Resilient CW in Marginal Conditions

Submitted by Lou VK5EEE of Communicators Without Borders Resilient Communications: Morse Adaptation in Poor Propagation Conditions Cw at 12WPM can be copied down to -12dB SNR @ 2500 Hz and lower SNR with repeats and slower throughput, e.g. down to -26dB QRSS. Ref: http://www.pa3fwm.nl/technotes/tn09b.html An important skill in resilient communications is the ability to adapt […]

RRI Operators in the News

H/T to retired Navy Chief Alex Rey KB3SBR for bring this to our attention. The Penobscot Bay Pilot newspaper called out three of our top operators yesterday. Steve Hansen KB1TCE , Jeff Miller WB8WKQ and Jim Wades WB8SIW featured in the story of amateur radio’s response to Hurricans Irma and Maria. Miller and Wades serve on […]

BULLETIN – UPDATE – Hurricane Irma Update 11-Sept-2017

11 September 2017 (111159Z SEP 2017) BULLETIN FOR IMMEDIATE RELEASE Please distribute to all EMCOMM organizations Radio Relay International – Update 3 regarding Hurricane Irma Please see earlier initial guidance bulletin and updates for full background. They are available at: www.radio-relay.org and www.facebook.com/radiorelayinternational IATN Watch Frequencies: RRI IATN operators are encouraged to continue monitoring 7115 […]

BULLETIN – UPDATE – Hurricane Irma Update 10-Sept-2017

BULLETIN – Hurricane Irma Update 9-10 10 September 2017 (101127Z SEP 2017) BULLETIN FOR IMMEDIATE RELEASE Please distribute to all EMCOMM organizations Radio Relay International – Update regarding Hurricane Irma Please see earlier initial guidance bulletin and update for full background. It is available at: www.radio-relay.org and www.facebook.com/radiorelayinternational IATN Watch Frequencies: Radio operators and all […]

BULLETIN – SUPPLEMENTAL TO INITIAL GUIDANCE DOCUMENT – TROPICAL STORM NET 9-8-2017

BULLETIN – Hurricane Irma TSN Reminder 2017-9-8 8 September 2017 (081454Z SEP 2017) BULLETIN FOR IMMEDIATE RELEASE Please distribute to all EMCOMM organizations Radio Relay International Tropical Storm Net and Update – Supplement to Initial Guidance Bulletin 071755Z Sep 2017 – Please see initial guidance bulletin referenced above for full background. It is available at: […]

BULLETIN – HURRICANE IRMA OPERATIONAL GUIDANCE

BULLETIN – Hurricane Irma 2017-9-7 Initial BULLETIN – Hurricane Irma 2017-9-7 Initial 7 September 2017 (071755Z SEP 2017) BULLETIN FOR IMMEDIATE RELEASE HURRICANE IRMA EMERGENCY COMMUNICATIONS GUIDANCE Notice to Radio Relay International Volunteers: In anticipation of a significant hurricane impacting the Southeastern United States and surrounding areas, we are taking the following steps: 1. A […]