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Guys, I did some experiments to convert ADT to 6m and the result was very positive. With a modified filter board, I got near 150mW output which is not bad. The filter is simple but effective. https://mp.weixin./s/bS65TdjsP33R6fMaaw7Hfw https://mp.weixin./s/yqoXqhO3zhEO1BuqUsSilA -- Thanks, Adam Rong

last wednesday of every month at 01:00 utc or 9 pm est. we use netlogger.org (in order to text/chat) we are here to help to assure you that your pixie works, etc. there are 20m and 40m pixies so come and join us March 27. and to exercise your qrp cw any questions ka1uln@...

Hello everyone! Just finished my first Pixie built. I checked the output with my tinySA ultra. The Pixie produces an output power of 22dBm (about 15mW) and is stable at a frequency of 7.03MHz with my chosen crystal. I used a 9V block battery fully charged while measuring. I think this is a little bit too low. In Adam Rongs built video on YT he got an output of 29dBm (so about 800mW). Any suggestions? Thanks for your replies 73 de OE8ZZZ - Patrick

Guys, Read this: https://openardf.org/ardf-open-equipment-project/r3500d-80m-ardf-receiver/ If you want the factory built kit, please let me know. Thanks, Adam

Guys, So if you make payment in Euros, I can directly accept in my PayPal now. Now you can calculate the price in Euro = 0.88 times the price in USD. http://crkits.com Thanks, Adam

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