected] group. /CR123/CR123 Kit Assembly Manual.pdf By: Adam Rong <rongxh@...> Description: English manual dated Feb 1, 2025.

Hello, I have modified my adx-s to install the bt401 module, but I have the problem that it is not bidirectional, when changing the ft8cn software to TX the bt401 module does not send the audio to the adx. Should I configure something else in the bt401? Thanks

Hi all, With the new year, I am thinning the radio collection. I have a CRK-10A 7030 KHz assembled for sale on Ebay (https://www.ebay.com/itm/267111671746?itmmeta=01JGKX658CW6V93WQEM3AS9YGH&hash=item3e3118a7c2:g:nxYAAOSw6VdndDvf) It's the version for 7030 KHz and puts out about 2.25 watts with a 13.8VDC supply. There are a bunch of pictures on Ebay. The transceiver is in excellent condition. I am asking $60 plus $10 shipping. Thanks, Andrew N4WT

Guys, Merry Christmas! Now you can see the photos of the whole set of three (forget about the new camera battery and charger): https://mp.weixin./s/5zesl24Ep2nl-IKftKl8yg The kits are co-designed with a teacher in Beijing for youngsters in China for regional and national contests. We are glad to offer kits to our group members as well. CR-1: Audio Morse code trainer with volume and tone controls (the on-board speaker is not a part of the kit) CR-2: FM transmitter of 87.5-88.7 MHz, five frequencies, and it can sit on top of the CR-1 to support voice or morse code transmission. Without the external antenna, it can transmit to the next room CR-3: FM receiver in two modes, one for general coverage of 87-108 MHz, and the other is for 87-89MHz to work with CR-2 (a wire antenna is supplied, but the on-board speaker is not a part of the kit) The PCB size is 60 x 90 mm. The early bird price is 45 USD for all 3 kits including air shipping. I can ship in 2 weeks before Chinese New Year. The next batch will be after the new year holiday. Please PayPal directly to rongxh@... and leave your ship to address and telephone number. If you wish to buy 2 kits, the price is 88 USD. Thanks, Adam