Narrative:

I filed an IFR flight plan [from] F45. I [flew] into F45 [earlier] instead of pbi because of the tfr and was reminded of it (tfr) by flight service. I was much more concerned about the deteriorating weather conditions both at departure and at most of the route of flight to destination. I had studied my route; been checking online weather and briefed and filed with weather brief.I went to the airport 2 hours early. After preflight; I called clearance delivery; 120.825 and got no response. I tried departure at 128.3 and flight service on 122.4. I don't know if it was because of the weather but I could not get a response from any of them. Meanwhile I could hear all the commercial traffic and it seemed like everyone was asking for or announcing they had had to divert. Meanwhile I was watching my onboard weather (from two different sources) as the yellows and reds were building. I think I tried raising someone for at least 5 minutes. I thought the weather might be interfering with the radios on the ground; as I had never had a problem before. Many of the small airports I go to have no ground communications. Anyway; between not being able to hail anyone and being anxious about the weather it occurred to me to take off and get my clearance in the air. I had not cleared the runway when the tfr popped back into my head. Too late to land. I called 128.3 at 200 feet; half a mile and was immediately given my clearance and a squawk code. The number to call came 5 minutes later. I was able to navigate the fairly bad weather but it was nothing like the dread of having [messed] up with the tfr.

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Original NASA ASRS Text

Title: C340 pilot reported a TFR incursion resulted after being unable to raise ATC on frequency prior to takeoff.

Narrative: I filed an IFR flight plan [from] F45. I [flew] into F45 [earlier] instead of PBI because of the TFR and was reminded of it (TFR) by flight service. I was much more concerned about the deteriorating weather conditions both at departure and at most of the route of flight to destination. I had studied my route; been checking online weather and briefed and filed with weather brief.I went to the airport 2 hours early. After preflight; I called clearance delivery; 120.825 and got no response. I tried departure at 128.3 and flight service on 122.4. I don't know if it was because of the weather but I could not get a response from any of them. Meanwhile I could hear all the commercial traffic and it seemed like everyone was asking for or announcing they had had to divert. Meanwhile I was watching my onboard weather (from two different sources) as the yellows and reds were building. I think I tried raising someone for at least 5 minutes. I thought the weather might be interfering with the radios on the ground; as I had never had a problem before. Many of the small airports I go to have no ground communications. Anyway; between not being able to hail anyone and being anxious about the weather it occurred to me to take off and get my clearance in the air. I had not cleared the runway when the TFR popped back into my head. Too late to land. I called 128.3 at 200 feet; half a mile and was immediately given my clearance and a squawk code. The number to call came 5 minutes later. I was able to navigate the fairly bad weather but it was nothing like the dread of having [messed] up with the TFR.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.